at home science experiments for toddlers

50+ Science Experiments for 1-2 Year Olds (Toddlers)

Can you imagine! Teaching little babies’ science has become easy now.

Yes, with the help of science experiments.

I created this page to list down all Science Experiments for Toddlers (in the age group of 1-2).

I know that toddlers crave for attention and their mind is curious to explore everything they come across. Be assured, these are golden period for any kid as 80% of brain development happens below 3 years of growth. This is the right age to introduce science.

Yes, I am not joking and I have done it with my two daughters. We have collected several experiments suitable for kids of age 1 and 2. Here in this article, you will find a brief intro for the experiment and the link where you can find the detailed steps to do the activity.

Spend quality time with kids from their young age, as tender age is the right age for them to grasp things quickly.

We have crafted our toddler section having this in mind. Our activities help develop their motor skills and kindle curiosity about science. We strongly believe some of these activities will be well suited to try at your home with your little buds.

Science Activities for Toddlers (1-2 Year Olds)

Standing Hair : Static Electricity Experiment With Kids

Sensory Play with Jelly (Find out Solid or Liquid)

Questacon (Australia’s National Science and Technology Centre) – Place to Visit With Kids

Glow in the Dark Ice Cubes – Sensory, Edible Science Activity

STEM Toys for Girls : 2019 Topmost Toys for Curious Girls

Engineering Toys for Girls : 2019 Ultimate List for Little Geniuses

Wildlife Habitat Port Douglas : Nature Learning for Kids

Safety Glasses – Advantages & Using Guide

Swirling Milk Experiment (Magic Milk Activity)

Upcycled Catapult – STEM go green DIY Challenge

Static Electricity Balloon and Salt and Pepper Experiment

How To Make Balance Scales for Toddlers and Preschoolers

Delightfully Fizzy Sherbet

Looking for Even More Science Activities for Toddlers?

Here is a collection of toddler-friendly ideas that we have collected from across the web:

• Sink or Float – Let us start with a very simple experiment presented by Happy hooligans. Kids can now understand the physics concept of sinking and floating. They will guess by putting different items in water to know if they will sink or float.
• Magnetism – Next comes another fun and easy physics experiment. Busy toddlers site explains this experiment in detail. All you need is a bin with dust and a magnet. Yes, hold the magnet and see which all the magnetic things are.
• Fine motor skills – This experiment will help your toddler work with fine motor skills. Mama Papa Bubba site has explained it in detail. The summary is you need to cut some self-adhesive tapes of different size and stick them on a plate or any surface. Ask kids to remove them. This will improve their fine motor skills. You can also teach them about colors by using different colored tapes.
• Build up a tower – Kids spot has nicely demonstrated the tower building experiment. This can be done with the empty toilet roll at home. You can ask them to build a tower using them. Also, teach them counting with this activity. This will improve their focus as they look at making the tower stand erect.
• Smell and Identify – Mamas happy hive has posted the right way to help kids learn about the smell. They have used a few food items to let kids smell and identify. However, be careful when doing this as the smell should not suffocate small kids. Choose wisely the items and have fun.
• The Penguin Ice Play – A simple exercise to introduce states of matter and how temperature affects it. This play activity provides an opportunity to explore ice and how it melts; thus – helps the kids to learn more about Antarctic and Arctic animals and habitats. Source: Messy Little Monster .
• Dinosaur Ice Melt Experiments – Learn about how to melt ice faster .  This could be a follow up experiment or an add on to the previous activity. Best for preschoolers and toddlers. Source: Living Montessori Now.
• Shadow Box – Kids can now learn to color and know about this shadow box from teaching preschool.
• Lunch menu and alphabet – Choose one alphabet and make a lunch using ingredients starting with that alphabet. This will help kids know letters. You can start with the letter in which their name starts. Easy way to teach them letters and food recipes. Source: PBS
• Paint with yogurt – Teach color to kids and a safe way to paint. Yes, no chemicals and with yogurt different flavors your kids can become an artist today. No time for flashcards has demonstrated this well and check them out for details.
• Bubble Experiment – This may be a huge concept for toddlers, but they will love bubbles and you can try this as given in science kids. Note: this can only be seen by kids but do not allow them to touch as the dry ice will affect their skin.
• Color Game – The game posted on the education website will make kids identify colors. Simply collect the things posted in the instruction and get ready to make kids know the rainbow color at the age of 2.
• How to create a Water Bottle Fountain ? The experiment teaches preschoolers about how air takes up room even though it is not visible to our eyes.  Source: Learn With Play at Home.
• Hands-on Sink or Float Science Activity – Buggy and Buddy’s one of the fun filled activity for below two year olds. If you are looking for an easy to do experiment that shows immediate result, this one would be best fit. Encourage your kid to make predictions so you can play along to see if your kid is correct.
• Octopus Craft – My bored toddler has presented this creative craft just with empty toilet rolls. You can take help for kids for painting and yes they will mess but will look great to spend such a great time with them.
• Water paint – When you think that kids are too small to deal with toxic colors, then there is an idea posted in my mundane and miraculous life. Here, simply using a paint brush, water, and chalkboard you can make kids paint. Safe but makes little ones creative.
• Ball Drop for toddlers – The motor skills of kids can be enhanced with this activity. Do you know, toddlers love to throw things? But do not worry, as this activity will pave the way to do that without any difficulty. They need a huge tub and ping pong balls. Preferably a watering can help which has a small opening. Source: kitchenfloorcrafts
• Velcro and Pompom – This activity will teach a kid about colors and also help them develop their motor skills by sticking and removing the pompom on the Velcro. Source: teach-me-mommy
• Buggy and Bundy fun paperclip experiment – Kids can have fun with this activity and they can count the clips. Make sure you are around and supervise them so that they don’t put any clip in the mouth.
• Floating egg experiment – Let your kids explore why eggs are floating in water. Teach them about density of things (water and egg) and how it affects floating. Source: There’s Just One Mommy.
• Oobleck 2 ingredient sensory play – Fun little play game for small kids that teaches sensory (touch) for your little ones. This is another activity that explain properties of liquid and solid. Try this cool activity from Messy Little Monster . Optional – add some penguins to make the role-play interesting.
• DIY Frog Pond – Learn how to make a frog pond with this Kiwico step by step instruction. Teach a bit of biology
• Can balloons lift bag? – The mess of less educates you and your little ones that balloon can lift bag. Count the number and blow them
• Ice grows – Ice grow and yes it is possible with this teach preschool frozen ice experiment.
• Flower Science – Teach some botany with these flower science activities. Happily ever mom makes you a happy mom.
• Rainbow and Color – Kids can know the color and activate their sensory brain by following this fun day activity.
• Oral Motor Experiment with Straw – Give exercise to tongue, cheeks and lips and improve oral motor skills of little kids with just house hold items. The experiment is all about lifting light and heavy objects using straw in fun filling way. Source: Mom Explores the Smokies .
• Make Your Own Straw Rockets –  A fun and easy kid’s activity that teaches kids to make their own block straw rockets.  Little help from adult is needed to stick the straws together.
• Chewing Gum for toddlers? I agree that kids cannot chew gum but they can do this experiment with gums and be around don’t leave them unattended. Get details from meet penny.
• Milk science – Laughing science kids know the kid’s mentality and attracted them with this milk science experiment.
• Colors and melting ice – Artful parent teaches you to be artful too. Try this melting ice experiment.
• Friction Lesson with carrots – Carrots are orange presents you with an easy experiment that will even allow a toddler to know about friction.
• Toothpaste for elephants – Fun home with kids is really fun allowing babies to make toothpaste for elephants.
• Sensory Activity using Magnetic Discovery Bottles – Preschool Inspirations came out with a detailed post on using discovery bottles and its wide variety of uses for kids. The post also can help teach your kids about magnetism and its principles. (We prefer using big sized magnets).
• Explore what melts in the sun ? Perfect experiment for a lazy day on summer. Try out with different products and see. Source: Frugal Fun for Boys and Girls.
• Colored Ants – Life with Moore babies makes ants colorful.
• Sensory activities for babies – 5 simple experiments for toddlers all about sensory activities.
• Leaf rubbing science – Sixth bloom explains in detail about the leaf rubbing science. STEAM experiment.
• Seed science – Pinky Stripey Socks explains very clearly about this STEM activity and its all about seeds.
• Experiment with Straw – Learn about oral motor science from the Mom Explores the Smokies.
• Explore what melts in the sun – Sun produces heat and do you know there are certain things that melt at that temperature. Show them to kids following Frugal Fun for Boys and Girls steps.
• Eggs float too Messy Little Moms do not make any mess but teach toddlers about the egg and its properties.
• Ice melts faster than you think – Living Montessori Now explains about the properties of ice and when they melt faster.
• Magnetism with bottles – Bottles can help you understand magnetism. Preschool inspirations teach you the tactics.
• Fizzy lemonade – Lemonade foaming experiment makes kids enjoy with the fizzing sound. Source: Learn with Play at Home
• Straw Rockets – Housing A Forest launches a rocket with straw.
• Sensory activity for kids –Messy Little Monster makes penguins dance and you can teach a kid about the sensory activity.
• Water Bottle Fountain – We had seen magnetism with a water bottle and its time to make a fountain with a water bottle. Source: Learn With Play at Home.
• Ice cream recipe – Making ice cream in a plastic bag is simple and easy with Science bob experiment.
• Water Science – Water walks and that’s a wow experiment for kids presented by coffee cups and crayons.
• Crystallization made simple with kids – Follow Wiki to grow rock candy just in a glass at home.
• Microwave Ivory soap – Source: Stevespanglerscience. Cook soap in the microwave to see what happens.
• Bean in a cup – Now bean can be grown at home to show the roots to kids and this great activity is explained in Science Sparks.
• Freezing bubbles – Bubbles freeze kids can touch and feel. Best winter experiment. Source: Mommy Poppins
• Ink made invisible – Just use lemon and make ink that goes invisible. Science Kids experiment.
• Balls, shapes, and bounce – Make your own ball in any shape and see them how they bounce. Source: Come together, kids.
• The parachute that flies high – With a plastic bag it is now possible to make a parachute.
• Coin and Surface tension – Put water droplets on coins to explain surface tension to kids. Do it in the science kiddo way.
• Make your own fizzy lemonade – Another fun filled science activity for a hot summer day. Cool yourself with your own lemonade. This is Taste-safe activity that your kids will enjoy making and drinking. Source: Learn with Play at Home.

I am glad to give you so many science experiments that you can teach toddlers. Don’t think these are a high standard for kids. You will be amazed to see their grasping power at this young age. Try and share your experience.

Well, if you are in activity spree and looking for more science ideas for toddlers?

Most of the activities we try are taste-safe (non toxic and no hazards). If you have a grown up kid – try our Science for 3-4 Year Olds page for ideas on experiments that doesn’t have any mouthing things. We keep our experiments open-ended; that means you can create variations of these activities to suit your kid’s age or personal favorite.

Though we encourage kids to try these activities independently, we request you to have a constant supervision i.e. be with the kid when they try these activities. Only parents will know what activity will suit their kids (based on age group or interest). Check for more information here .

100 Easy Science Experiments for Kids to do at Home (2024)

Welcome, young scientists!

If you’ve arrived here today, you’re probably looking for easy science experiments for kids that you can do at home. 

The only problem? So many experiments require obscure ingredients that are hard to find or require planning.

Good news! There are literally hundreds of simple science experiments & STEM activities you can do at home, with materials you already have on hand.

We scoured the internet and practiced these experiments with our own young kids to test them out and make sure they were good ones. They’re super educational and so much fun for kids of all ages!

Each of these easy STEM challenges and science experiments will take about 30 minutes to complete from start to finish, and they’re a great way to teach simple science concepts that your kids will use in school.

The best part? They each use simple ingredients from around the house like food coloring, dish soap, paper towels, ice cubes, rubber bands, white vinegar, vegetable oil, and baking soda.

So, let’s dive in to our giant list of 100 fun science experiments for kids!

1. Traveling Rainbows

This colorful experiment is an easy way of demonstrating capillary action, water travel, and color mixing. Kids of all ages will love watching the color move through the paper towel on its own, and they’ll have a better idea of how plants get their nutrients.

What You need:

• 6 glasses or jars
• Paper towels
• Food coloring (red, yellow, & blue)

2. Homemade Lava Lamp

This simple lava lamp experiment is especially a hit with kids ages 4-12 (and beyond!), and it will take their favorite adults back a few decades, too! It’s a fun way to learn about density.

What You Need:

• A clean plastic bottle or glass jar
• Vegetable Oil
• Baking Soda
• Food Coloring

3. Jumping Pepper!

Have you ever seen pepper jump ? You’re about to! This simple experience using water, soap, and black pepper will get kids of all ages exploring the concept of surface tension.

• black pepper
• a plate or bowl
• liquid soap

4. Invisible Ink

In this fun experiment, your kids can write a secret message with invisible ink that they will learn how to reveal scientifically. Like all of these at-home science experiments, you need only basic materials, and it’s sure to be a big hit.

• Cotton swab
• lamp or light bulb
• plain white paper
• bowl or cup
• lemon juice

5. Mini Volcanos

This super easy baking soda and vinegar volcano eruption is a real crowd-pleaser for kids of all ages, and your kids will be begging to do it over and over again!

All you need is a few very basic household ingredients, and your colorful volcano will be erupting in no time. It only takes about three minutes to prep.

Ingredients

• Plastic cup
• 3-4 Tbs of baking soda at least
• 1 tsp of dish soap
• Food coloring (or washable paint if you want to avoid staining)
• 1 cup (8 oz) of Vinegar

6. Elephant Toothpaste

H ave you heard of the elephant toothpaste experiment yet? It’s a blast! You will need an adult for this experiment. Kids of all ages will love learning about catalysts and exothermic reactions in this simple fun science activity.

• 16-oz plastic soda bottle
• 1/2 cup 20-volume of 6% solution hydrogen peroxide liquid
• 1 Tablespoon dry yeast
• 3 Tablespoons of warm water
• Liquid dish soap

Food coloring

• Safety goggles

7. Dry Erase Marker Magic

Bring your drawings to life with nothing more than a glass plate, a dry erase marker, and a little water! Dive into this magical and straightforward dry erase marker experiment that will not only wow the kids but also ignite their curiosity about chemistry and physics. 

8. Light Refraction Magic

This super simple science experiment is really more of a magic trick, and it will teach your kids all about light refraction.

• Piece of Paper

9. Skittle Heart Experiment

This visually stunning experiment is not only a treat to watch but also a great way to explore concepts of water solubility and color mixing. Let’s dive into the simple Skittle Heart Experiment that will capture your kids’ hearts.

10. Dancing Raisins

Home science experiments don’t have to be complicated. In this very easy science experiment that’s perfect for young kids, you’ll need a few simple ingredients that you probably already have in your household: clear soda, a glass of water, and a handful of raisins. With these simple ingredients, you’ll produce chemical reactions that your kids can watch in real time!

What You’ll Need:

• A clear glass of water
• Handful of raisins

11. Rainbow Celery

Got some celery in the fridge? Then you can begin to l earn about capillary action with a simple and colorful color-changing celery experiment . It’s a really cool project that your kids are sure to remember for years to come!

What you need:

• Glasses of water

12. Homemade Slime

What kid doesn’t love slime? This is one of our favorite science experiments because it’s a sure kid-pleaser! In this basic recipe , you can make some of your own right in your kitchen, and have fun squeezing it with your bare hands all day long.

Slime has quickly become one of those classic science experiments that every family should try at least once!

• White school glue
• food coloring

13 . Shiny Pennies

You definitely have some dirty pennies lying around your house, so let’s put them to good use in a classic science experiment that even young kids can enjoy. Pennies are copper, and they are often in circulation for years (yuck!), so they often appear very tarnished. In this experience, you’re going to see if soap or vinegar (or other liquids) do a better job at cleaning the exterior of the dirty copper penny.

What You’ll Need

• dirty pennies
• 2 paper cups
• Paper towel
• Different liquids from around the house (ketchup, soda, Diet Coke, etc.)

14. Orange Fizz

Discover orange fizz bubbles popping inside of your mouth! This sensory experiment is really fun for learning about acids and bases. And hardly any materials are needed.

• Orange or clementine
• 1/2 teaspoon baking soda

15. Exploding Soap

The Exploding Soap experiment is a surefire hit with all ages, and all you need is soap and microwave! (And a little help from your parents.)

16. Sink or Float?

Kids of all ages – but especially young children – will love this easy science experiment that builds a foundation to understanding density. This is one of our favorite science activities for the little ones!

• Two glasses of water
• Small items from around the house
• A piece of paper and a pen

17. Mixing Impossible

This super easy experiment involves mixing equal parts oil and water and adding a drop of food coloring to see what happens. Kids will love watching the food coloring make it through the oil. You will love how easy it is to set up and clean up!

• Several drinking glasses
• vegetable oil
• liquid food coloring
• a toothpick (if you have it)

18. Exploring Colors With Baking Soda / Vinegar

I n this science activity for kids of all ages, your little scientists will create a chemical reaction, explore color mixing, AND create colorful artwork. Triple win!

• Tray (A baking sheet will do)
• Baking soda
• White vinegar
• Ice Cube Trays or other containers to hold the colored vinegar
• Pipettes or eye droppers
• Liquid watercolors or food coloring

19. Water Cycle In A Bag

This is one of the best science experiments to teach your kids about the water cycle, and it’s so easy to do! They’ll watch the water cycle in a bag play out right before their eyes.

• Zip lock bag
• permanent marker
• blue food coloring

20. Tie-Dye

Who would have thought that everyone’s favorite t-shirt pattern is actually a great science lesson, too? As your child dyes the shirt, they’ll be observing water solubility and absorption in real time. The dyes are fiber-reactive, which means that a chemical reaction takes places between the dye molecules and fabric molecules so that they actually become one. The dye bonds with the fabric and actually becomes a part of it.  

• White T-shirt or pillowcase
• Buckets or bins filled with water
• Rubberbands
• Plastic gloves

Here are 10 Easy Tie-Dye Patterns For Kids . To learn how to wash and care for your tie-dye shirt, click here . 

21. Static Electricity Hair

Want to provide your kids with (literally) hair-raising good time? It’s super simple to teach your kids about static electricity with this easy, no-mess science activity.

• an inflated balloon
• a piece of cloth

Rub the surface of the balloon with the cloth for at least40 seconds. Then, hold the balloon a short distance above your head and watch your hair stick to it!

What’s Happening:

T he balloon gains electrons from the cloth and becomes negatively-charged when you rub it together. Then, when the balloon touches you hair, it attracts your hair, which is positively charged.

22. What’s That Mystery Object?

The process of using your sense of touch is very important to the scientific method. In this experiment, you’ll use your sense of touch to see how many different textures you can recognize.

• A grown-up or friend to help
• A blindfold
• A “feely” bag that you can’t see through

Small objects from around the house that have different textures, such as: a plastic bag, a water bottle, a banana, a piece of paper, a cell phone, a rubber ball, a cotton ball, a tooth brush, a washcloth, etc. Try to find objects of different materials like velvet, wool, cotton, leather, metal objects, wooden spoons or toys, pieces of aluminum foil, and other interesting objects and textures.

First, put on your blindfold. The next step is to have a grown up or friend put a mystery object in the bag for you to fell. Can you guess what each object is?

23. Sugar Water Rainbows

This science experiment is especially meant for older kids, but it can me modified for kids of all ages. Your kids will love this colorful experience about density and buoyancy, and all you need are some common household ingredients.

• food colorings (preferably in rainbow colors including red, orange, yellow, green, blue, purple)
• a clear straw
• salt or sugar

First, fill each of the cups with the same amount of water.

Next, add the food coloring, one color in each cup, preferably in rainbow order.

Line the cups up next to each other.

In the first cup, do not add any sugar at all.

In the second cup, add one tablespoon of sugar.

In the third cup, add two tablespoon of sugar.

In the fourth cup, add three tablepoons of sugar, and so on.

Stir each mixture until all the sugar is dissolved in each glass.

The next step is to make a sugar rainbow by placing the end of the straw in the first cup (the cup with no sugar), only about a half of an inch.

Cover the top of the straw with your thumb before lifting it out of the water so that the water does not fall out of the straw.

Now dip the straw into the second cup (1 tablespoon sugar). This time, insert it deeper so that the end is one inch below the water level. In one quick move, release the thumb and recap again. Now you should have two layers of color.

Keep dipping the straw into each solution from the one with the least sugar to the one with five tablespoons of sugar. Each time, the straw is inserted half an inch deeper.

What’s happening?

Density is the amount of substance (mass) within the volume occupied by the object. If two cups have the same amount of water (i.e. same volume), the one with more sugar is denser than the one with less sugar.

Buoyancy is determined by relative density. The solution with less density floats above the solution with higher density. That is why the color don’t mix.

Sugary water has higher density than plain water. The solution with more sugar has higher density than the one with less sugar. If you have inserted the straw in the solutions from the least sugar to the most sugar, then the color don’t mix and you have a sugar water rainbow.

24. Painted Nature

In this activity, kids will be closely observing natural phenomena, looking for signs of life and growth, and using their senses to experience natural materials. These skills are extremely important scientific foundations.

First, have your child search for natural objects in nature. Fill a bag with interesting sticks, leaves, rocks, twigs, pebbles, and anything else you can find.

Next, bring them into the “classroom” or home to closely observe and paint them.

As you paint, you can discuss the natural colors and features of these objects: What is their texture? What do they notice about each object?

My kids love “melty crayons”. They can’t get enough of them. Gather several rocks and heat them up in the oven. Then, carefully draw on them with crayons. The heat of the rock will melt the crayon wax and the it will go on like paint.

25. Magnet Dump

This activity is a great introductory magnet activity, and for younger kids, they’ll be practicing skills of classifying and sorting.

First, dump out a selection of metal objects onto the table.

Next, ask your kids to help you “clean up” by using the magnets to pick up different objects and sort them into containers.

Discuss which objects are attracted to a magnet and which are not. What patterns do they notice? What other objects would they like to try?

26. Magnet Magic

• Clear plastic box (look in your recycling bin)
• Pipe cleaners

This super-easy experiment is a really fun way to teach your child about magnets in a colorful, magical way, and it only requires simple materials from around the house. 

First, cut up several pipe cleaners and place them in a clear plastic box. The box does not need to be fancy, just see-through.

For your first time through this demonstration, have your child take a magnet and touch it against the surface of the plastic box. They’ll find that the pipe cleaners are lifted up and move with the magnet!

What’s Happening?

Magnets attract certain types of metal. The pipe cleaners have a thin strip of metal, so the magnet is able to attract those pieces and pull it around the box.

Extension:  Next time, think of what other objects could you place in the box? What objects do you predict the magnet could move around?

27. LEGO Boats

This experiements present a great opportunity to get kids thinking about engineering and design.

First, challenge your kids to build their own boat out of LEGO bricks. For an added challenge, only give them a certain number of pieces.

Once everyone has finished building, put the boats to the test in a tub of water.

Add pennies a few at a time to see how many each boat can hold.

Talk to your kids about how weight and design matter. Reflect on good designs and help them understand why they worked well.

28. DIY Parachute

You can learn about gravity by making a DIY parachute for a light-weight toy. The parachute is easily made from materials around your house, and you can experiment with different strategies and objects.

• Plastic Bag (i.e. grocery bag)
• Yard/String

First, use the scissors to remove the handles from the plastic bag. Next, poke four holes around the plastic bag so that they are the same distance apart and on opposite sides of the bags.

Then, cut four holes into the rim of the paper cut.

You’ll also need to cut four pieces of yarn, 10-12 inches long. Thread one piece of yarn through the hole in the plastic cup and tie the yarn to the cup with a knot. Repeat with all four strands of yarn in the remaining holes.

Next, thread the other end of the pieces of yarn through the hole in the plastic bag and tie a knot. 

Finally, personalize and decorate your cup with stickers, paint, crayons or markers.

Now it’s time to find a toy that is going to take a ride in your parachute. Launch your parachute into the air and see what happens!

Experiment with putting different objects into the paper cup and see how it affects the parachute’s effectiveness. Does the parachute flight time increase or decrease?

You can also try creating the parachute with different materials to replace the paper bag, such as a paper towel or napkin, and see how that affects the performance.

29. Magic Milk Experiment

• Full Fat Milk
• Dawn Dish Soap
• Cotton Swabs

First, pour the milk in a small baking dish until the bottom is covered. Next, fill the milk with drops of food coloring. Glitter is optional!

Then, pour some dishwashing soap into a bowl, and dip your cotton swap tip into the dish soap to coat it. Then, gently touch your cotton swab to the milk and watch what happens!

Milk is composed of minerals, proteins, and fats, which are easy to change. When you add the dish soap to the milk, the soap molecules try to attach to the fat molecules in the milk.

When everything stops moving, you can see where all the fat molecules are.

30. Steel Wool & Vinegar Reaction

This experiment will make abstract concepts like “chemical reaction” and “rusting” become more clear and concrete.

• two beakers
• something to cover the beaker (paper or a lid)
• Thermometer

First, place the steel wool in a beaker. Then, pour vinegar onto the steel wool and let it soak for about a minute.

After a minute or so, take the steel wool out and shake off any excess vinegar.

Next, wrap the steel wool around the base of the thermometer and then place them both in the other beaker.

Then, cover the beaker with paper or a lid. It’s important that you keep the heat in.

You’ll want to make sure that you can still read the temperature on the thermometer. It’s a great idea to poke a hole if possible through the covering so that the thermometer can fit through it, and you can easily read the temperature.

Make a note of the initial temperature, and observe it for about five minutes.

You will see that the temperature on the thermometer gradually rises, and the beaker will likely get foggy. When you soaked the steel wool in vinegar, it removed the protective coating on the steel wool, allowing the iron in the steel to rust.

Rusting is actually a chemical reaction between iron and oxygen (or oxidation). This is the chemical reaction that creates heat, thereby increasing the temperature of the beaker and on the thermometer. This is an examples of an exothermic reaction (a chemical reaction that releases energy in the form of heat).

31. Corn Syrup Viscosity Experiment

This experiment could not be simpler, and it’s the perfect tool for teaching kids of any age about viscosity.

-Corn Syrup

-2 glass containers (one should be smaller than the other)

-cupcake pan or 3 small bowls

-Food coloring

First, fill the larger glass container 1/2 to 3/4 full with corn syrup. Then, add the small glass container to the center. Careful! The corn syrup will rise a bit when you do this.

Next, Use a cupcake pan or 3 small bowls and put in a small amount of corn syrup. Mix each one with a food coloring of your choice. You should have three separate colors of corn syrup.

Then, put some colored corn syrup in the dropper, insert the dropper into the clear corn syrup and add the coloring in different places. Do that for each color as many times as you wish.

Now, you can turn the smaller glass jar while holding the outer glass still. The colored syrup will start to spread a bit. Now, switch direction and turn the small glass jar back to its original place. The colored dots return right back to their original form.

Corn syrup has a viscosity that is 5,000 times that of water, so they don’t mix in the same way.

32. Homemade Play Dough

This is a classic DIY project, and kids of all ages will love it.

• 3 cups of flour
• 1.5 cups of salt
• 6 teaspoons cream of tartar
• 3 tablespoons of oil
• 3 cups of water

33. Melting Snowballs

This is another acid and base experiment, and it’s fun on a couple different levels!

First, form snowballs by adding water to the baking soda. You’ll need about a 1/3 cup per snowball.

Then, place them in the freezer for 15 minutes.

Finally, pour drop of vinegar on the snowballs and watch them sizzle and melt.

Variations:

You can also make a snowman and do the same thing!

34. Paper Airplanes

Overview: There’s no better way for kids to learn about aerodynamics than by making a paper airplane. Wow Fold, a paper airplane website, offers dozens of paper airplane designs and easy to follow instructions.

35. Flying Ping Pong

Your kids will love this flying ping pong trick, and there are only two things you need.

First, make sure your hair dryer is on a cool setting. Then, hold the ping pong above the nozzle and turn on the air. When you let the ping pong go, it should float! Next, try it on different settings. Try to see how far you can tilt your hair dryer before the ball drops.

36. Magical Balloon

Your kids won’t believe their eyes when you push a needle through a balloon and it doesn’t pop!

• Scotch tape

First, blow up your balloon. Next, take two pieces of scotch tape and make an X on your balloon. Then, with parental supervision, push a needle through the middle of your X.

Leave the needle in and see how long it take for your balloon to finally pop!

The tape slows down the process of the hole in the balloon widening, so it takes longer for the balloon to pop.

37. What’s That Mystery Smell?

Kids of all ages can recognize a lot of different smells, and the process of using your senses is very important to the scientific method.

In this experiment, you’ll use your senses to see how many different smells you can recognize.

• Small, lidded containers that you can’t see through
• Smelly things from around the house such as bananas, an orange peel, lemons, a cotton ball soaked in perfume, chopped onion, coffee (or a used coffee filter!), rose or flower petals, pencil shavings, vanilla, vinegar, ginger, etc.

First, have a grown up put the smelly items in the containers.

Then, write a number on the side of each container.

The next step is to put your blindfold on and have them help you smell each object.

Write down what you think is inside of each container.

Finally, check your guesses! How many did you guess correctly?

38. Wacky Spoon

This is more of a science trick than an experiment, but it’s super easy to do at home!

Kitchen Spoon

Look at your reflection in a large spoon. It will be upside down!

A regular mirror is flat and sends your reflection straight back into your eyes. The rounded spoon bounces your reflection back at different angles and turns your reflection upside down. 

39. Floating Eggs

This experiment will show your child how things float differently in fresh water and salt water.

• 2 tall drinking glasses

First, fill one glass with water. Then, fill another glass with water and add 8 tablespoons of salt. Mix it up.

Next, place an egg in both glasses. One will float and the other will sink.

Adding salt to the water increases the water’s density which causes the egg to float.

40. Jumping Pepper

This simple experiment will demonstrate static electricity right before your eyes.

Place a tablespoon of pepper on a plate. Then, run a hair comb through your hair. While still holding on the comb, hold the comb over the plate and watch the pepper jump!

The plastic comb builds up a negative charge as it moves through you hair. The pepper has a positive charge, so it jumps!

Try it with other spices and powders.

41. Walking on Eggs

Your kids will be astonished to see that they can actually walk on eggs without breaking them!

• 6 dozen eggs in their cartons-Drop cloth / newspaper

Lay down your drop cloth in case the experiment doesn’t work as expected!

Place the open egg cartons next to each other. Take off your sock and shoes and gently step onto the eggs keeping your feet flat. Then bring up your other foot and carefully walk across the eggs.

Your foot is big enough that your weight spreads evenly out across the eggs, keeping them from breaking.

You can also demonstrate this concept with a heavy book. 

42. Disappearing Reflection

Make your reflection vanish! All you need is aluminum foil.

-Aluminum Foil

-Scissors (optional)

Rip off a large piece of aluminum foil (ten inches should do) and take a look at your reflection. Then, crumple up the aluminum foil. Next, Carefully flatten it back out. Finally, look for your reflection. It’s nowhere to be found!

When the aluminum foil is smooth, light reflect off of in in straight lines, which enables you to see your reflection. But once you crumple the foil, it has a wrinkled surface that sends your reflection in all different direction, causing it to disappear.  

43. Defy Gravity!

When you turn over a cup of water, you expect the water to spill and fall. But not always!

Clear plastic cup

Playing card or notecard

First, fill your clear glass about 3/4 of the way with water.

Next press your playing card or notecard gently on the top of your glass to completely cover the top. Gently rotate the cup upside down. After a few moments, remove the card. The water will stay in place!

Try it again, adding something that will float in the water. Repeat the steps, and see what happens!

45. Water Fireworks

This totally safe fireworks experiment will be a hit around the Fourth of July or any time!

Tall water glass

Small water glass

First, fill up your all water glass almost all the way with water. In the small glass, pour two tablespoons of oil. Add 2 drops of food coloring to it and mix it around with a fork until the food coloring is broken up into smaller specks.

Then, pour the oil mixture into the water and see the firework expand!

What’s happening:

Food coloring dissolves in water but not oil, causing it to go different directions.

Try two colors! Try a different size glass!

46. Bird Feeder Fun

In this simple science project, you’ll learn where birds like to have their meals.

-Pipe Cleaner

Place cheerios on a pipe clean and make a simple circle. Place it out for the birds to eat.

To experiment, place different bird feeders in different places and see if it makes a difference for how much gets eaten.

You could also make your bird feeder into different shapes to see how the birds prefer it.

47. Rain Gauge

It’s super simple to make a rain gauge from a soda bottle and track your area’s rain water!

Soda Bottle

X-acto knife (with parental supervision)

Cut the top off of a soda bottle and invert the top so that the rain water funnels into the bottle. You may want to secure it with duct tape. Next, place it outside in a spot where it can collect rain water.You’ll want to secure it so it doesn’t fall over. Then, begin measuring the rain water each day!

48. Magic Leak Proof Bag

-Ziplock Back

-Very Sharp Pencils

Fill your bag up halfway with water. Carefully poke the pencil through the bag and out the other side. (Don’t push the pencil all the way through so that it comes out the other side!)

The plastic bag’s molecules form easily around the smooth sides of the pencil forming a seal.

49. Paper Cup Tower

Similar to the “walking on Egg” experiment listed above, this activity will wow your children as they discover they won’t crush the paper cups by standing on them!

8 paper cups

First, set the paper cups on the grounds, spaced evenly. Next, place the cardboard on top of them. Then, try to stand on it and see what happens. Can you make another level?

50. Rubber Band Guitar

Tap into your musical side and explore sound with this simple rubber band guitar.

Paper or plastic cup

Rubber bands

First, wrap your rubber bands of different sizes around the cup so that the rubber bands act as strings over the hole of the cup. Then, pinch the sides of them together as best you can and tap them around the sides of the cup. See what sounds they make, and experiments with rubber bands of various sizes to see what sounds they make!

+50 More Science Experiments We Love:

Kids of all ages will love these cool science experiments that you can do together on the weekend or after school.

These science activities all use simple household items and take about 30 minutes to complete.

51. Rock Candy Experiment – Grow colorful rock candy in a glass!

51. Giant Dish Soap Bubbles – Make a giant bubble with household ingredients.

52. Solar Oven S’mores – Cook up a tasty snack in a solar oven.

53. Layering Liquids – See how liquids can stack on top of each other according to density.

54. Human Sundial – Become a human sundial to learn about solar patterns.

55. Windowsill Trash – Demonstrate how the heat of the sun helps trash decompose.

56. Naked Egg Experiment – Dissolve an eggshell with vinegar and see the membrane below!

57. Balloon Magic – Blow up a balloon without blowing, using vinegar and baking soda.

58. Tornado in a Bottle – Create a cyclone in a bottle in this classic, simple experiment.

59. Egg Teeth – Explore how sugar affects teeth in this easy experiment.

60. Step Through an Index Card – Amaze your kids by stepping through an index card that’s been strategically cut.

61. Frozen Bubbles – Find out what happens when you blow bubbles in freezing temperatures.

66. Make Butter – Shake cream and turn it into butter!

67. Ice Cream in a Bag – Turn simple ingredients into delicious ice cream.

68. Moldy Bread Experiment – See how important it is to wash your hands in the viral science experiment.

69. Map Your Taste Buds – Learn about your taste buds in this easy mapping activity.

70. Make a Rainbow – See how you can easily create your own rainbow.

71. Soap Boats – Explore density with this easy DIY boat-making activity.

72. Egg Drop Project – See if you can build a contraction to protect an egg from breaking.

73. Growing Gummy Bears – Watch gummy bears grow before your eyes.

74. Fingerprinting – Dive into the infinite world of fingerprints with a no. 2 pencil and paper.

75. Homemade Bouncy Balls – Make your own bouncy ball toys with household ingredients.

76. Dancing Corn Experiment – Explore and investigate carbon dioxide by making corn dance. 

77. Big Stick Balance – This surprising experiment will teach kids about balance.

78. Upside Down Reflection – All you need is a kitchen spoon to learn about the principles of reflection.

79. Make a Sundial – Learn how to tell time with the sun by making a simple sundial.

80. Exploding baggie – Use a simple chemical reaction to explode a plastic zip close baggie. 

81. Flame-Proof Balloon – Use cold water to make a balloon resistant to a fire’s flame!

82. Rotten Banana Balloon – Use that rotten banana in your kitchen to blow up a balloon. You can also try it with a lemon. (Here’s the Lemon Balloon Trick .)

83. Mouth-Foaming Fun – Experience a chemical reaction first hand while brushing your teeth.

84. Foot Fat Experiment – Compare the levels of fat in different foods with this simple experiment.

85. Smashing Seashells – Discover how to easily smash seashells with vinegar.

86. Super Bubble Solution – Find out how you can make giant bubbles with an easy homemade solution.

87. Shaving Cream Rain Clouds – learn about the water cycle with shaving cream. The shaving cream represents the rain cloud and the water is the atmosphere.

88. Water Bending Trick – Learn how to bend water with one simple thing you have lying around your house.

89. Dry Paper Experiment – See how you can magically dunk paper in water and not make it wet.

90. Bending Straw Illusion – Learn about light refraction in this quick and simple experiment.

93. Magic Napkin – Learn about inertia with a napkin and a plastic cup filled with water.

94. Water Fireworks – Create fireworks in a glass of water using this simple experiement with household ingredient.

95. Liquid Sandwich – Learn about density with water, oil, and honey.

97. Talking String – Learn about sound waves and make a string “sing” by using one simple button.

98. Noisy Paper – Create a loud vibration noise with just two pieces of computer paper.

99. Sunscreen and Skin – Learn about the human body and how sunscreen works with this simple experiment using sunscreen and construction paper.

100. Taste Bud 101 – Learn about the taste buds with this fun and interactive experiment.

Looking for more at-home fun ideas? Check out our list of 100 Fun Things To Do At Home >>

So, there you have it!

100 kids science experiments that are super easy to do at home.

These simple science projects are meant to spark the curiosity of your child (and the whole family.)

We hope you loved this list of our very favorite science experiments.

Email us at [email protected] to add your idea.

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Calie Herbst, Editor-in-Chief of Milwaukee With Kids, has spent over a decade combining her experiences as a parent of three to create a hub for Milwaukee’s family adventures.

Her decade-long teaching career in Milwaukee Public Schools and academic background, including a Master’s in Teaching from Marquette University and dual B.A.s in Sociology and Spanish from the University of Wisconsin – Madison, fuel her passion for inclusive and engaging family content.

Calie is also a recognized voice in local media, contributing to WISN Channel 12 News, WTMJ Wisconsin Morning News, Fox 6’s Real Milwaukee, and B93.3.

Discover more about Calie’s journey and editorial approach on her About Page  and Editorial Policy Page .

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72 Easy Science Experiments Using Materials You Already Have On Hand

Because science doesn’t have to be complicated.

If there is one thing that is guaranteed to get your students excited, it’s a good science experiment! While some experiments require expensive lab equipment or dangerous chemicals, there are plenty of cool projects you can do with regular household items. We’ve rounded up a big collection of easy science experiments that anybody can try, and kids are going to love them!

Easy Chemistry Science Experiments

Easy physics science experiments, easy biology and environmental science experiments, easy engineering experiments and stem challenges.

1. Taste the Rainbow

Teach your students about diffusion while creating a beautiful and tasty rainbow! Tip: Have extra Skittles on hand so your class can eat a few!

Learn more: Skittles Diffusion

2. Crystallize sweet treats

Crystal science experiments teach kids about supersaturated solutions. This one is easy to do at home, and the results are absolutely delicious!

Learn more: Candy Crystals

3. Make a volcano erupt

This classic experiment demonstrates a chemical reaction between baking soda (sodium bicarbonate) and vinegar (acetic acid), which produces carbon dioxide gas, water, and sodium acetate.

Learn more: Best Volcano Experiments

4. Make elephant toothpaste

This fun project uses yeast and a hydrogen peroxide solution to create overflowing “elephant toothpaste.” Tip: Add an extra fun layer by having kids create toothpaste wrappers for plastic bottles.

5. Blow the biggest bubbles you can

Add a few simple ingredients to dish soap solution to create the largest bubbles you’ve ever seen! Kids learn about surface tension as they engineer these bubble-blowing wands.

Learn more: Giant Soap Bubbles

6. Demonstrate the “magic” leakproof bag

All you need is a zip-top plastic bag, sharp pencils, and water to blow your kids’ minds. Once they’re suitably impressed, teach them how the “trick” works by explaining the chemistry of polymers.

Learn more: Leakproof Bag

7. Use apple slices to learn about oxidation

Have students make predictions about what will happen to apple slices when immersed in different liquids, then put those predictions to the test. Have them record their observations.

Learn more: Apple Oxidation

8. Float a marker man

Their eyes will pop out of their heads when you “levitate” a stick figure right off the table! This experiment works due to the insolubility of dry-erase marker ink in water, combined with the lighter density of the ink.

Learn more: Floating Marker Man

9. Discover density with hot and cold water

There are a lot of easy science experiments you can do with density. This one is extremely simple, involving only hot and cold water and food coloring, but the visuals make it appealing and fun.

Learn more: Layered Water

10. Layer more liquids

This density demo is a little more complicated, but the effects are spectacular. Slowly layer liquids like honey, dish soap, water, and rubbing alcohol in a glass. Kids will be amazed when the liquids float one on top of the other like magic (except it is really science).

Learn more: Layered Liquids

11. Grow a carbon sugar snake

Easy science experiments can still have impressive results! This eye-popping chemical reaction demonstration only requires simple supplies like sugar, baking soda, and sand.

Learn more: Carbon Sugar Snake

12. Mix up some slime

Tell kids you’re going to make slime at home, and watch their eyes light up! There are a variety of ways to make slime, so try a few different recipes to find the one you like best.

13. Make homemade bouncy balls

These homemade bouncy balls are easy to make since all you need is glue, food coloring, borax powder, cornstarch, and warm water. You’ll want to store them inside a container like a plastic egg because they will flatten out over time.

Learn more: Make Your Own Bouncy Balls

14. Create eggshell chalk

Eggshells contain calcium, the same material that makes chalk. Grind them up and mix them with flour, water, and food coloring to make your very own sidewalk chalk.

Learn more: Eggshell Chalk

15. Make naked eggs

This is so cool! Use vinegar to dissolve the calcium carbonate in an eggshell to discover the membrane underneath that holds the egg together. Then, use the “naked” egg for another easy science experiment that demonstrates osmosis .

Learn more: Naked Egg Experiment

16. Turn milk into plastic

This sounds a lot more complicated than it is, but don’t be afraid to give it a try. Use simple kitchen supplies to create plastic polymers from plain old milk. Sculpt them into cool shapes when you’re done!

17. Test pH using cabbage

Teach kids about acids and bases without needing pH test strips! Simply boil some red cabbage and use the resulting water to test various substances—acids turn red and bases turn green.

Learn more: Cabbage pH

18. Clean some old coins

Use common household items to make old oxidized coins clean and shiny again in this simple chemistry experiment. Ask kids to predict (hypothesize) which will work best, then expand the learning by doing some research to explain the results.

Learn more: Cleaning Coins

19. Pull an egg into a bottle

This classic easy science experiment never fails to delight. Use the power of air pressure to suck a hard-boiled egg into a jar, no hands required.

Learn more: Egg in a Bottle

20. Blow up a balloon (without blowing)

Chances are good you probably did easy science experiments like this when you were in school. The baking soda and vinegar balloon experiment demonstrates the reactions between acids and bases when you fill a bottle with vinegar and a balloon with baking soda.

21 Assemble a DIY lava lamp

This 1970s trend is back—as an easy science experiment! This activity combines acid-base reactions with density for a totally groovy result.

22. Explore how sugary drinks affect teeth

The calcium content of eggshells makes them a great stand-in for teeth. Use eggs to explore how soda and juice can stain teeth and wear down the enamel. Expand your learning by trying different toothpaste-and-toothbrush combinations to see how effective they are.

Learn more: Sugar and Teeth Experiment

23. Mummify a hot dog

If your kids are fascinated by the Egyptians, they’ll love learning to mummify a hot dog! No need for canopic jars , just grab some baking soda and get started.

24. Extinguish flames with carbon dioxide

This is a fiery twist on acid-base experiments. Light a candle and talk about what fire needs in order to survive. Then, create an acid-base reaction and “pour” the carbon dioxide to extinguish the flame. The CO2 gas acts like a liquid, suffocating the fire.

25. Send secret messages with invisible ink

Turn your kids into secret agents! Write messages with a paintbrush dipped in lemon juice, then hold the paper over a heat source and watch the invisible become visible as oxidation goes to work.

Learn more: Invisible Ink

26. Create dancing popcorn

This is a fun version of the classic baking soda and vinegar experiment, perfect for the younger crowd. The bubbly mixture causes popcorn to dance around in the water.

27. Shoot a soda geyser sky-high

You’ve always wondered if this really works, so it’s time to find out for yourself! Kids will marvel at the chemical reaction that sends diet soda shooting high in the air when Mentos are added.

Learn more: Soda Explosion

28. Send a teabag flying

Hot air rises, and this experiment can prove it! You’ll want to supervise kids with fire, of course. For more safety, try this one outside.

Learn more: Flying Tea Bags

29. Create magic milk

This fun and easy science experiment demonstrates principles related to surface tension, molecular interactions, and fluid dynamics.

Learn more: Magic Milk Experiment

30. Watch the water rise

Learn about Charles’s Law with this simple experiment. As the candle burns, using up oxygen and heating the air in the glass, the water rises as if by magic.

Learn more: Rising Water

31. Learn about capillary action

Kids will be amazed as they watch the colored water move from glass to glass, and you’ll love the easy and inexpensive setup. Gather some water, paper towels, and food coloring to teach the scientific magic of capillary action.

Learn more: Capillary Action

32. Give a balloon a beard

Equally educational and fun, this experiment will teach kids about static electricity using everyday materials. Kids will undoubtedly get a kick out of creating beards on their balloon person!

Learn more: Static Electricity

33. Find your way with a DIY compass

Here’s an old classic that never fails to impress. Magnetize a needle, float it on the water’s surface, and it will always point north.

Learn more: DIY Compass

34. Crush a can using air pressure

Sure, it’s easy to crush a soda can with your bare hands, but what if you could do it without touching it at all? That’s the power of air pressure!

35. Tell time using the sun

While people use clocks or even phones to tell time today, there was a time when a sundial was the best means to do that. Kids will certainly get a kick out of creating their own sundials using everyday materials like cardboard and pencils.

Learn more: Make Your Own Sundial

36. Launch a balloon rocket

Grab balloons, string, straws, and tape, and launch rockets to learn about the laws of motion.

37. Make sparks with steel wool

All you need is steel wool and a 9-volt battery to perform this science demo that’s bound to make their eyes light up! Kids learn about chain reactions, chemical changes, and more.

Learn more: Steel Wool Electricity

38. Levitate a Ping-Pong ball

Kids will get a kick out of this experiment, which is really all about Bernoulli’s principle. You only need plastic bottles, bendy straws, and Ping-Pong balls to make the science magic happen.

39. Whip up a tornado in a bottle

There are plenty of versions of this classic experiment out there, but we love this one because it sparkles! Kids learn about a vortex and what it takes to create one.

Learn more: Tornado in a Bottle

40. Monitor air pressure with a DIY barometer

This simple but effective DIY science project teaches kids about air pressure and meteorology. They’ll have fun tracking and predicting the weather with their very own barometer.

Learn more: DIY Barometer

41. Peer through an ice magnifying glass

Students will certainly get a thrill out of seeing how an everyday object like a piece of ice can be used as a magnifying glass. Be sure to use purified or distilled water since tap water will have impurities in it that will cause distortion.

Learn more: Ice Magnifying Glass

42. String up some sticky ice

Can you lift an ice cube using just a piece of string? This quick experiment teaches you how. Use a little salt to melt the ice and then refreeze the ice with the string attached.

Learn more: Sticky Ice

43. “Flip” a drawing with water

Light refraction causes some really cool effects, and there are multiple easy science experiments you can do with it. This one uses refraction to “flip” a drawing; you can also try the famous “disappearing penny” trick .

Learn more: Light Refraction With Water

44. Color some flowers

We love how simple this project is to re-create since all you’ll need are some white carnations, food coloring, glasses, and water. The end result is just so beautiful!

45. Use glitter to fight germs

Everyone knows that glitter is just like germs—it gets everywhere and is so hard to get rid of! Use that to your advantage and show kids how soap fights glitter and germs.

Learn more: Glitter Germs

46. Re-create the water cycle in a bag

You can do so many easy science experiments with a simple zip-top bag. Fill one partway with water and set it on a sunny windowsill to see how the water evaporates up and eventually “rains” down.

Learn more: Water Cycle

47. Learn about plant transpiration

Your backyard is a terrific place for easy science experiments. Grab a plastic bag and rubber band to learn how plants get rid of excess water they don’t need, a process known as transpiration.

Learn more: Plant Transpiration

48. Clean up an oil spill

Before conducting this experiment, teach your students about engineers who solve environmental problems like oil spills. Then, have your students use provided materials to clean the oil spill from their oceans.

Learn more: Oil Spill

49. Construct a pair of model lungs

Kids get a better understanding of the respiratory system when they build model lungs using a plastic water bottle and some balloons. You can modify the experiment to demonstrate the effects of smoking too.

Learn more: Model Lungs

50. Experiment with limestone rocks

Kids  love to collect rocks, and there are plenty of easy science experiments you can do with them. In this one, pour vinegar over a rock to see if it bubbles. If it does, you’ve found limestone!

Learn more: Limestone Experiments

51. Turn a bottle into a rain gauge

All you need is a plastic bottle, a ruler, and a permanent marker to make your own rain gauge. Monitor your measurements and see how they stack up against meteorology reports in your area.

Learn more: DIY Rain Gauge

52. Build up towel mountains

This clever demonstration helps kids understand how some landforms are created. Use layers of towels to represent rock layers and boxes for continents. Then pu-u-u-sh and see what happens!

Learn more: Towel Mountains

53. Take a play dough core sample

Learn about the layers of the earth by building them out of Play-Doh, then take a core sample with a straw. ( Love Play-Doh? Get more learning ideas here. )

Learn more: Play Dough Core Sampling

54. Project the stars on your ceiling

Use the video lesson in the link below to learn why stars are only visible at night. Then create a DIY star projector to explore the concept hands-on.

Learn more: DIY Star Projector

55. Make it rain

Use shaving cream and food coloring to simulate clouds and rain. This is an easy science experiment little ones will beg to do over and over.

Learn more: Shaving Cream Rain

56. Blow up your fingerprint

This is such a cool (and easy!) way to look at fingerprint patterns. Inflate a balloon a bit, use some ink to put a fingerprint on it, then blow it up big to see your fingerprint in detail.

57. Snack on a DNA model

Twizzlers, gumdrops, and a few toothpicks are all you need to make this super-fun (and yummy!) DNA model.

Learn more: Edible DNA Model

58. Dissect a flower

Take a nature walk and find a flower or two. Then bring them home and take them apart to discover all the different parts of flowers.

59. Craft smartphone speakers

No Bluetooth speaker? No problem! Put together your own from paper cups and toilet paper tubes.

Learn more: Smartphone Speakers

60. Race a balloon-powered car

Kids will be amazed when they learn they can put together this awesome racer using cardboard and bottle-cap wheels. The balloon-powered “engine” is so much fun too.

Learn more: Balloon-Powered Car

61. Build a Ferris wheel

You’ve probably ridden on a Ferris wheel, but can you build one? Stock up on wood craft sticks and find out! Play around with different designs to see which one works best.

Learn more: Craft Stick Ferris Wheel

62. Design a phone stand

There are lots of ways to craft a DIY phone stand, which makes this a perfect creative-thinking STEM challenge.

63. Conduct an egg drop

Put all their engineering skills to the test with an egg drop! Challenge kids to build a container from stuff they find around the house that will protect an egg from a long fall (this is especially fun to do from upper-story windows).

Learn more: Egg Drop Challenge Ideas

64. Engineer a drinking-straw roller coaster

STEM challenges are always a hit with kids. We love this one, which only requires basic supplies like drinking straws.

Learn more: Straw Roller Coaster

65. Build a solar oven

Explore the power of the sun when you build your own solar ovens and use them to cook some yummy treats. This experiment takes a little more time and effort, but the results are always impressive. The link below has complete instructions.

Learn more: Solar Oven

66. Build a Da Vinci bridge

There are plenty of bridge-building experiments out there, but this one is unique. It’s inspired by Leonardo da Vinci’s 500-year-old self-supporting wooden bridge. Learn how to build it at the link, and expand your learning by exploring more about Da Vinci himself.

Learn more: Da Vinci Bridge

67. Step through an index card

This is one easy science experiment that never fails to astonish. With carefully placed scissor cuts on an index card, you can make a loop large enough to fit a (small) human body through! Kids will be wowed as they learn about surface area.

68. Stand on a pile of paper cups

Combine physics and engineering and challenge kids to create a paper cup structure that can support their weight. This is a cool project for aspiring architects.

Learn more: Paper Cup Stack

69. Test out parachutes

Gather a variety of materials (try tissues, handkerchiefs, plastic bags, etc.) and see which ones make the best parachutes. You can also find out how they’re affected by windy days or find out which ones work in the rain.

Learn more: Parachute Drop

70. Recycle newspapers into an engineering challenge

It’s amazing how a stack of newspapers can spark such creative engineering. Challenge kids to build a tower, support a book, or even build a chair using only newspaper and tape!

Learn more: Newspaper STEM Challenge

71. Use rubber bands to sound out acoustics

Explore the ways that sound waves are affected by what’s around them using a simple rubber band “guitar.” (Kids absolutely love playing with these!)

Learn more: Rubber Band Guitar

72. Assemble a better umbrella

Challenge students to engineer the best possible umbrella from various household supplies. Encourage them to plan, draw blueprints, and test their creations using the scientific method.

Learn more: Umbrella STEM Challenge

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10 quick and Easy science experiments for toddlers that are totally awesome {2 years old and Up}

It is science week here at Tot School, and to celebrate, we had a week full of daily science experiments for toddlers.

If you are looking for easy science experiments for toddlers to learn and enjoy, these are our top favorites so far!

All of these science experiments for toddlers are age-appropriate, fun, and have been tested and approved by my own toddler 2-year-old toddler as well as my sensory students.

The Best science experiments for toddlers

#1 volcanic eruptions.

Also called witches brew. This science experiment for toddlers come in as number 1 in our list because it is so easy to make, it is so much fun to do, and the kids can do it themselves.

To do this experiment, all you need is some baking soda and vinegar. The mixture between the two created a magic explosion that is safe for the little ones and a lot of fun.

Use food coloring to change the color of the bubbles. Add water to the vinegar to dilute and expand the use of it, the kids love to pour and see the bubbles repeatedly, so this will extend the activity for extra playtime.

Learn how to set up this witches brew experiment with step by step instructions

#2 fizzy cubes.

To make fizzy cubes freeze a mixture of baking soda and water. Activate with the vinegar the same way mentioned above.

To change the activity and work fine motor skills , this activity was set up using a dropper to suck the vinegar and squeeze it into the fizzy cube.

My toddler tried it a few times but wanted a faster way to dissolve the cubes. He enjoyed grabbing each of the fizzy cubes and dropping them into the vinegar cup.

Making Oobleck is one of my favorite activities, but it can get very messy! When you grab this substance, it is solid, but it melts and becomes liquid when you let go of the pressure.

To do this science experiment all you need is two parts cornstarch and 1 part water.

Watch our quick video or get the step by step instructions and learn how to make oobleck

View this post on Instagram Make the coolest science experiment for toddlers and am kids of all ages. All you need is water, cornstarch and food coloring. (Be careful as some food coloring can temporarily stain the hand) 1 cup of water to about 2 cups of corns starch A post shared by Alexa | Kid Activities (@kidactivitieswithalexa) on Jul 15, 2020 at 6:38pm PDT

#4 Sink or Float

Understanding weight is one of the first science experiments that you can do at home. All you need is a bowl of water and a few water-safe objects.

Start by identifying what happens when each objects touches the water. Repetition here is key!

Once tout toddler grasps the new vocabulary words and correctly identifies what is happening then try to ask before the item gets dropped to guess what he thinks is going to happen.

You can repeat this experiment during bath time, at the pool or anywhere you have access to water.

Have you played the sink or float game? Well, actually is a science experiment and one of our favorite activities. I usually let Manu set up the whole thing form the beginning. I give him a pitcher of water and an empty bowl for him to pour h the e water into. Then we walk around and find different things to test out. Will it float? Will it sink? I let him pick what he wants to throw (as long as it can get wet and has no batteries) and this freedom lets him explore and learn. Who knew a bowl of water could be so fun! #2yearoldactivities #toddleractivitiesathome Posted by Kid Activities with Alexa on Monday, September 28, 2020

Learn how to set up the sink of float experiment with step by step instructions

#5 hot and cold.

Learn about temperature using sensory bottles. We filled out one bottle of water with cold water and added a few ice cubes and filled out a second one using hot water. We dyed the cold water blue and the hot water yellow to help associate the concepts.

We also paired this opposite lesson with a YouTube video which we learned the lyrics and acted out the finger-play actions throughout the week.

#6 mixing Colors

Once a toddler is familiar with the colors, can identify and name them correctly it is time to add colors into science experiments. Working with primary colors we have started to create a few experiments to make new colors. This week was all about yellow and blue makes green. We did it with some water, food coloring and soap as well as with paint.

What Primary colors make new colors?

• Red and Yellow makes Orange
• Yellow and blue makes Green
• Blue and Red makes Purple/Voilet

Discovering air is one of the very first science concepts that can be taught, Do this experiment if your child knows how to blow out already. Add a squirt of dish soap into a bowl and some water. Provide a straw and show your toddler how to blow to create bubbles.

Look at the colors the bubbles reflect, can you hold it? does it pop? can you blow on them? what happens?

As a variation of this experiment, you can add watercolor paint to the solution and allow the colored bubbles to pop into a paper to create a work of art.

#8 DIY Lava Lamp

This experiment was one of Manu’s favorite. To create your own DIY lava lamp you will need vegetable oil, water, food coloring and effervescent tablets.

For our first try we filled out 1/2 of the glass cup with water and added food coloring (too much!) and the other half with vegetable oil. I crushed the effervescent tablet in many pieces as I knew my toddler would enjoy dropping them tablets into the glass.

Once the tablet hits the water, it starts to dissolve and create bubbles who travel upwards on the glass, passing through the oil and popping into the surface. Because the water doesn’t mix with the oil, you can visually see how these bubbles travel towards the surface and once they pop how the water travel back down.

For our second try, we did only 1/4 of water and used a lot less food coloring and added a lot more vegetable oil to the glass. The lava lamp looked a lot better as the colored water bubbles had more room to travel.

Cutting up the tablets in different pieces was a great ideas. Manu loved creating the bubbles and enjoyed repeating it over and over.

Slime is a great tool to work on fine motor skills, it is also a cool chemistry experiment. Similar to oobleck, slime changes is composition when played with. It is solid but stretches or breaks. For toddlers, of course, they won’t really understand the science concept behind it but they will enjoy playing with the material and making their own little experiments as they learn and understand how slime behaves. Is not like playdough, it is not like oobleck, it is its own unique material.

I like to use fluffy slime , like the rainbow slime or the white fluffy slime with toddlers. Fluffy slime is less stretchy that other types so it is easier to handle by toddlers.

Learn how to make rainbow slime

Learn how to make white fluffy slime.

#10 Exploring light

Learning about light and dark, shadows and reflections are all science activities you can start exploring early on.

Make shadows using cutout woods or use your hands and a flashlight, use the sun to explore the light and it’s reflection. We have done colored bottles to explore the colors reflect on the floor, made apple shaped suncatchers and made a glow in the dark sensory bottle.

Last Thoughts

Science can be a lot of fun and as you can see, you can start even when they are toddlers. Allowing your toddler time and exposure to different materials and experiments helps them understand the world they live in, gives them the confident to experiment and explore and gain a ton of new information when doing so. Don’t forget to always supervise any experiment or invitation to play.

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50 Fun Kids Science Experiments

Science doesn’t need to be complicated. These easy science experiments below are awesome for kids! They are visually stimulating, hands-on, and sensory-rich, making them fun to do and perfect for teaching simple science concepts at home or in the classroom.

Top 10 Science Experiments

Click on the titles below for the full supplies list and easy step-by-step instructions. Have fun trying these experiments at home or in the classroom, or even use them for your next science fair project!

Baking Soda Balloon Experiment

Can you make a balloon inflate on its own? Grab a few basic kitchen ingredients and test them out! Try amazing chemistry for kids at your fingertips.

Rainbow In A Jar

Enjoy learning about the basics of color mixing up to the density of liquids with this simple water density experiment . There are even more ways to explore rainbows here with walking water, prisms, and more.

This color-changing magic milk experiment will explode your dish with color. Add dish soap and food coloring to milk for cool chemistry!

Seed Germination Experiment

Not all kids’ science experiments involve chemical reactions. Watch how a seed grows , which provides a window into the amazing field of biology .

Egg Vinegar Experiment

One of our favorite science experiments is a naked egg or rubber egg experiment . Can you make your egg bounce? What happened to the shell?

Dancing Corn

Find out how to make corn dance with this easy experiment. Also, check out our dancing raisins and dancing cranberries.

Grow Crystals

Growing borax crystals is easy and a great way to learn about solutions. You could also grow sugar crystals , eggshell geodes , or salt crystals .

Lava Lamp Experiment

It is great for learning about what happens when you mix oil and water. a homemade lava lamp is a cool science experiment kids will want to do repeatedly!

Skittles Experiment

Who doesn’t like doing science with candy? Try this classic Skittles science experiment and explore why the colors don’t mix when added to water.

Lemon Volcano

Watch your kids’ faces light up, and their eyes widen when you test out cool chemistry with a lemon volcano using common household items, baking soda, and vinegar.

Bonus! Popsicle Stick Catapult

Kid tested, STEM approved! Making a popsicle stick catapult is a fantastic way to dive into hands-on physics and engineering.

Grab the handy Top 10 Science Experiments list here!

Free Science Ideas Guide

Grab this free science experiments challenge calendar and have fun with science right away. Use the clickable links to see how to set up each science project.

Get Started With A Science Fair Project

💡Want to turn one of these fun and easy science experiments into a science fair project? Then, you will want to check out these helpful resources.

• Easy Science Fair Projects
• Science Project Tips From A Teacher
• Science Fair Board Ideas

50 Easy Science Experiments For Kids

Kids’ Science Experiments By Topic

Are you looking for a specific topic? Check out these additional resources below. Each topic includes easy-to-understand information, everyday examples, and additional hands-on activities and experiments.

• Chemistry Experiments
• Physics Experiments
• Chemical Reaction Experiments
• Candy Experiments
• Plant Experiments
• Kitchen Science
• Water Experiments
• Baking Soda Experiments
• States Of Matter Experiments
• Physical Change Experiments
• Chemical Change Experiments
• Surface Tension Experiments
• Capillary Action Experiments
• Weather Science Projects
• Geology Science Projects
• Space Activities
• Simple Machines
• Static Electricity
• Potential and Kinetic Energy
• Gravity Experiments

Science Experiments By Season

• Spring Science
• Summer Science Experiments
• Fall Science Experiments
• Winter Science Experiments

Science Experiments by Age Group

While many experiments can be performed by various age groups, the best science experiments for specific age groups are listed below.

• Science Activities For Toddlers
• Preschool Science Experiments
• Kindergarten Science Experiments
• First Grade Science Projects
• Elementary Science Projects
• Science Projects For 3rd Graders
• Science Experiments For Middle Schoolers

How To Teach Science

Kids are curious and always looking to explore, discover, check out, and experiment to discover why things do what they do, move as they move, or change as they change! My son is now 13, and we started with simple science activities around three years of age with simple baking soda science.

Here are great tips for making science experiments enjoyable at home or in the classroom.

Safety first: Always prioritize safety. Use kid-friendly materials, supervise the experiments, and handle potentially hazardous substances yourself.

Start with simple experiments: Begin with basic experiments (find tons below) that require minimal setup and materials, gradually increasing complexity as kids gain confidence.

Use everyday items: Utilize common household items like vinegar and baking soda , food coloring, or balloons to make the experiments accessible and cost-effective.

Hands-on approach: Encourage kids to actively participate in the experiments rather than just observing. Let them touch, mix, and check out reactions up close.

Make predictions: Ask kids to predict the outcome before starting an experiment. This stimulates critical thinking and introduces the concept of hypothesis and the scientific method.

Record observations: Have a science journal or notebook where kids can record their observations, draw pictures, and write down their thoughts. Learn more about observing in science. We also have many printable science worksheets .

Theme-based experiments: Organize experiments around a theme, such as water , air , magnets , or plants . Even holidays and seasons make fun themes!

Kitchen science : Perform experiments in the kitchen, such as making ice cream using salt and ice or learning about density by layering different liquids.

Create a science lab: Set up a dedicated space for science experiments, and let kids decorate it with science-themed posters and drawings.

Outdoor experiments: Take some experiments outside to explore nature, study bugs, or learn about plants and soil.

DIY science kits: Prepare science experiment kits with labeled containers and ingredients, making it easy for kids to conduct experiments independently. Check out our DIY science list and STEM kits.

Make it a group effort: Group experiments can be more fun, allowing kids to learn together and share their excitement. Most of our science activities are classroom friendly!

Science shows or documentaries: Watch age-appropriate science shows or documentaries to introduce kids to scientific concepts entertainingly. Hello Bill Nye and the Magic Schoolbus! You can also check out National Geographic, the Discovery Channel, and NASA!

Ask open-ended questions: Encourage critical thinking by asking open-ended questions that prompt kids to think deeper about what they are experiencing.

Celebrate successes: Praise kids for their efforts and discoveries, no matter how small, to foster a positive attitude towards science and learning.

What is the Scientific Method for Kids?

The scientific method is a way scientists figure out how things work. First, they ask a question about something they want to know. Then, they research to learn what’s already known about it. After that, they make a prediction called a hypothesis.

Next comes the fun part – they test their hypothesis by doing experiments. They carefully observe what happens during the experiments and write down all the details. Learn more about variables in experiments here.

Once they finish their experiments, they look at the results and decide if their hypothesis is right or wrong. If it’s wrong, they devise a new hypothesis and try again. If it’s right, they share their findings with others. That’s how scientists learn new things and make our world better!

Go ahead and introduce the scientific method and get kids started recording their observations and making conclusions. Read more about the scientific method for kids .

Engineering and STEM Projects For Kids

STEM activities include science, technology, engineering, and mathematics. In addition to our kids’ science experiments, we have lots of fun STEM activities for you to try. Check out these STEM ideas below.

• Building Activities
• Self-Propelling Car Projects
• Engineering Projects For Kids
• What Is Engineering For Kids?
• Lego STEM Ideas
• LEGO Engineering Activities
• STEM Activities For Toddlers
• STEM Worksheets
• Easy STEM Activities For Elementary
• Quick STEM Challenges
• Easy STEM Activities With Paper  

Printable Science Projects For Kids

If you’re looking to grab all of our printable science projects in one convenient place plus exclusive worksheets and bonuses like a STEAM Project pack, our Science Project Pack is what you need! Over 300+ Pages!

• 90+ classic science activities  with journal pages, supply lists, set up and process, and science information.  NEW! Activity-specific observation pages!
• Best science practices posters  and our original science method process folders for extra alternatives!
• Be a Collector activities pack  introduces kids to the world of making collections through the eyes of a scientist. What will they collect first?
• Know the Words Science vocabulary pack  includes flashcards, crosswords, and word searches that illuminate keywords in the experiments!
• My science journal writing prompts  explore what it means to be a scientist!!
• Bonus STEAM Project Pack:  Art meets science with doable projects!
• Bonus Quick Grab Packs for Biology, Earth Science, Chemistry, and Physics

Subscribe to receive a free 5-Day STEM Challenge Guide

~ projects to try now ~.

Loving Life with Fun, Balance, and Learning

10 Easy Toddler Science Experiments To Wow Your Kids

Combine play time and science for a creative way to connect with your children! These easy toddler science experiments will inspire fun, creativity, and learning into your days with the kids.

This is a fairly low prep science activity and simple to complete. It is great for 2 years of age and older.

The great thing is that sometimes the simplest things can turn into the absolute best toddler learning activities.

If you love these ideas also be sure to check out my post on 3 ingredient art crafts and dollar tree craft ideas as well! You can never have too many ideas lined up to keep your toddler busy.

Fun Toddler Science Activities!

1. “when will the boat sink” toddler science experiment, get your supplies ready.

Everything you need can be found with one trip around he house and shouldn’t cost any more than a few dollars if you need to grab some supplies! Here is a list of the items you will need if you don’t already have them at home.

We hope you like the products we recommend. Just so you are aware, Keep Toddlers Busy may collect a share of sales from the links on this page. As an Amazon Associate I earn from qualifying purchases. Read more about our links in my disclosure policy.

Here is what you will need:

1.Aluminum foil to make your boat

2. A Messy Mat or cardboard to catch the water. Or you can do it outside.

3. Something to weight down the boat! Coins would work great. We decided to use letter but they were a little too light. We had to add a lot of letters! The kids enjoyed it though.

Let The Guessing Began!

Have your kids guess how much it will take to sink the boat! My kids guesses were all over the place and it was hilarious 🙂

If you have more than one child, I suggest dividing up your experiment materials so everything will go smoothly! Mine argue over everything currently.

Let the Fun Begin!

This part of the activity is very simple and fun! Add each piece slowly and count them until the boat sinks! Try to spread your materials throughout the boat and you will be surprised how much can really fit on top.

The funnest part is when the boat actually sinks 🙂

We had so much fun, we had to take the party outside!

2. Glove Air Blow Experiment

We had so much fun with this!

All you need is, gloves, a cup, and a straw! I wrote names an/or alphabet letters on the fingers and I watched my kids run around blowing in their gloves saying “magic gloves”.

Check out the pictures and videos below!

Sidenote: I Loove Green Craft Kids. If you are looking for Hands-on science and art kits delivered each month for ages 2-10+, check this out!

2a. Color Water Mixing

I did a brave thing and did a water mixing activity inside. My husband was literally holding his breath lol. The experiment involves water colored with Crayola Washable Paint ! Super fun!

3. Grow A Rainbow Experiment

The Best Ideas For Kids has an awesome rainbow experiment! Check it out here !

4. Sink or Float Science

A simple yet awesome science experiment for kids. Check it out at Happy Hooligans

5. Mixing Colors Science Activity

This is another awesome science activity that your toddler would love. See more at here at Busy Toddler.

6. Salt With Frozen Hands Science Activity

I love this simple project! My kids currently adore anything frozen so Im looking forward to trying this one. Get the how-to at here .

7. Sink The Egg Stem Challenge

This is another low prep activity that the kiddies would ABSOLUTELY love from one of my favorite activity mom bloggers! Check it out at Happy Toddler Playtime .

8. Exploring Colors Challenge

Baking and vinegar will never go out of style for almost all ages, especially when you add color. Check out this awesome science project here at Buggy and Buddy.

9. Rain Clouds Science

How cool is this toddler experiment?? Get the how-to at Team Cartwright

10. Toddler Gravity Experiments

This is literally one of the most important science lessons we can study as a young child. I mean really 🙂 Check out the how-to at Lovevery.

I hope you enjoyed these easy toddler and preschool science experiments! They have certainly brought joy to my children. Have you tried any science projects yet? If so, please tell me some of your ideas below. I would absolutely LOVE to hear about them.

Also check out my posts on a great pom pom frame craft and popsicle stick crafts for more fun ideas!

Also, remember to sign up for your FREE weekly activities planner on the top or the right side of the page and check out my printables page

Welcome to my blog! I am an activity mom of three and I have over 15 years of experience crafting, writing, designing and creating. My mission is to bring fun, balance and learning to your busy homes with activities, tips, inspiration, and organization!

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Hi Kayla, congratulations for designing this great website. It is very appealing and I love the post topic of toddler science experiments. The kids will love this and I believe it truly will also help their developmental growth.

I plan to direct some friends and family members who have toddlers to come over to this beautiful website to learn ways to keep their kids busy in a productive and educationally enriching way.

I really wish you great success!

Thank you Joseph, I appreciate that!

Iheanacho David

This is a very useful article and i think i will be getting the materials for one of these experiments for my niece and nephew. I think it is much better than the regular toys i get for them. I feel it will  build their interest in the science world at a very young age and they want to try out new things.

I agree! Enjoy!

Nice work you’ve done here, i and my kids love your website so much, they always love reading your content its so friendly and unique, thanks alot for the info, i see you have wriiten a thorough article here, these has been one of the most thorough and laid down article ive read so far, its really crazy with what you can accomplish with the right post, i already saved these post so as to come back for future reference.i actually read it to the end because your choice of words and writing skills is really something to save and come back for future referencing, i really do fancy these post alot, it really has made my day fun, thanks alot for the info, it has been the best so far..

Heloo there 

Thanks alot for this informative article on ten easy toddler science experiment… This is really fascinating…. Doing science projects helps to to develop a child’s resourcefulness particularly their skills at goal getting, planning and solving problems. I really appreciate your effort on this and i can’t wait to try them with my little niece and nephew. Thanks alot for sharing… I’m looking forward to seeing more of your post. 

you are welcome and yes it has so many benefits! Thanks for your comment!

Yayy!! All the experiments are really good and informational. Thanks for sharing!!

You’re Welcome Robin! Glad you enjoyed 🙂

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Choose Your Test

Sat / act prep online guides and tips, 37 cool science experiments for kids to do at home.

General Education

Are you looking for cool science experiments for kids at home or for class? We've got you covered! We've compiled a list of 37 of the best science experiments for kids that cover areas of science ranging from outer space to dinosaurs to chemical reactions. By doing these easy science experiments, kids will make their own blubber and see how polar bears stay warm, make a rain cloud in a jar to observe how weather changes, create a potato battery that'll really power a lightbulb, and more.

Below are 37 of the best science projects for kids to try. For each one we include a description of the experiment, which area(s) of science it teaches kids about, how difficult it is (easy/medium/hard), how messy it is (low/medium/high), and the materials you need to do the project. Note that experiments labelled "hard" are definitely still doable; they just require more materials or time than most of these other science experiments for kids.

#1: Insect Hotels

• Teaches Kids About: Zoology
• Difficulty Level: Medium
• Messiness Level: Medium

Insect hotels can be as simple (just a few sticks wrapped in a bundle) or as elaborate as you'd like, and they're a great way for kids to get creative making the hotel and then get rewarded by seeing who has moved into the home they built. After creating a hotel with hiding places for bugs, place it outside (near a garden is often a good spot), wait a few days, then check it to see who has occupied the "rooms." You can also use a bug ID book or app to try and identify the visitors.

• Materials Needed
• Shadow box or other box with multiple compartments
• Hot glue gun with glue
• Sticks, bark, small rocks, dried leaves, bits of yarn/wool, etc.

#2: DIY Lava Lamp

• Teaches Kids About: Chemical reactions
• Difficulty Level: Easy

In this quick and fun science experiment, kids will mix water, oil, food coloring, and antacid tablets to create their own (temporary) lava lamp . Oil and water don't mix easily, and the antacid tablets will cause the oil to form little globules that are dyed by the food coloring. Just add the ingredients together and you'll end up with a homemade lava lamp!

• Vegetable oil
• Food coloring
• Antacid tablets

#3: Magnetic Slime

• Teaches Kids About: Magnets
• Messiness Level: High (The slime is black and will slightly dye your fingers when you play with it, but it washes off easily.)

A step up from silly putty and Play-Doh, magnetic slime is fun to play with but also teaches kids about magnets and how they attract and repel each other. Some of the ingredients you aren't likely to have around the house, but they can all be purchased online. After mixing the ingredients together, you can use the neodymium magnet (regular magnets won't be strong enough) to make the magnetic slime move without touching it!

• Liquid starch
• Adhesive glue
• Iron oxide powder
• Neodymium (rare earth) magnet

#4: Baking Soda Volcanoes

• Teaches Kids About: Chemical reactions, earth science
• Difficulty Level: Easy-medium
• Messiness Level: High

Baking soda volcanoes are one of the classic science projects for kids, and they're also one of the most popular. It's hard to top the excitement of a volcano erupting inside your home. This experiment can also be as simple or in-depth as you like. For the eruption, all you need is baking soda and vinegar (dishwashing detergent adds some extra power to the eruption), but you can make the "volcano" as elaborate and lifelike as you wish.

• Baking soda
• Dishwashing detergent
• Large mason jar or soda bottle
• Playdough or aluminum foil to make the "volcano"
• Additional items to place around the volcano (optional)
• Food coloring (optional)

#5: Tornado in a Jar

• Teaches Kids About: Weather
• Messiness Level: Low

This is one of the quick and easy and science experiments for kids to teach them about weather. It only takes about five minutes and a few materials to set up, but once you have it ready you and your kids can create your own miniature tornado whose vortex you can see and the strength of which you can change depending on how quickly you swirl the jar.

• Glitter (optional)

#6: Colored Celery Experiment

• Teaches Kids About: Plants

This celery science experiment is another classic science experiment that parents and teachers like because it's easy to do and gives kids a great visual understanding of how transpiration works and how plants get water and nutrients. Just place celery stalks in cups of colored water, wait at least a day, and you'll see the celery leaves take on the color of the water. This happens because celery stalks (like other plants) contain small capillaries that they use to transport water and nutrients throughout the plant.

• Celery stalks (can also use white flowers or pale-colored cabbage)

#7: Rain Cloud in a Jar

This experiment teaches kids about weather and lets them learn how clouds form by making their own rain cloud . This is definitely a science project that requires adult supervision since it uses boiling water as one of the ingredients, but once you pour the water into a glass jar, the experiment is fast and easy, and you'll be rewarded with a little cloud forming in the jar due to condensation.

• Glass jar with a lid
• Boiling water
• Aerosol hairspray

#8: Edible Rock Candy

• Teaches Kids About: Crystal formation

It takes about a week for the crystals of this rock candy experiment to form, but once they have you'll be able to eat the results! After creating a sugar solution, you'll fill jars with it and dangle strings in them that'll slowly become covered with the crystals. This experiment involves heating and pouring boiling water, so adult supervision is necessary, once that step is complete, even very young kids will be excited to watch crystals slowly form.

• Large saucepan
• Clothespins
• String or small skewers
• Candy flavoring (optional)

#9: Water Xylophone

• Teaches Kids About: Sound waves

With just some basic materials you can create your own musical instrument to teach kids about sound waves. In this water xylophone experiment , you'll fill glass jars with varying levels of water. Once they're all lined up, kids can hit the sides with wooden sticks and see how the itch differs depending on how much water is in the jar (more water=lower pitch, less water=higher pitch). This is because sound waves travel differently depending on how full the jars are with water.

• Wooden sticks/skewers

#10: Blood Model in a Jar

• Teaches Kids About: Human biology

This blood model experiment is a great way to get kids to visual what their blood looks like and how complicated it really is. Each ingredient represents a different component of blood (plasma, platelets, red blood cells, etc.), so you just add a certain amount of each to the jar, swirl it around a bit, and you have a model of what your blood looks like.

• Empty jar or bottle
• Red cinnamon candies
• Marshmallows or dry white lima beans
• White sprinkles

#11: Potato Battery

• Teaches Kids About: Electricity
• Difficulty Level: Hard

Did you know that a simple potato can produce enough energy to keep a light bulb lit for over a month? You can create a simple potato battery to show kids. There are kits that provide all the necessary materials and how to set it up, but if you don't purchase one of these it can be a bit trickier to gather everything you need and assemble it correctly. Once it's set though, you'll have your own farm grown battery!

• Fresh potato
• Galvanized nail
• Copper coin

#12: Homemade Pulley

• Teaches Kids About: Simple machines

This science activity requires some materials you may not already have, but once you've gotten them, the homemade pulley takes only a few minutes to set up, and you can leave the pulley up for your kids to play with all year round. This pulley is best set up outside, but can also be done indoors.

• Clothesline
• 2 clothesline pulleys

#13: Light Refraction

• Teaches Kids About: Light

This light refraction experiment takes only a few minutes to set up and uses basic materials, but it's a great way to show kids how light travels. You'll draw two arrows on a sticky note, stick it to the wall, then fill a clear water bottle with water. As you move the water bottle in front of the arrows, the arrows will appear to change the direction they're pointing. This is because of the refraction that occurs when light passes through materials like water and plastic.

• Sticky note
• Transparent water bottle

#14: Nature Journaling

• Teaches Kids About: Ecology, scientific observation

A nature journal is a great way to encourage kids to be creative and really pay attention to what's going on around them. All you need is a blank journal (you can buy one or make your own) along with something to write with. Then just go outside and encourage your children to write or draw what they notice. This could include descriptions of animals they see, tracings of leaves, a drawing of a beautiful flower, etc. Encourage your kids to ask questions about what they observe (Why do birds need to build nests? Why is this flower so brightly colored?) and explain to them that scientists collect research by doing exactly what they're doing now.

• Blank journal or notebook
• Pens/pencils/crayons/markers
• Tape or glue for adding items to the journal

#15: DIY Solar Oven

• Teaches Kids About: Solar energy

This homemade solar oven definitely requires some adult help to set up, but after it's ready you'll have your own mini oven that uses energy from the sun to make s'mores or melt cheese on pizza. While the food is cooking, you can explain to kids how the oven uses the sun's rays to heat the food.

• Aluminum foil
• Knife or box cutter
• Permanent marker
• Plastic cling wrap
• Black construction paper

#16: Animal Blubber Simulation

• Teaches Kids About: Ecology, zoology

If your kids are curious about how animals like polar bears and seals stay warm in polar climates, you can go beyond just explaining it to them; you can actually have them make some of their own blubber and test it out. After you've filled up a large bowl with ice water and let it sit for a few minutes to get really cold, have your kids dip a bare hand in and see how many seconds they can last before their hand gets too cold. Next, coat one of their fingers in shortening and repeat the experiment. Your child will notice that, with the shortening acting like a protective layer of blubber, they don't feel the cold water nearly as much.

• Bowl of ice water

#17: Static Electricity Butterfly

This experiment is a great way for young kids to learn about static electricity, and it's more fun and visual than just having them rub balloons against their heads. First you'll create a butterfly, using thick paper (such as cardstock) for the body and tissue paper for the wings. Then, blow up the balloon, have the kids rub it against their head for a few seconds, then move the balloon to just above the butterfly's wings. The wings will move towards the balloon due to static electricity, and it'll look like the butterfly is flying.

• Tissue paper
• Thick paper
• Glue stick/glue

#18: Edible Double Helix

• Teaches Kids About: Genetics

If your kids are learning about genetics, you can do this edible double helix craft to show them how DNA is formed, what its different parts are, and what it looks like. The licorice will form the sides or backbone of the DNA and each color of marshmallow will represent one of the four chemical bases. Kids will be able to see that only certain chemical bases pair with each other.

• 2 pieces of licorice
• 12 toothpicks
• Small marshmallows in 4 colors (9 of each color)
• 5 paperclips

#19: Leak-Proof Bag

• Teaches Kids About: Molecules, plastics

This is an easy experiment that'll appeal to kids of a variety of ages. Just take a zip-lock bag, fill it about ⅔ of the way with water, and close the top. Next, poke a few sharp objects (like bamboo skewers or sharp pencils) through one end and out the other. At this point you may want to dangle the bag above your child's head, but no need to worry about spills because the bag won't leak? Why not? It's because the plastic used to make zip-lock bags is made of polymers, or long chains of molecules that'll quickly join back together when they're forced apart.

• Zip-lock bags
• Objects with sharp ends (pencils, bamboo skewers, etc.)

#20: How Do Leaves Breathe?

• Teaches Kids About: Plant science

It takes a few hours to see the results of this leaf experiment , but it couldn't be easier to set up, and kids will love to see a leaf actually "breathing." Just get a large-ish leaf, place it in a bowl (glass works best so you can see everything) filled with water, place a small rock on the leaf to weigh it down, and leave it somewhere sunny. Come back in a few hours and you'll see little bubbles in the water created when the leaf releases the oxygen it created during photosynthesis.

• Large bowl (preferably glass)
• Magnifying glass (optional)

#21: Popsicle Stick Catapults

Kids will love shooting pom poms out of these homemade popsicle stick catapults . After assembling the catapults out of popsicle sticks, rubber bands, and plastic spoons, they're ready to launch pom poms or other lightweight objects. To teach kids about simple machines, you can ask them about how they think the catapults work, what they should do to make the pom poms go a farther/shorter distance, and how the catapult could be made more powerful.

• Popsicle sticks
• Rubber bands
• Plastic spoons
• Paint (optional)

#22: Elephant Toothpaste

You won't want to do this experiment near anything that's difficult to clean (outside may be best), but kids will love seeing this " elephant toothpaste " crazily overflowing the bottle and oozing everywhere. Pour the hydrogen peroxide, food coloring, and dishwashing soap into the bottle, and in the cup mix the yeast packet with some warm water for about 30 seconds. Then, add the yeast mixture to the bottle, stand back, and watch the solution become a massive foamy mixture that pours out of the bottle! The "toothpaste" is formed when the yeast removed the oxygen bubbles from the hydrogen peroxide which created foam. This is an exothermic reaction, and it creates heat as well as foam (you can have kids notice that the bottle became warm as the reaction occurred).

• Clean 16-oz soda bottle
• 6% solution of hydrogen peroxide
• 1 packet of dry yeast
• Dishwashing soap

#23: How Do Penguins Stay Dry?

Penguins, and many other birds, have special oil-producing glands that coat their feathers with a protective layer that causes water to slide right off them, keeping them warm and dry. You can demonstrate this to kids with this penguin craft by having them color a picture of a penguin with crayons, then spraying the picture with water. The wax from the crayons will have created a protective layer like the oil actual birds coat themselves with, and the paper won't absorb the water.

• Penguin image (included in link)
• Spray bottle
• Blue food coloring (optional)

#24: Rock Weathering Experiment

• Teaches Kids About: Geology

This mechanical weathering experiment teaches kids why and how rocks break down or erode. Take two pieces of clay, form them into balls, and wrap them in plastic wrap. Then, leave one out while placing the other in the freezer overnight. The next day, unwrap and compare them. You can repeat freezing the one piece of clay every night for several days to see how much more cracked and weathered it gets than the piece of clay that wasn't frozen. It may even begin to crumble. This weathering also happens to rocks when they are subjected to extreme temperatures, and it's one of the causes of erosion.

• Plastic wrap

#25: Saltwater Density

• Teaches Kids About: Water density

For this saltwater density experiment , you'll fill four clear glasses with water, then add salt to one glass, sugar to one glass, and baking soda to one glass, leaving one glass with just water. Then, float small plastic pieces or grapes in each of the glasses and observe whether they float or not. Saltwater is denser than freshwater, which means some objects may float in saltwater that would sink in freshwater. You can use this experiment to teach kids about the ocean and other bodies of saltwater, such as the Dead Sea, which is so salty people can easily float on top of it.

• Four clear glasses
• Lightweight plastic objects or small grapes

#26: Starburst Rock Cycle

With just a package of Starbursts and a few other materials, you can create models of each of the three rock types: igneous, sedimentary, and metamorphic. Sedimentary "rocks" will be created by pressing thin layers of Starbursts together, metamorphic by heating and pressing Starbursts, and igneous by applying high levels of heat to the Starbursts. Kids will learn how different types of rocks are forms and how the three rock types look different from each other.

• Toaster oven

#27: Inertia Wagon Experiment

• Teaches Kids About: Inertia

This simple experiment teaches kids about inertia (as well as the importance of seatbelts!). Take a small wagon, fill it with a tall stack of books, then have one of your children pull it around then stop abruptly. They won't be able to suddenly stop the wagon without the stack of books falling. You can have the kids predict which direction they think the books will fall and explain that this happens because of inertia, or Newton's first law.

• Stack of books

#28: Dinosaur Tracks

• Teaches Kids About: Paleontology

How are some dinosaur tracks still visible millions of years later? By mixing together several ingredients, you'll get a claylike mixture you can press your hands/feet or dinosaur models into to make dinosaur track imprints . The mixture will harden and the imprints will remain, showing kids how dinosaur (and early human) tracks can stay in rock for such a long period of time.

• Used coffee grounds
• Wooden spoon
• Rolling pin

#29: Sidewalk Constellations

• Teaches Kids About: Astronomy

If you do this sidewalk constellation craft , you'll be able to see the Big Dipper and Orion's Belt in the daylight. On the sidewalk, have kids draw the lines of constellations (using constellation diagrams for guidance) and place stones where the stars are. You can then look at astronomy charts to see where the constellations they drew will be in the sky.

• Sidewalk chalk
• Small stones
• Diagrams of constellations

#30: Lung Model

By building a lung model , you can teach kids about respiration and how their lungs work. After cutting off the bottom of a plastic bottle, you'll stretch a balloon around the opened end and insert another balloon through the mouth of the bottle. You'll then push a straw through the neck of the bottle and secure it with a rubber band and play dough. By blowing into the straw, the balloons will inflate then deflate, similar to how our lungs work.

• Plastic bottle
• Rubber band

#31: Homemade Dinosaur Bones

By mixing just flour, salt, and water, you'll create a basic salt dough that'll harden when baked. You can use this dough to make homemade dinosaur bones and teach kids about paleontology. You can use books or diagrams to learn how different dinosaur bones were shaped, and you can even bury the bones in a sandpit or something similar and then excavate them the way real paleontologists do.

• Images of dinosaur bones

#32: Clay and Toothpick Molecules

There are many variations on homemade molecule science crafts . This one uses clay and toothpicks, although gumdrops or even small pieces of fruit like grapes can be used in place of clay. Roll the clay into balls and use molecule diagrams to attach the clay to toothpicks in the shape of the molecules. Kids can make numerous types of molecules and learn how atoms bond together to form molecules.

• Clay or gumdrops (in four colors)
• Diagrams of molecules

#33: Articulated Hand Model

By creating an articulated hand model , you can teach kids about bones, joints, and how our hands are able to move in many ways and accomplish so many different tasks. After creating a hand out of thin foam, kids will cut straws to represent the different bones in the hand and glue them to the fingers of the hand models. You'll then thread yarn (which represents tendons) through the straws, stabilize the model with a chopstick or other small stick, and end up with a hand model that moves and bends the way actual human hands do.

• Straws (paper work best)
• Twine or yarn

#34: Solar Energy Experiment

• Teaches Kids About: Solar energy, light rays

This solar energy science experiment will teach kids about solar energy and how different colors absorb different amounts of energy. In a sunny spot outside, place six colored pieces of paper next to each other, and place an ice cube in the middle of each paper. Then, observe how quickly each of the ice cubes melt. The ice cube on the black piece of paper will melt fastest since black absorbs the most light (all the light ray colors), while the ice cube on the white paper will melt slowest since white absorbs the least light (it instead reflects light). You can then explain why certain colors look the way they do. (Colors besides black and white absorb all light except for the one ray color they reflect; this is the color they appear to us.)

• 6 squares of differently colored paper/cardstock (must include black paper and white paper)

#35: How to Make Lightning

• Teaches Kids About: Electricity, weather

You don't need a storm to see lightning; you can actually create your own lightning at home . For younger kids this experiment requires adult help and supervision. You'll stick a thumbtack through the bottom of an aluminum tray, then stick the pencil eraser to the pushpin. You'll then rub the piece of wool over the aluminum tray, and then set the tray on the Styrofoam, where it'll create a small spark/tiny bolt of lightning!

• Pencil with eraser
• Aluminum tray or pie tin
• Styrofoam tray

#36: Tie-Dyed Milk

• Teaches Kids About: Surface tension

For this magic milk experiment , partly fill a shallow dish with milk, then add a one drop of each food coloring color to different parts of the milk. The food coloring will mostly stay where you placed it. Next, carefully add one drop of dish soap to the middle of the milk. It'll cause the food coloring to stream through the milk and away from the dish soap. This is because the dish soap breaks up the surface tension of the milk by dissolving the milk's fat molecules.

• Shallow dish
• Milk (high-fat works best)

#37: How Do Stalactites Form?

Have you ever gone into a cave and seen huge stalactites hanging from the top of the cave? Stalactites are formed by dripping water. The water is filled with particles which slowly accumulate and harden over the years, forming stalactites. You can recreate that process with this stalactite experiment . By mixing a baking soda solution, dipping a piece of wool yarn in the jar and running it to another jar, you'll be able to observe baking soda particles forming and hardening along the yarn, similar to how stalactites grow.

• Safety pins
• 2 glass jars

Summary: Cool Science Experiments for Kids

Any one of these simple science experiments for kids can get children learning and excited about science. You can choose a science experiment based on your child's specific interest or what they're currently learning about, or you can do an experiment on an entirely new topic to expand their learning and teach them about a new area of science. From easy science experiments for kids to the more challenging ones, these will all help kids have fun and learn more about science.

What's Next?

Are you also interested in pipe cleaner crafts for kids? We have a guide to some of the best pipe cleaner crafts to try!

Looking for multiple different slime recipes? We tell you how to make slimes without borax and without glue as well as how to craft the ultimate super slime .

Want to learn more about clouds? Learn how to identify every cloud in the sky with our guide to the 10 types of clouds .

Want to know the fastest and easiest ways to convert between Fahrenheit and Celsius? We've got you covered! Check out our guide to the best ways to convert Celsius to Fahrenheit (or vice versa) .

Christine graduated from Michigan State University with degrees in Environmental Biology and Geography and received her Master's from Duke University. In high school she scored in the 99th percentile on the SAT and was named a National Merit Finalist. She has taught English and biology in several countries.

Ask a Question Below

Have any questions about this article or other topics? Ask below and we'll reply!

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Hands On As We Grow®

Hands on kids activities for hands on moms. Focusing on kids activities perfect for toddlers and preschoolers.

50 Amazingly Simple Science Experiments for Kids at Home

Science Kindergartners Preschoolers Experiment Resources 30 Comments

Kids love experimenting , and these 50 simple science experiments for kids at home from Brigitte are perfect for all ages! Plus, you probably already have the basic supplies at home.

My daughters and I have had a lot of fun doing science experiments. Each year when we create our spring and summer list , we make sure to include “science days” which are days filled with science experiments.

Sometimes our science experiments don’t work according to plan, but I have been told that all scientists have failures with experiments from time to time.

It’s okay if they aren’t all successes.

Get the FREE Science Experiments Download

50 Simple Science Experiments with Supplies You Already Have

I love these 50 simple science experiments for you to try with your little scientists. They all use basic household supplies that you probably already have at home!

Most of these are experiments my daughters and I have done together. I hope you enjoy them as much as we have!

Get little ones involved with these easy toddler-friendly science experiment ideas!

Simple Science Experiments with Water

Not only can water  be a blast to play in, but water plus a few basic supplies equals a lot of science fun!

• Make an orange sink and float with an orange buoyancy experiment from Playdough to Plato.
• Compare the amount of salt in different types of water with this salty egg experiment  as seen on Uplifting Mayhem.
• Do a little more sinking or floating with a fun sink or float experiment  even toddlers can do from Hands On As We Grow.
• Use the free printable to record what sinks or floats in an outdoor experiment from Buggy and Buddy.
• Create some beautiful pieces of paper with this rainbow paper experiment from Science Kiddo.
• Talk about solutions as you try the “what dissolves in water” experiment  as seen on Hands On As We Grow.
• Learn about water absorption with this simple experiment from Little Bins for Little Hands.
• Mix some fun colors with this oil and water experiment  from Fun Learning for Kids.
• Make your own lava lamp , just like on  Hands On As We Grow.
• Can you keep all the water in the bag? Try it with a  leak-proof bag experiment  as seen on Hands On As We Grow.
• Learn about surface tension with this  magic finger pepper experiment  found on Hands On As We Grow.
• Make your own  water cycle in a bottle  as seen on A Dab of Glue Will Do.

Simple Science Experiments with Baking Soda and Vinegar

Baking soda + vinegar = a great chemical reaction! This fizzy reaction can fuel a variety of simple science experiments at home.

First of all, we have tested and found out the absolute best combination of baking soda and vinegar to get the best reaction possible. It makes a difference if you add vinegar to baking soda or vice versa! And how much you use!

• Inflate a balloon without blowing into it with a baking soda and vinegar balloon experiment  as seen on Little Bins for Little Hands.
• Practice colors as you do a baking soda and vinegar with color experiment as seen on Hands On As We Grow.
• Have fun outside with an outdoor volcano eruption  as seen on Preschool Inspirations.
• Have more volcano fun by making apple volcanoes as seen on The Resourceful Mama.
• Learn about acids and bases and the chemical reaction that occurs when you make apple seeds dance with a   jumping apple seeds experiment  as seen on JDaniel4s Mom.
• Watch some rice dance with a   dancing rice experiment as seen on Green Kid Crafts.
• Continue your dance party by making raisins dance with a dancing raisin experiment  as seen on 123 Homeschool 4 Me. What other items can you get to dance?
• Learn more about acids and bases by dissolving a sea shell as seen on Teach Beside Me.
• Make an egg shell disappear with this disappearing egg activity  as seen on Premeditated Leftovers.
• See how far you can launch a soda bottle with this baking soda powered boat as seen on Science Sparks.
• Make your own rocks (or eggs) with this fizzy treasure rocks experiment as seen on Living Life and Learning.
• Have some fun this summer with this frozen vinegar experiment as seen on Inspiration Laboratories.

Plant Themed Simple Science Experiments

Enjoy learning about seeds, plant parts, and how plants grow with these simple science experiments.

• Learn about how plants soak up water through their stems with a flower experiment for kids  from Growing A Jeweled Rose.
• Watch seeds sprout as you grow seeds in a jar  as seen on Teaching Mama.
• Learn about the parts of the seed with a seed coat experiment as seen on Gift of Curiosity.
• Build a house out of sponges and then watch it sprout with this sprout house as seen on The Stem Laboratory.
• Learn what liquids allow seeds to grow the best with this seed experiment  as seen on Gift of Curiosity.
• Explore how plants grow towards the light with this shoe-box maze experiment from Plants for Kids.

Animal Themed Simple Science Experiments

Learning about animals can be even more fun with some simple hands-on simple science experiments.

• Find out more about giraffes and create some giraffe spots  as seen on Preschool Powol Packets.
• Learn about how animals in the Arctic keep warm by making an arctic glove  as seen on Steve Spangler Science.
• Discover how penguins stay dry with a penguin feather experiment as seen on Raising Little Superheroes.
• Learn about different bird beaks with a bird beak experiment as seen on Blessed Beyond a Doubt.
• Explore how fish (and hermit crabs) breathe with this gill experiment  as seen on Preschool Powol Packets.
• Learn about sharks with a   shark buoyancy experiment as seen on Little Bins for Little Hands.

Even More Simple Science Experiment for Kids at Home!

If you are still looking for more science fun, you may enjoy the following simple science experiments.

• Find out how sugary drinks hurt teeth with an  eggs-periment  as seen on Feels Like Home Blog.
• Discover geodes (the state rock of Iowa) with this eggshell geode crystal experiment  as seen on Science Bob.
• Learn about air pressure with an egg and bottle experiment  as seen on Science Sparks.
• Find out what causes an apple to brown with this apple science experiment  as seen on Teach Beside Me.
• Make an  edible bubble apple with an experiment as seen on Preschool Powol Packet.
• Learn more about surface tension with a penny and water experiment  as seen on Artful Parent.
• Mix colors like magic with this color changing milk experiment  from Hands On As We Grow.
• Blow up a balloon with this soda and balloon experiment from Learn Play Imagine.
• Practice letters by making beautiful crystal letters as seen on Books and Giggles.
• Make your own indoor hovercraft  as seen on Living Life and Learning.
• Learn about colors with this beautiful butterfly chromatography craft  as seen on Buggy and Buddy.
• Make soap souffle  as seen on Steve Spangler Science.
• After talking about liquids and solids (and finding them in your own home), create oobleck  as seen on Babble Dabble Do. Is it a liquid, or is it a solid?
• Learn about frost by making some indoor frost as seen on Little Bin for Little Hands.
• Make your own homemade butter in a jar as seen on Happy Hooligans.

What scientific experiment will you try first?

About Brigitte Brulz

Brigitte Brulz is a homeschooling mom of two daughters, wife of her high school sweetheart, and author of Jobs of a Preschooler and Pickles, Pickles, I Like Pickles. She offers free coloring pages and activity ideas on her website at BrigitteBrulz.com .

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30 comments.

college brawl says

March 13, 2024 at 1:05 am

Wow, these experiments look like so much fun! I can’t wait to try them out with my kids. We’re always looking for new and creative ways to learn about science at home, and these experiments look like they’ll be perfect for us. Thanks for sharing! 😊

threadsBay says

August 31, 2023 at 3:13 am

I love science experiments! This one is really simple and easy to do.

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32 Cool Science Experiments for Kids (that are Fun AND Easy!)

Do you ever want to do science experiments at home with your kids, but you’re not quite sure what to do? Not just any old kitchen science experiment will do – you want something cooler than vinegar + bicarb soda! But, you also want something simple and easy to do – because no-one wants a huge mess from their kids doing crazy science experiments at home!

We understand, and that’s why the writing team here at STEM Geek has put our heads together to come up with the most awesome at-home science experiments for kids! As science enthusiasts and educators, we also wanted to make sure that these are genuine science learning opportunities. So not only are they captivating for the kids, but we also emphasize what questions can be asked as kids explore and apply the scientific method! Plus, we’ve arranged them according to how much time they take: up to 1 hour, 1 to several hours, and long-term.

Related Post: Ultimate Boredom Buster: 101 Things To Do When Kids Are Bored

Science Experiments at Home that take Less than 1 Hour

1. tie-dye milk.

Sounds delicious, right? You’re not actually drinking it, but instead watching science magic happens when you combine dish soap with milk and food coloring. This is a very pretty experiment that draws the focus and mind into what’s happening on the plate, and all because of a little chemistry with everyday items. Well, food dye may not be an everyday item, but it might be after your kids get a hold of this!

So, what’s going on here, scientifically-speaking? Milk is made up of two major ingredients: water and fat. When you add a little dish soap, it bonds with the fat in the milk so strongly that it literally pushes the food coloring and water away from the cotton ball. On a microscopic level, the dish soap is wandering around the milk, which causes the colors to swirl and swirl.

Questions to ask beforehand:

• Before knowing what will happen to the food coloring, ask the kids what they think will happen when dish soap mixes with milk.
• Since the major catalyst is fat in the milk, what would happen if you used other types of milk: Skim milk, soy milk, coconut milk?

You’ll need:

• Round cake pan or plate with high edges
• Cotton ball (some tutorials show cotton swabs)
• Dish detergent
• Different colors of food dye (three or four should do)

Procedure/Instructions:

• Fill the pan halfway with milk.
• Drip one color of food dye in one section of the plate away from the center. Four to five drops works and later you can play around with more or less. Do the same for the rest of the colors around the plate.
• Soak the cotton ball in dish detergent, and when you’re ready for action, place the cotton ball into the center of the pan.
• Watch the colors racing around, creating a psychedelic tie-dye effect!
• You can add more cotton balls throughout the dish to see more action.
• If some food coloring hugs the wall of the plate, take a cotton swab dipped in dish detergent and place it into the food coloring. It will move away!

2. Saturn’s Glowing Rings

I don’t know about you, but I love everything about space. This experiment shows you how Saturn’s rings are made of rocks and ice chunks even though they look so smooth in pictures. You’ll also see why there are big gaps in the rings. Younger kids take delight in using a flashlight and sprinkling powder, while older kids can get more specific with questions about Saturn and how the rocks and ice stay in orbit.

• Do Saturn’s rings give off their own light?
• Why are some rocks and ice chunks more lit up than others?
• Compare the results of light sprinkles to thicker sprinkles.
• Strong flashlight
• Powder (flour, baby powder, etc) in a shaker
• Very dark room
• Darken a room and set the flashlight on the edge of a table or counter, pointing it at a blank wall. Lay the newspaper on the floor between the flashlight and the wall.
• Turn on the flashlight and notice where the light comes from the flashlight and where it hits the wall. You should only see the light from these two places and not from the space between them. This shows you that the light travels through the air without being seen until it hits the wall. The light represents the sun’s light.
• Now to see how Saturn’s rings glow: Hold the powder shaker and sprinkle some powder over the beam of light where you know the light is traveling. You’ll notice the powder lights up and sparkles in the beam of light. The powder shows in glowing clumps, just like in Saturn’s rings.

3. Breaking Down Colors

We all know that the fun, vibrant colors we see in our lives are created by mixing the basic red, yellow, and blue. In this experiment, you and your child will learn which colors make up those fun shades they have in their art supplies. This also teaches some basic chemistry and uses materials you already have at home. It can be done very simply and expanded to create a large-scale investigation if you love it.

• Which colors separate out first?
• Is the same order for each test?
• Which colors make up the original shade?
• Do the different types of color (pen, pencil, paint) separate in the same way or differently?
• Are some separated in a shorter space are the colors the same mixture?
• Coffee filters
• Color sources (markers, colored pencils, paint, etc.)
• A plain pencil
• To complete this experiment, cut the coffee filters into strips, mark one end with a line the same distance from the bottom on each strip.
• Color in each strip (between the bottom and line) with your colors, and write at the top what the color and source are (e.g., purple marker).
• Place each strip in a glass and help it to stand up by folding the top over a pencil (a chopstick, table knife, or any long narrow object will also work) so that it stands up in the glass.
• Fill the glass up to the top of your colored block, and wait. The water will move up the filter, and the colors will separate out as it goes.
• Remove the strip once the water gets near the top of the strip to stop the experiment. 

To make this a true experiment, we recommend testing multiple colors and using markers, colored pencils, and paint (as some starting examples). You could test the same colors from each type of art supply to investigate whether they all use the same mix of basic colors to create the same end product.

This post has a nice full description of the methods if you need more detail.

4. Water Xylophone

This simple experiment will teach your child about sound and pitch using glasses, water, and something to act as a mallet. Don’t let the simplicity deceive you, there are a lot of ways to experiment and learn through this process, and it also brings in an element of music that makes it interesting and engaging.

• Do you think more water makes the sound higher or lower in pitch?
• How do you think the shape or size of the glass will affect the sound?
• How should we arrange the glasses to play a simple song?
• Do you think this will work with a plastic cup, why or why not?
• Some glasses
• Something wood to act as a mallet (we recommend wood so you don’t break the glasses!)
• A great way to start is with glasses that are the same size, shape, and material, and filling them with different amounts of water.
• Have your child use the mallet to test how the amount of water affects the sound.
• From there, it’s a really simple extension to use different sized and shaped glasses (or any glass vessel like jars and bowls) to experiment with how the shape, size, and amount of water in the glass affect the tone. 

To take this one further and really bring in the musical component, you and your child could work out a simple song and create the right tones to play it. If you or your child are musical, you could get very elaborate and creative (try googling harry potter or star wars theme songs on glasses, there are so many options that I couldn’t even choose one)!

5. Ultimate Bottle Flipping

Ah, bottle flipping. The fad that kids can’t get enough of, but parents are well and truly over. The constant thud of semi-filled water bottles being tossed (and hopefully landing upright) is guaranteed to send parents around the twist!

If you can stand it for a bit longer though, there’s a lot of STEM knowledge to be gained in this bottle flipping experiment. As we know, the aim of bottle flipping is to flip a partially filled water bottle underhand and get it to land upright.

In this experiment, kids will learn the importance of observing a result multiple times before changing a variable (the amount of water in the bottle).

• How much water should you put in the bottle?
• What is the ideal amount of liquid to get the perfect flip?
• What should be the ideal amount of water?
• Was their prediction correct?
• Why do they think the amount of water affects the chances of landing the bottle?
• A plastic water bottle
• Measuring jug
• Paper to record results
• Get the kids to start by flipping their bottle with no water in it at all. Kidspot recommends flipping it 50 times for each step, but you could do less if you need to.
• Try it again with 50ml of water.
• Keep adding more water until the bottle is full.

If they’re keen, you could try other types or sizes of bottles, or even try different liquids to see if that affects the results!

6. Rainbow in a Jar

This simple science experiment is not only very visually appealing, but it’s also a great way to learn about the density of liquids. Warning though, this one could get messy so make sure kids are in some old clothes and you might want to take it outside! I like this experiment because you’ll probably have most of the materials in your kitchen already!

• Which liquids they think will be heaviest?
• Which ones will be lightest?
• Why do they think that?
• A glass jar
• Food coloring
• Various liquids like honey, corn syrup, dishwashing liquid, olive oil, rubbing alcohol and water.
• Use the food coloring to make all your liquids a different color. A dropper comes in handy here, but if you don’t have one you can manage without.
• Slowly add each liquid to the jar (pouring into the middle of the jar is best).
• Soon, you’ll have different layers of colored liquid forming your very own rainbow in a jar.

You might even get them to draw a diagram of what they think the jar will look like at the end. They can compare this with the experiment results to see if their prediction was correct.

It might also help to talk to your kids first about what density is and how materials are all made of different amounts of molecules. The more molecules a liquid has, the heavier it will be. Playdough to Plato demonstrates a great way of introducing this concept using marbles. 

7. Write Your Own Secret Messages! 

We love science experiments that are made up primarily of supplies that you likely already have in your home.

• Why do you think this will work?
• Which liquid do you think will make the best secret message?
• Why do people write secret messages?
• Juice (eg. Lemon)
• Lamp (or anything else that can be used as a heat source)
• In order to complete this experiment, you’ll need to gather all of your supplies along with a piece of paper, some q-tips, and a lamp or other item that you can use as a heat source.
• Next, you’ll mix your lemon juice with a slight amount of water. 
• Using your q-tip, use the mixture you’ve created to begin writing your message. 
• Allow it to dry. 
• Once dry, apply heat to it in order to get your message to appear.

Extend this project by attempting to write with a juice and water mixture, a milk and water mixture, or any other variation of the liquids we listed as necessary supplies!

8. Create Your Own Butterfly

Your little ones will love practicing their color mixing by creating their very own coffee filter butterflies. Hang them in the windows of your home to spread some cheer and to watch the sun flow through their beautiful wings! 

• What colors can mix together to make other colors?
• How do butterflies fly?
• What do you think will happen when we add water to the markers?
• Water spray bottle
• Allow your child to draw on the coffee filter to their heart’s content.
• Spray it with water and allow the colors to mix together.
• Allow it to dry thoroughly.
• Once dry, fold it like a fan and then clip it in the middle.

Ta-da, you’ve created a beautiful butterfly! 

9. Make A Duck Call

Give your family an excuse to head outdoors by allowing your children to craft their own duck calls. Test them out at a local pond and see if you can get the ducks to come closer to you for a healthy veggie snack! 

• Do you think ducks will be able to hear us with this?
• What other materials do you think could make this noise?
• How is what we have created similar to a duck’s beak?
• Plastic straw
• Push down on the straw to flatten one end and then cut the flattened end into a point.
• Flatten out your straw and then blow into it.
• Feel free to experiment with different amounts of flattening and different point shapes to see how you can adjust the sound.
• When finished, take your duck call into the wild to test it out.

10. Make Ivory Soap Boats

Did you ever carve items out of soap at camp when you were a child? Give your child the same opportunity. Soap can be carved using safe items, like plastic knives. 

• Why are we able to carve soap so easily?
• Do you think our boats float?
• Why do you think they float or sink?
• Carving tools (for kids)
• Allow your child to express their creative side by carving their boat out of soap. 
• Once they have finished carving it, allow them to test them out in the bathtub. . Extend their learning by discussing density with them–the soap floats because it is less dense than the water.

11. Make Your Own Quicksand 

As John Mullaney famously said, “I thought quicksand would be a much bigger problem in my adult life than it would have turned out.” For some reason, quicksand permeates children’s adventure stories – and their imaginations! 

• Where can we find quicksand in real life?
• How do you think quicksand works?
• What do you think we will need to make our own quicksand?
• Cornflower (one cup)
• Water (half cup)
• A container
• To make your quicksand, you’ll need to mix the cornflour and water. 
• Be sure to stir slowly in order to demonstrate – if you stir too quickly, it will become hard and you won’t be able to see it function the way it should!

12. Make Your Own Lava Lamp

We’ve tried this one in our classrooms, and trust us, our kids go wild year after year. Kids love making something that they can use as home decoration, and they love how easy it is to show new people – this is the experiment that lives on and on! 

• How do you think density is involved in this experiment?
• Why don’t the water and oil mix?
• Why can’t we shake our lava lamps?
• Clear Plastic Bottle
• Vegetable Oil
• Food Coloring
• Alka-Seltzer
• Pour water into the plastic bottle until it is approximately one quarter full. 
• Then pour vegetable oil in until the bottle is almost completely filled. 
• Allow some time for the oil and water to separate. 
• It is important that your children do not shake the bottle in this step. It will extend the experiment for no other reason than you waiting for the bubbles to dissipate. 
• Add as much food coloring as your child deems fit and then drop a piece of Alka-seltzer tablet into the bottle for the lava lamp fun to begin.

13. Guess the Smell

This one will take a little more prep work, but it’s a great touchstone for your children to begin discussing one of their five senses: the sense of smell! 

• What are examples of times we use our sense of smell?
• What other senses do we have?
• If you could only use one sense for the rest of your life, which one?
• Plastic Cups
• Smells (eg. coffee, cinnamon, vanilla, lemon juice)
• Place a variety of common smells in small plastic cups. We like to use coffee, cinnamon, vanilla, and lemon juice. 
• Pour these in and place tin foil securely over the top of the cup. 
• Poke small holes in the top of the foil. 
• Secure the foil with tape (on the sides, not over the holes). 
• Allow your children to guess the smells and record their findings on paper.

Home Science Experiments that take 1 to Several Hours

14. mangrove bioshield  .

Ecologists and conservationists are pushing for more regulations in building and saving mangrove forests around coastal areas. The reason is represented in this STEM activity. The trees act as a mangrove BioShield (bio = life, shield = protection), showing how natural obstacles can prevent critical damage from marine natural disasters such as tsunamis.

The mangrove BioShield can be for older elementary kids through to high school. Obviously, the younger they are, the more parent involvement. This experiment is done twice to show the effects of having and not having a BioShield. The first part uses little to no trees, and the second uses a forest of trees and rocks.

• What will happen in a tsunami if the village is without a BioShield? And the village with a BioShield?
• Would a BioShield help with hurricanes?
• Would you want to encourage people to save manatee forests if they are beneficial?
• Medium to large clear, plastic container
• Newspaper – wad into balls, then cover half of the bottom container – this help to keep the ground sturdy
• Mud – cover the newspaper and press it in to form a slope down to the empty side of the container. The top side should be flattened for the cardboard houses, then it slopes down into the empty half of the container.
• Cardboard houses (use the bottoms of milk cartons for the house and popsicle sticks for the roofs, place houses on the mud towards the top of the high slope
• Model trees or leafy stems from plants – Different amounts for activity 1 and activity 2
• Several small rocks
• Cardboard – long enough to fit across the container and tall enough to hold it from out of the water
• Water – enough to go halfway up the slope

A tsunami without the mangrove forest – insert only one or two trees down the slope. Place the cardboard piece into the water end of the container and move back and forth to create waves. Notice how easy it is for the water to destroy the village you’ve created.

Repeat the process of constructing the village, but this time insert a lot of trees down the slope to where the water meets the mud. They need to be deeply rooted like mangroves, and I’ve found that aquarium plants work well for this reason. Place the rocks within the mangrove forest and in front of the trees. Add a little bit more water. Insert the cardboard again and move it back and forth to create waves.  

15. A Greater Crater

When you look at the night sky and see the moon, one of the first things you notice is its craters. The moon is completely covered in them, and some are so large we can see them from Earth. Meteorites often make the craters that we see when they hit the surface, but it makes us wonder why some craters are so much bigger than others.

This experiment will help you to investigate one of the main reasons why craters come in different sizes.

• What causes craters?
• How big do the meteorites have to be to make a crater?
• What is it about the meteorite that causes the size of the crater?
• Paper to record your results
• Flat floor surface for the experiment, large enough for the newspaper to cover
• Shallow metal pan at least 2 inches deep
• Flour to fill 2 inches of the pan
• ¼ cup hot chocolate powder
• Mesh strainer or flour sifter
• Large marble (and others of varying sizes if comparing results)
• Metric ruler
• Tongs or long tweezers
• Pour the flour into the pan until it reaches 2 inches. Place the pan on top of the newspaper on a level surface.
• Sift a layer of hot chocolate powder over the flour (this is so you can better see the rays and other features of the craters).
• You will be dropping your marble from three different heights, then comparing the sizes of the craters. Measure the diameter (side to side) of the marble and record this on your paper as Marble 1. Hypothesize how large the crater will be and write that next to the diameter of Marble 1.
• Stand next to your pan and hold the marble at knee height above the flour. Drop the marble (do not throw it, just let it fall from your fingers) into the flour and study the shape of the crater. Look for a rim around the crater or any rays coming from the edges.
• Measure across the widest part of your crater, from rim to rim and record on your data sheet as Marble 1 – Knee Height – Width or something similar. You can also draw a picture of your results.
• Very gently use the tongs or long tweezers to remove the marble without destroying the crater.
• Repeat this procedure from waist height, shoulder height, top of head height. Make sure you aim in different parts of the flour so you don’t land on top of another crater. Record all of your results as the different heights you’re using.
• Compare your results.
• You can try again with a different sized marble as “Marble 2” to compare those results with each height as done with Marble 1.

Perhaps now, you’ll look at the moon a little differently!

16. Rube Goldberg Chain Reaction Machine

We’ve all seen them, some pretty far-out there chain reaction machines to complete simple tasks, usually in movies. But they are real , and are becoming even more popular now that we’re all stuck at home for a while. This is a fun way to explore physics with stuff you have at home.

Ask your child to decide what the end goal is (e.g. get the ball into the cup), and ask them to think about creative ways to make it get there. Working together, you can start with small pieces of a circuit to find out how your ball reacts to the set-up, and grow it from there. You can even refer to this video for more ideas:

• What will happen when the ball bounces off of this wall?
• How will these dominoes change the speed of the ball?
• What can we use to make sure that the ball goes in the direction we want it to at this point?
• What should we put here to get the best bounce? 
• Paper towel
• Toilet paper tubes
• Fixed objects like walls or furniture
• Any other toys and materials that can be used to build your circuit

To make this a true experiment, it needs to include more than a one-off demonstration, and there are a lot of ways to accomplish this.

• Set up parallel courses and use different sized or weighted balls to go through the circuit.
• Set up one elaborate circuit and use different objects one at a time.
• Set up circuits in different ways to see how different set-ups affect your end goal.

Another experimental component is the process used to create a circuit that reaches your end goal ( like this video about getting the ball into the cup, but you could come up with lots of other endpoints!). Along the way, you and your child get a lot of time to learn about momentum, velocity, friction, energy transfer, and interference (e.g., the cat). 

17. Melting

This is a simple and fun experiment that can be set up in a short time and then fill-up your day with observations and new experiments. Using only things you already have at home, you can set-up an engaging experiment with your kids!

Ice melts at different rates depending on a variety of factors including temperature, pressure, and if there are impurities (think salt, sugar, dirt) in the ice or touching the ice. There is a lot of opportunities to get creative and do the experiment in multiple ways, keeping your kids engaged and developing their investigative, experimental, and critical thinking skills.

• Which ice melts the fastest, slowest, and if they have any guesses about why?
• What other ice-melting experiments they think would be fun: Using different temperature liquids? Using different amounts of ice? Different sized cups?
• Lots of ice
• Several matching cups (i.e., they are the same size, shape, and color)
• Measuring cups
• A variety of liquids for the test
• Paper for writing down observations
• Measure the same amount of ice and place it in each cup.
• M easure equal amounts of each liquid and place them in the cups: try to complete this part quickly so that the ice in each cup is in liquid for as close the same amount of time as possible.
• Set up your cups in a place that is easy for your child to watch and observe.
• Ask them to check in at regular intervals (every 15 minutes, every hour) and record or talk to you about their observations.

Other potential experimental examples:

• Using different liquids to test if they affect melting time;
• Using the same liquid and placing ice in different locations to test what conditions throughout your home affect melting;
• Test if different amounts of ice melt at different rates;
• Test if different kinds of cups change melting time.

There are endless possibilities for you to come up with new ways to complete these simple experiments. You get the idea. Explore more!

18. Breathing Leaves

Science experiments don’t get much more simple than this one!  It’s effective though and kids will enjoy watching their leaf ‘breathe’. Learning about plant science is often tricky because it can seem a bit abstract. This experiment allows kids to see the process of plants making oxygen right before their eyes!

A question to ask beforehand:

• What do you think will happen if we leave it for a few hours?
• A fresh leaf from a tree
• A bowl of water
• Pluck a fresh leaf from a tree and place it in a bowl of water.
• Use a rock to weigh it down and leave the experiment out in the sun.
• Have your kids predict what they think they will see when they come back in a few hours (they can write their prediction down or draw a diagram if that’s more their style).
• After a few hours, your kids will see lots of tiny little bubbles on the edge of the leaf and in the glass bowl of water (use a magnifying glass to get a closer look if you have one).

So, what’s happening here? Leaves take in carbon dioxide and convert it to oxygen during photosynthesis. The bubbles you can see are the leaf releasing the oxygen it’s created. You could explain to your kids how trees and plants make the oxygen we need to breathe. Kids Fun Science explains this experiment in more detail and suggests taking it further by leaving the plant for a longer period of time (do you see more or fewer bubbles?) or placing a leaf in a dark area to see what difference that makes!

19. How Does Sunscreen Work?

If there’s one thing I know, it’s that kids hate wearing sunscreen! Trying to get it on them is like wrestling a crocodile. Maybe if they knew how sunscreen worked they’d understand how important it is to wear it when they’re out in the sun (and be slightly more cooperative when we’re lathering it over their little faces). This is a simple experiment that shows kids the difference wearing sunscreen will make to their skin.

• What do they observe when they come back?
• Why do they think one side faded and the other not?
• A piece of colored cardboard (a dark color would be best)
• Your usual bottle of sunscreen
• Have your kids smear the sunscreen over one part of the cardboard and leave the other part clear.
• Kids can then predict what they think will happen when they return to the experiment after a few hours.
• Talk to them about how the sun’s UV radiation is absorbed by the sunscreen so it can’t get through to damage the cardboard.

You could even take it further by trying different kinds of sunscreen or leaving your cardboard out during different times of the day.

20. Make A Rubber Egg

Imagine a world in which eggs can be used like bouncy balls. Well, with a couple of home supplies and a little bit of science, you can live in that world. Your child will be dazzled as they remove eggshells from eggs while leaving the insides intact. 

• Is vinegar an acid or a base?
• Is there another substance that could do this?
• Simply leave the egg in the vinegar for a few hours and wait to see what happens. Because of the transformative nature of this experiment, it lends itself to science journaling. 
• Consider having your kiddos draw before and after pictures of the eggs in order to track their journeys. 

21. Flying Tea Bags

Nothing will get your kids’ attention faster than telling them that you are going to spend some time creating something that will fly. However, because this experiment will involve fire, please ensure that you select a time in which you will be able to provide ample adult supervision. 

• How do we stay safe with fire?
• How do we make sure we don’t damage the surface we are working on?
• Why do you think the tea bag will fly?
• Single Serving Tea Bags
• A Small Bowl
• A Non-Flammable Work Surface
• First, open the tea bags and unfold them. 
• Empty the leaves from the bag. 
• Stand the tea bags up on your surface and light the top of each bag on fire. 

As they begin to burn, they will float into the sky! 

22. Make Wax Paper Lanterns

Your children will love the chance to display their fantastic art skills by creating these paper lanterns. If you want to add a culture lesson, have your children research German’s St. Martin’s Day and learn about why children parade through the streets with lanterns. We promise there’s a good moral story involved here! 

• When could we use lanterns?
• What safety considerations do we need to use in this project?
• Why can we see the light through the wax paper?
• Popsicle Sticks
• To begin, tear a ten-inch piece of wax paper off of the roll and cut it in half. 
• After that, fold each piece in half. 
• Allow your child to color their image on top of the wax paper. (This is a great place for an impromptu lesson in color mixing). 
• Fold the wax paper and iron it (consider something in between the crayon mess and the iron you use on your clothes). 
• Finally, glue the craft sticks into squares, add the wax paper, and turn it into a cube.

Voila, you’ve created your own lantern!

23. Create an Insect Habitat

Alright, this one isn’t for the faint of heart. Draw up your courage and send your child into the backyard to collect all of the creepy crawlies they’d like to.

Now you have a home for them. Better yet, you can keep your child entertained for hours as they track the growth of their bug friends.

• What do bugs need to survive?
• What do bugs eat?
• What is the difference between a need and a want?
• Imagination
• Find something that you’re willing to sacrifice to the bugs in order to create a habitat for them – we recommend a shadowbox so that your child can see inside, but a cardboard box will do just fine as well. 
• Ensure that there is breathing room for the bugs. 
• Create a habitat with sticks, bark, small rocks, dried leaves, and whatever else you can find.
• If you’re willing to hang onto the habitat long enough, use it as an opportunity to talk about decomposition as the bugs begin to break down the twigs.

Long-Term Science Experiments at Home

24. crystal kingdom.

This is the oldest trick in the book, but it’s popular because it’s so effective, fun, and has great results. The only drawback to most crystal-growing recipes is that they take ages to grow, and to be quite honest this one is no exception. In fact, these crystals will take several days to grow but the end result is worth it. The reason is that this experiment involves growing a whole landscape of beautifully colored salt and bluing crystals. Here’s a video for visual reference: 

A few things to keep in mind: Allow for plenty of air circulation, preferably inside rather than outside. Ammonia is not necessary but does help in the process.

• What will happen when you add ammonia?
• Why does more salt and less liquid create faster crystallization?
• What part does the bluing solution have in crystal growing?

(Answers can be found here )

• Two bottles of bluing solution
• Large tray/cookie sheets with sides
• Measuring cup
• Liquid watercolors
• Eye droppers
• Cut sponges into large pieces. Spread them out on the tray.
• Measure out 1 cup of each of salt, water, and bluing and then gently mix together.
• Evenly coat or sprinkle the mix over the sponges.
• Add 1 cup of ammonia to the sponges.
• Coat an extra 1 cup of salt on to the sponges.
• By now you’ll see some crystals growing . Sprinkle the magic mix again: 1 cup each of salt, water, and bluing. You can pour the ingredients onto the tray instead of on top of the crystals to keep them from breaking. Don’t worry, more will grow!
• Take an eyedropper, and drop a tablespoon of each liquid watercolor (undiluted) in different patterns over the sponges and crystals.
• Take note of your garden and what the crystal formations look like. You can make a sketch in your notebook as a before and after. Ask questions and observe!
• Observe how the crystals are bigger than before, and notice the colors aren’t as vibrant. Compare the differences in shapes, sizes, and colors.
• If you want more crystals to grow, add a little more water, bluing, and salt.

25. Blow up a Balloon with Yeast

We are surrounded by science in action, but sometimes it is really difficult to see what is happening, especially when it is on a small-scale. When we make bread, yeast ‘eats’ the sugars in the food and creates CO2, giving bread its airy texture. This experiment lets you both visualize what happens when yeast consumes sugar and is a great set-up for an experiment that can be observed throughout the day.

Depending on your supplies and time, you could start with a demonstration and use that to think of other tests, or you could set up several parallel tests at the same time.

• How quickly does the balloon filled with air?
• When does it stop filling (at some point the yeast will run out of food and will stop making gas)?
• Does the starting temperature affect the experiment?
• Does the balloon fill faster in different places in your home (try especially for different air-temperatures, you could include an outside location)?
• Some balloons
• Blow up the balloon a few times before starting so that it’s loosened up a bit.
• Fill the bottle with about 1 inch of warm water (heat is required to activate the yeast, but you could experiment with different temperatures), add the yeast and swirl to dissolve.
• Add the sugar and swirl more.
• Place the balloon over the opening to the bottle and wait. You should expect to see the balloon begin to inflate after around 20 minutes.
• Continue checking and observing how much the balloon inflates throughout the day.

More example experimental setups include:

• Do different temperatures – either with the water you start with or the air the yeast lives in – affect how quickly the balloon blows-up?
• Does using 2x the yeast result in a balloon that is 2x bigger, or blows-up 2x faster?
• Do different types of sugar (e.g., white sugar, honey, syrup, flour) affect how quickly the balloon blows up or how big it gets?

A sk your child to think of new experiments (you could prompt with some of the examples above, or ideas from this post ). 

26. Seed Germination

A really simple but fun multi-day experiment is germinating seeds under different conditions. This means finding some quick-sprouting seeds such as beans and putting them in different conditions to see how that affects germination (sprouting leaves and roots) and growth.

I love using seed experiments because they are inexpensive, simple, and leave a ton of room for creating your own unique experiment.

• Which seed will sprout fastest?
• Seeds (Beans, radishes, squashes, and many flowers sprout quickly from large seeds, making them good choices.)
• Small pots or paper cups
• Potting soil
• Cloth or paper towel
• Somewhere with good light
• To get started, you’ll need some seeds – feel free to choose something you already have, if you’re a gardener you might have some seeds ready for the coming season and could spare a few – or find something online or at your local nursery.
• Use small pots or paper cups and fill each with your growth material (we recommend a minimum of 3 for a useful comparison).
• Fill one with potting soil, one with sand, and one with a cloth or paper towel.
• Place them somewhere with good light, and add water.
• Ask your child to predict which seed will sprout fastest, and make observations every day. If possible, make them around the same time each day.
• Once you see growth, you can ask your child what they think caused any differences, and you can use that as a jumping-off point for more experiments

Additionally, you could:

• Use one type of seed and different types of growth media: soil, paper towel, gravel, sand, water, etc.
• You could use different seeds (beans, flowers, grass, herbs) and grow them under the same conditions (soil, water, sun exposure) to see how different plants grow differently.
• You could see how different light conditions (by a window, in the basement, in a bright room away from a window, etc.) affect germination.

You could also extend each experiment by simply continuing to grow each seed to learn whether the different germination time affects long-term growth (you may want to re-pot everything in the soil for this to be effective, depending on the specifics of your initial experiment).

27. Colored Celery

It’s hard to imagine plants having little capillaries inside them that transport water and nutrients, but this experiment shows that in action. It’s easy to set up, but you’ll have to wait at least a day to see some results. Your kids will be able to see how transpiration takes place and plants absorb water from the soil all the way up into their leaves.

• A few stalks of celery (celery works best for this because it’s a bit more visible, but you could also use flower stems)
• Different food coloring
• Place each stalk in a cup of colored water and make your predictions about what will happen.
• After a day or so you’ll see the celery leaves becoming the color of the water they’re standing in.
• Have your kids describe their observations (they can write down what they see or draw it if they prefer).
• If you look at the base of the stem you’ll also see tiny little holes that the colored water is traveling through.

When you’re done with the experiment, make sure you snap the celery and look inside – you should be able to see the capillaries in action. For more ideas, Little Bins for Little Hands has got some great hints and tips for this experiment.

28. Moldy Bread

This experiment is an oldie, but a goodie! Kids love looking at disgusting things and this one will certainly come up with the goods. Not only will kids learn about how mold grows, but they might also take on some lessons about the importance of washing their hands!

You might want to check out the results of this experiment at Science Alert before you start to see if your stomach is up to it.

• A few slices of bread
• Some ziplock bags
• Sticky little hands. 
• Get a few slices of bread and lay them out on your kitchen bench.
• Have your kids touch one piece of bread with dirty, unwashed hands.
• They can wash their hands with soap and water and touch another slice, then do the same using hand sanitizer.
• Leave one piece of bread untouched.
• Place them all in clear, labeled ziplock bags and predict which one will grow the most mold.
• Leave your bread slices for at least a week (it may take a bit longer, depending on the conditions where you live) and get the kids to record their observations.

You can also try wiping your bread slices on other surfaces to see what moldy results you get (their laptop or tablet is a great place to start)!

29. Sprouting Beans

Give your household a real survivalist feel by beginning an indoor garden. We recommend planting your beans in a clear cup so that your children can be privy to all of the processes during the plant’s journey.

• How does a plant grow?
• What does germination mean?
• What is in season to grow in our area now?
• Unprocessed Beans
• If you’d like your child to see every step of the process, consider placing the beans inside of a damp paper towel inside of a ziplock. 
• You can wait, see the germinated seed together, and then plant it inside of a small cup.
• Once inside the cup, watch it grow.

Extend your work by planting various beans and altering the growth conditions in order see what makes your beans grow best! 

30. Begin Composting

Begin your “go green” resolutions by teaching your child the value of composting! Best of all, once the science experiment is done, your family will have a recycling process that will last your entire lifetimes. 

• Why is composting important?
• How else can our household go green?
• Why do we need a foundation layer for compost?
• Compost Bin
• Organic Material
• First, create a compost bin. You can purchase one or build one out of wood. 
• To begin your composting, you’ll need even amounts of brown materials (think shredded paper, dryer lint, etc.) and green materials (think fruit and vegetable waste, lawn clippings, etc.). 
• If you’re really feeling fancy, throw some earthworms in there.

For days to come, your family will be able to discuss what can and cannot be broken down by the decomposers inside of the compost bin. Never-ending science! 

31. Turn Grapes Into Raisins

Your kids may or may not eat raising – but we can guarantee you, they’ve likely never considered the option of creating their own! 

• What other snacks can we make with science?
• Should we ever eat our experiments?
• How does this work?
• For this experiment, you’ll need grapes. (Really, that’s it!) 

Leave your grapes somewhere where they will not be disturbed and use this as an opportunity for your children to journal the changes in the grapes from day to day. Believe it or not, this type of sequential journaling is a valuable literacy skill! 

32. DIY Science Experiment

The best science experiment your child can engage in is the one they create themselves! Begin brainstorming a list of questions and let the world be their oyster as they plan and carry out their own experiments. Some of our favorite brainstorming questions, from Scholastic’s Science-Fair Project Guide, are listed below:

• What is the effect of toothpaste brand on teeth-cleaning power?
• What brand of trash bag can withstand the most weight before ripping?
• How does the type of material affect how long a shirt takes to dry?

Written by Miranda Altice, Kaitlin Anselmo, Mark Coster, Allison Ebbets, and Jodie Magrath.

Mark is the driving force behind STEM Geek. With 20 years of experience in chemistry education and research, and 3 willing children as guinea pigs, Mark has a passion for inspiring kids and adults to combine fun and learning with STEM Toys!

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10 Toddler Science Activities that Are Full of Fun

May 4, 2018 by Sheryl Cooper

Last Updated on March 31, 2023 by Sheryl Cooper

Inside: This collection of toddler science activities are perfect for little explorers! Hands-on, fun, and full of learning opportunities!

Toddlers can be very curious about how things work.

In fact, you might hear “why?” a lot.

This is a good time to give them opportunities to investigate, finding answers to those “why” questions.

Simple, hands-on science exploration should be a part of your toddler curriculum . Simple, short ideas that work with their shorter attention spans.

Today I’m going to share  10 easy science activities for toddlers that you can easily add to your home or classroom.

Oh, and if you have other simple science ideas for young children, please share!

CLICK HERE to find science activities for preschoolers!

Exploring Sunflower Seeds : Strengthen those little fingers while pulling seeds from large sunflowers.

Painting on Ice Blocks : What happens to the paint as the ice starts to melt? Preschoolers love this activity, too!

What’s Magnetic : Fill a bin with large objects and a magnetic wand. Super easy! (Busy Toddler)

Which One is Heavier : This easy science activity only takes a couple of minutes to set up, using a child’s hanger and some paper cups. (Go Science Girls)

Will it Sink or Float : This is a favorite, mostly because it involves playing with water! (Hands On as We Grow)

Magnetic Discovery Bottle : Discovery bottles work well with toddlers because the small pieces are contained in the bottle. Move the wand and watch the pipe cleaner pieces move! (Frugal Fun 4 Boys and Girls)

Exploring Vegetable Seeds : This only takes a minute to set up! In fact, this would keep your toddler busy while you are fixing dinner. (Lemon Lime Adventures)

Magic Milk Science Experiment : Perfect for little ones who have not yet experienced chemical reactions. (Laughing Kids Learn)

Bubble Snake : Toddlers are learning how to blow bubbles, and they will love this easy DIY bubble snake activity! (One Little Project)

Color Surprise Eruptions : Add simple color recognition to this fun science activity. (Learn, Play, Imagine)

More toddler activities:

16+ Playful Toddler Alphabet Activities

30+ Toddler Indoor Activities

30+ Favorite Toddler Songs

Toddler and Preschool Activity Plans

Looking for an entire year’s worth of learning activities? We’ve done the work for you!

I have helped create each of these packets, along with a team of talented educators and homeschoolers.

Easy to follow lesson plans include activity modifications and adaptations to meet the needs of all learners.

Every theme comes with recommended reading lists, songs, material lists, and more.

Click on the graphics below for more details.

Toddlers (18 – 36 months):

Preschool (3 – 5 Years):

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About Sheryl Cooper

Sheryl Cooper is the founder of Teaching 2 and 3 Year Olds, a website full of activities for toddlers and preschoolers. She has been teaching this age group for over 25 years and loves to share her passion with teachers, parents, grandparents, and anyone with young children in their lives.

45 Easy Science Experiments for Kids

Hello, STEM! These simple DIY activities can be done at home or in school.

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Imagine blowing the biggest bubbles imaginable — or even making bubbles within bubbles. Or sending vessels — rockets, tea bags, airplanes — soaring through the sky for impossible distances. Now imagine making things explode, or change colors, or reveal hidden messages with just a few simple mixtures.

First off, it's good to start them off with the scientific method. Give them a journal to record their observations, questions, hypotheses, experiments, results and conclusions. As always, safety counts: wear goggles and coats or aprons if need be (sometimes kids get a kick out of how scientific the protective gear makes them look), and always make sure that the kids are supervised when doing them. (Warning: Some of these are messy!)

These experiments are mostly designed for preschoolers through elementary schoolers — with a couple that are either demonstrations or better for older kids — but if you have a younger one, you can check out these 1-year-old learning activities , toddler learning activities and preschool/kindergarten learning activities , some of which also cover STEM subjects.

Floating Fish

Here's another one that deals with solubility and density.

• Draw the outline of a fish on the bottom of a glass plate or tray in dry-erase marker. Retrace your drawing to make sure all the lines are connected. Let dry for a minute or two.
• Fill the measuring cup with tap water. Place the pour spout just inside the corner of the dish and add water very slowly until it just covers the bottom. Be careful not to pour water directly onto your drawing or make splashes near it. The water will move toward your drawing, eventually surrounding it. Observe what happens. If the water splashes or it doesn’t work on your first try, empty the dish, erase the drawing with a paper towel, dry off the dish, and try again.
• Tilt the dish slightly from side to side. What happens? Jot it down.

The ink in dry erase markers is engineered to be slippery. It’s made with a chemical that causes it to easily release from surfaces. (Permanent markers are made with a chemical that makes the ink stick to surfaces, so be sure not to use these in your experiment!)

The easy-release ink lets go from a surface, but why does it float? There are two reasons. First, dry erase ink isn’t soluble, which means it won’t dissolve in water. Second, dry erase ink is less dense than the water, so it becomes buoyant, meaning it can float. When you tilt the dish, the fish moves around on the water’s surface.

From Good Housekeeping Amazing Science: 83 Hands-on S.T.E.A.M Experiments for Curious Kids! See more in the book »

Brush, Brush!

This one will really get them into brushing their teeth once they scientifically prove all the good things that toothpaste can do.

• Write on sticky notes: Soda 1, Soda 2, Juice 1, and Juice 2. Place them in a row on a counter.
• Fill two glasses halfway with brown soda and place behind the Soda 1 and Soda 2 sticky notes. Fill two glasses halfway with lemon juice and place behind the Juice 1 and Juice 2 sticky notes.
• Carefully place one egg in the bowl. Squeeze a big dollop — about one tablespoon — of toothpaste on top of the egg and gently rub the toothpaste all around with your hands until the egg is completely covered in a thick layer of toothpaste. Repeat with a second egg.
• Gently submerge the toothpaste-covered eggs into the liquids: one egg in the glass labeled Soda 1 and the other egg in the glass labeled Juice 1. Wash and dry your hands.
• Gently submerge the remaining eggs, without toothpaste on them, in the remaining glasses: one in the glass labeled Soda 2 and the other in the glass of juice labeled Juice 2. Wash and dry your hands. Leave the eggs in the glasses for 12 hours.
• After 12 hours, remove the eggs from the glasses of soda one at a time. Rinse them in cool water and pat them dry with the towel. Place each egg by the sticky note of the glass it was in. Are the eggs the same or different colors?
• Remove the eggs from the glasses of juice one at a time. Rinse them under the faucet and pat them dry. Place each egg by the sticky note of the glass it was in. Feel the eggs gently. Does one feel stronger or weaker than the other?
• Write down your observations in your science notebook.

The eggshells in this experiment represent the enamel (outer coating) on your teeth. Toothpaste cleans your teeth and prevents stains: it removes food and drink particles that are stuck on your teeth. Teeth can be stained easily by dark-colored liquids like cola, coffee or tea. The egg without toothpaste will be brown and discolored. The egg covered in toothpaste was protected from turning brown.

Toothpaste also protects your pearly whites from decay (breaking down). The egg without toothpaste left in the lemon juice was worn down and soft to the touch, while the egg that was protected with toothpaste is stronger. The lemon juice is acidic, and those acids broke down the shell just as acidic drinks can wear away your tooth enamel. When a tooth is worn down, a cavity can form more easily. But the fluoride in toothpaste mixes with your saliva to create a protective coating around your tooth enamel. It helps keep your teeth strong and cavity-free.

Grow an Avocado Tree

For an easy lesson in Earth Science, your family can grow an avocado tree from a pit. You can buy an AvoSeedo kit , or just peel the seed and suspend it over water with toothpicks.

Get the tutorial »

Milk Bottle Xylophone

No for an experiment in sound!

• Arrange six glass jars or bottles, all the same size with no lids, in a line. What will each jar sound like when you tap it with a spoon? Make a prediction, then tap each jar. Record your observations.
• Next, put water in each of the jars. Pour 1⁄4 cup (60 ml) of water into the first jar. Add 1⁄2 cup (120 ml) of water to the second jar. Continue in 1⁄4-cup increments, adding 3⁄4 cup (180 ml) of water to the third jar, 1 cup (240 ml) of water to the fourth jar, 11⁄4 cups (300 ml) of water to the fifth jar, and 11⁄2 cups (360 ml) to the sixth jar. Add a couple of drops of food coloring to each jar.
• What will each jar sound like? Will they sound the same or different than when the container was empty? Will they sound the same or different from one another? Record your predictions.
• Tap each jar with a metal spoon. Write down your observations about each jar’s pitch (how high or low a sound is) in your notebook.

Sound waves are created by vibrations, which are back-and-forth movements that are repeated again and again. Pitch depends on the frequency of the waves — how many are created each second. A high pitch is created by high-frequency sound waves, and can sound squeaky. A low pitch is created by low-frequency sound waves, and sounds deep and booming.

When you tapped the jar, it vibrated. The vibrations traveled from the jar to the water to the air and eventually to your ears. The jars with more water had a low pitch. The sound waves vibrated more slowly because they had more water to travel through. The jars with less water had higher pitches. The sound waves vibrated faster because they had less water to travel through. A jar with no water in it makes the highest pitch because it has the least substance to travel through.

"Elephant Toothpaste"

Okay, elephants don't really brush with this stuff, which is made from a chemical reaction between hydrogen peroxide, yeast, dish soap and a few other simple ingredients. But this experiment has a big "wow" factor since, when the substances are mixed, the "toothpaste" foams out of the bottle. You can use it to teach kids about catalysts and exothermic reactions.

Get the tutorial at Babble Dabble Do »

DIY Compass

Explore the way magnetism works, and how it affects everyday objects, by magnetizing a needle and making a DIY compass. You can even spin the compass in the water, and it'll end up pointing the right way again.

Get the tutorial at STEAM Powered Family »

Craft Stick Chain Reaction

Kids can learn about the differences between potential and kinetic energy with this chain reaction. It makes a big impact: Once the tension is released, the pom poms go flying through the air!

Get the the tutorial at Science Sparks »

Color-Changing Invisible Ink

Kids will feel like super-spies when they use this heatless method to reveal pictures or colors written with "invisible ink." You can try different acid/base combinations to see which one makes the most dramatic result.

Get the tutorial at Research Parent »

Paper Bridge

Get the engineering back into STEM with this activity, which challenges kids to create a paper bridge that's strong enough to hold as many pennies as possible. How can they manipulate the paper to make it sturdier? (Hint: Fold it!)

See the paper bridge tutorial at KidsActivities.com »

Challenge your little scientist to lift up an ice cube with just a piece of string. It's possible ... with a little salt to help. Salt melts the ice and lowers the freezing point of the ice cube, which absorbs the heat from the water around it, making the water cold enough to re-freeze around the string.

Get the tutorial at Playdough to Plato »

Marshmallow Catapult

Another lesson in potential and kinetic energy, kids will love sending mini marshmallows flying in the name of science. Change some of the variables and see how that affects the marshmallow's trajectory.

Get the tutorial at Hello, Wonderful »

Leaf Breathing

It's hard for kids to picture how plants and trees "breathe" through their leaves — until they see the bubbles appear on a leaf that's submerged in water. You can also teach them about photosynthesis by putting different leaves in different spots with varying levels of sunlight.

Get the tutorial at KC EDventures »

Hoop-and-Straw Airplane

We all remember how to fold those classic, triangular paper airplanes, but these hoop-and-straw airplanes fly way better (and straighter). Experiment by changing the length of the straw and the size of the hoops and see how it affects the flight.

Get the tutorial at Mombrite »

Film Canister Rocket

Blast off! You don't need jet fuel to make these rockets go, just Alka-Seltzer tablets and baking soda, but they'll be amazed when they achieve lift-off! (Note: If you can't find old film canisters, tubes of Airborne work, too.)

Get the tutorial at Raising Lifelong Learners »

Coin Inertia

Stack up about five or so coins on a piece of cardboard and place it over a glass of water. Then, flick the cardboard out from on top of the glass. Do the coins drop into the water, or ride with the cardboard? Due to inertia, they drop into the water — a very visual (and fun!) demonstration of Newton's First Law of Motion.

Get the tutorial at Engineering Emily »

Apple Oxidation

What works best for keeping an apple from turning brown? Test to find out! Slice up an apple, and let each slice soak in a different liquid. Then take them out, lay them on a tray, and check the brownness after three minutes, six minutes and so on. Not only does this test the properties of different liquids, it also helps students practice the scientific method if they create hypotheses about which liquids would be most effective.

Get the tutorial at Jennifer Findley »

RELATED: 50 Fun Activities for Kids Will Keep Them Entertained for Hours

Coffee Ground Fossils

By making a salt dough with coffee grounds and pressing various shapes into it (toy dinosaur feet, seashells), kids can get a better understanding of how fossils are made. If you poke a hole in the top before it dries, the kids can hang their "fossils" up in their rooms.

Get the tutorial at Crafts by Amanda »

Chromatography Flowers

Chromatography is the process of separating a solution into different parts — like the pigments in the ink used in markers. If you draw stripes around a coffee filter, then fold it up and dip the tip in water, the water will travel up the filter and separate the marker ink into its different pigments (in cool patterns that you can display as a craft project). This family made the end-result even brighter by adding an LED circuit to the center.

Get the tutorial at Steam Powered Family »

Water Walking

You'll need six containers of water for this one: three with clear water, one with red food coloring, one with blue coloring, and one with yellow coloring. Arrange them in a circle, alternating colored and clear containers, and make bridges between the containers with folded paper towels. Your kids will be amazed to see the colored water "walk" over the bridges and into the clear containers, mixing colors, and giving them a first-hand look at the magic of capillarity.

Get the tutorial at Fun Learning for Kids »

Sunscreen Test

This experiment puts the A (art) in STEAM: Paint different designs on construction paper with different sunscreens, leave the papers out in the sun and compare the results. Then, hang your "conclusions" on your fridge.

Get the tutorial at Tonya Staab »

Marisa (she/her) has covered all things parenting, from the postpartum period through the empty nest, for Good Housekeeping since 2018; she previously wrote about parents and families at Parents and Working Mother . She lives with her husband and daughter in Brooklyn, where she can be found dominating the audio round at her local bar trivia night or tweeting about movies.

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Science Fun

Science Experiments for Kids:

Science experiments you can do at home!  Explore an ever growing list of hundreds of fun and easy science experiments. Have fun trying these experiments at home or use them for science fair project ideas. Explore experiments by category, newest experiments, most popular experiments, easy at home experiments, or simply scroll down this page for tons of awesome experiment ideas!

Making A Volcano:

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Jello Lenses:

Ice Fishing:

Super Cool Soda:

Jack-O-Cano:

Dancing Hearts:

Marbled Gift Wrap:

Massive Expanding Soap:

Surface Tension Art:

Fizzy Fruit:

Rotting Pumpkin:

Explode A Bag:

Invisible Extinguisher:

Paper Hovercrafts:

Fun Fossil Stamps:

Cool Crystals:

Balloon Pop! Not!

Solar Eclipse Kit:

Moldy Apples:

Cool Off Volcanoes:

Vinegar Pops:

Make It Rain:

Black Light Blue Beverage:

Changing of the Leaves:

Snowflakes:

Water Fireworks:

Mind of a Student:

Balloon Speakers:

Polar Bear Blubber:

Gorgeous Gooey Gobstoppers:

Olympic Medals:

Dyed Flowers:

Rain, Rain, Don’t Go Away Gauge:

Blossoming Beans:

Butter Fingers:

Polishing Pennies:

Dancing Liquid:

Floating Egg:

Bendy Bones:

Pot Of Gold:

Layers of Liquids:

Crystal Candy:

Easy Science Experiments for Kids

Looking for some easy experiments to do with the kids? We’ve got you covered with all of our favourite, easy science experiments for kids. The best part about all of these ideas is that they may be simple, but the lessons are powerful! Plus they can be adapted for a wide variety of ages and learning environments.

100+ Genius Easy Science Experiments for Kids

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Fun Science Experiments

First let’s kick things off with a list of easy science experiments for kids that we have done many times over and are a favourite of STEAM Powered Family readers around the world. Almost all of these projects use common household items and are tested by kids and teachers. We have science experiments for all ages, from preschool to middle school, even adults love to do these. The best part is that you can use these ideas to help students gain comfort and eventually mastery of the Scientific Method . This list is also a fantastic place to find ideas for your science fair projects.

Baking Soda and Vinegar Experiments

It is incredible the number of cool science experiments you can create from this one simple chemical reaction between Baking Soda and Vinegar . This endothermic reaction, is a classic acid and base chemical reaction.

Here is the chemical formula of this reaction

C 2 H 4 O 2  + NaHCO 3  -> NaC 2 H 3 O 2  + H 2 O + CO 2 vinegar + sodium bicarbonate -> sodium acetate + water + carbon dioxide

Some of our favourite baking soda and vinegar science activities of all time include Bottle Rockets , Fireworks Experiment , Baking Soda Oobleck , and Hatching Dinosaur Eggs . No matter which one you pick, you must try at least one vinegar and baking soda experiment when little scientists are first learning about chemistry.

Balloon Races – Physics Science Experiment

This fast paced, exciting science experiment explores the principles of physics and Newton’s Laws of Motion. It is so simple, kids won’t believe how much they are learning while having fun! Balloon Races make a fantastic activity for the classroom, camp, after school program or at home when the kids need to burn off some energy while learning!

Build a Compass – A Magnetism Science Experiment

Did you know it is actually very easy to build a compass ? All you need is a bowl of water, a needle and a cork! Have your children explore the same magnetic forces that inspired Einstein as a child in this fun science experiment.

Lollipop Layers Density Experiment

Density is such a fun phenomenon to explore, and in this version of a density experiment we are using candy! Lollipop layers is so simple, all you need is a bunch of lollipops or hard candies, water, and a patient hand. The result… GORGEOUS!

Greenhouse Effect Science Experiment

Climate change experiments are so important for helping foster a deep understanding in our students. In this Greenhouse Effect Science Experiment we learn how gas are changing the atmosphere and affecting global temperatures.

Volcano Experiment

A classic science project for kids, making a volcano can be as simple or as complex as you want to make it. The goal of the exercise, a big, bubbly reaction that is sure to WOW students. Here are some of our favourite Volcano Experiments we have done.

Have you ever made a Lava Lamp at home? This sensory science experiment is mesmerizing! Watching those bubbles bounce and dance and play is sure to capture students of all ages. Best of all, we have 5 different ways you can make a Lava Lamp (including the old favourite with alka seltzer), so no matter what supplies you have available, we have a Lava Lamp experiment you can do.

Make Milk Plastic

While teaching elementary science I was always on the hunt for cool science experiments that would impress my kids and really stretch their interests and foster their curiosity. One of the biggest hits of all time was a surprisingly simple experiment, that we never really considered as possible… making plastics. Specifically making bioplastics out of milk . With this concept you can create a lesson that is a powerful way to explore polymers with kids. This easy science experiment is a sure fire hit with students and gives them a wonderful keepsake of their studies.

Bouncy Naked Egg in Vinegar Experiment

Have you ever tried to shell a raw egg? Impossible you say? Challenge your hypothesis in this egg in vinegar science experiment ! Not only will you remove the shell from a raw egg, but the result is a bouncy, rubbery, raw egg. An incredibly simple science experiment, it can also be used to teach higher level concepts in osmosis and biology for students learning about the parts of the cell.

Making Water Rise Experiment Magic

When we did this water experiment the kids jaws hit the floor! It is so simple, but the results shock the kids. This is one very easy science experiment that is also incredibly memorable. It teaches the science of creating a vacuum in a very simple approach with just a jar, water and a candle. Learn how to make water rise and wow your students!

Elephant Toothpaste

You have probably seen the Elephant Toothpaste Science Experiment done on TV or at the Science Center where they create a massive gusher that goes many feet into the air, but did you know there is a very simple and easy way you can do this experiment yourself with items you already have available? This classic science experiment is one every student should experience.

Frozen Bubbles

If you live where it gets well below freezing, one of our favourite winter science experiments is to freeze bubbles . There are some specific science principles you need to understand to ensure this experiment is a beautiful success!

Growing Crystals

As a crystal lover and passionate family of rock hounds, the idea of growing crystals is something that we love! Over the years we have found all the ways to simplify and perfect the process so you can easily grow gorgeous crystals and learn the science behind crystallization. We have made crystals from borax, alum and sugar. We even have edible crystals called Rock Candy … yum!!

Explore Surface Tension with Glitter (or Pepper) and Soap

Surface tension is the focus of this simple science experiment that provides a powerful demonstration of the effect soap has on surface tension. Do this easy experiment, all you need is a plate, water, glitter or pepper and dish soap. Such an easy science experiment for kids!

Bottle Crush – Simple Heat Transfer Experiment

Got a soda pop bottle, some hot water and a cold winter day (or a bucket of ice)? Then you have all the makings of a cool science experiment! This this Bottle Crush science experiment , kids feel like all powerful magicians as they crush plastic bottles without touching them.

pH Testing Lab

Have you ever done a pH lab ex periment? In this simple version, you can use items from the kitchen to create a science lab that allows students to explore pH and learn more about acids and bases.

Gummy Mummies – Gummy Bear Mummification Experiment

Gummy Bear Science Experiments are always a hit with kids and in this easy science experiment we explore how the mummification process works. Add an extra fun comparison by also placing some of the gummy bears in liquid.

Walking Rainbow

Want a beautiful rainbow science experiment that is soooo easy it all happens without you even needing to do anything? Simply set it up, walk away, and come back to a beautiful rainbow of colours. In the Walking Rainbow Science Experiment kids learn about capillary action and color mixing. All you need is jars, paper towels, water and food coloring.

Rainbow Rain

On a rainy day, why not make Rainbow Rain in this simple science experiment for kids. The results are beautiful and will brighten a dreary day. All you need is water, shaving cream and a few drops of food colouring.

Skittles Experiment

It doesn’t get any easier than the simple Skittles Experiment . All you need is a plate, some Skittles and water. Soon you will have a spectacular science experiment the kids will beg to do again and again.

It’s been all the rage for a few years, and whether you love it or hate it, making slime can actually be a fantastic science experiment for kids.

Ready to do one of the most simple science experiments, but also the most fun? It’s time to make non-Newtonian Fluids! Known as Oobleck , it turns sold under pressure and liquifies when you remove pressure. And it will keep kids learning hands on and exploring for hours! The best part is all the different science experiments you can do with Oobleck.

Now when you think of Moon Dough , you don’t immediately think of easy science experiments for kids, but that’s because you have never made Moon Dough the way we make Moon Dough! In our recipes we learn about emulsifiers, glow in the dark science, chemical reactions, heat transfer, all while having so much fun exploring science and sensory play with kids of all ages.

Making playdough with your kids is a great way to teach them about mixtures, solutions, substances, and chemical changes. It is also teaches about the importance of formulas and the role each ingredient plays in creating one of the all time most popular sensory play items, playdough!

Magic Milk Experiment

Ready for some serious wow factor in a really easy science experiment? Magic Milk is a classic experiment that always mesmerizes kids. Over the years we have used it to learn about surface tension, space, pollution on Earth Day, and so much more. All you need is milk, dish soap and a drop of food colouring… and watch the magic colour explosion happen!

Simple Snow and Ice Experiment

Is it winter where you live? This is a fantastic, very simple and easy experiment to do with young students. All you need is some jars, snow, ice cubes and water… and watch the melting magic !

Heat Transfer Experiment – Slurpee Making

Kids love this simple slurpee science experiment where they get a cold, sweet treat at the end in the form of a homemade slurpee! Using the science of heat transfer, kids will make their very own slurpee out of juice. A great experiment for learning about temperature, heat and heat transfer.

Flying Ghosts Tea Bag Experiment

Obviously this easy science experiment is perfect for Halloween, but don’t let that stop you from doing it at any time during the year. The results of the flying tea bag experiment are always a hit with kids and all you need is fire and a tea bag to set flight to curiosity!

Ice Fishing

Inspire your little ones to learn more about how salt and water react in this fun ice fishing science experiment .

Water and Oil Experiment

Demonstrate how oil and water don’t mix in this colourful oil and water experiment. All you need is a few simple ingredients: water, oil and food colouring. When it comes to easy science experiments for kids, it doesn’t get easier than this!

Magnet Science – Harry Potter Inspired Wingardium Leviosa

Use the magic of science to wow students, or teach students this experiment so they can wow their friends with their new found magical abilities. You can also use this science to make ghosts fly! Who knew magnet science was so cool?

Marshmallow Science

Marshmallows are the secret to easy science experiments that you never knew existed in your pantry! Learn how to teach concepts around heat, molecules, expansion and more in this marshmallow science experiment .

Sky Science

Kids wondering why the sky changes colour during sunrise and sunsets? Or the always famous, why is the sky blue, question? Explore the science of the sky colours in this easy experiment .

Easy STEM Challenges

Why not combine Science with some Technology, Engineering and Math in these easy STEM Projects for kids.

Build a Popsicle Stick Catapult

One of the original STEM projects kids have been building for generations is the simple catapult. There are lots of different ways you can build a catapult, but here we are making the always easy and popular Popsicle Stick Catapult .

Build a Water Clock

This easy STEM project has some significant historical context that your history loving students will go wild over. Plus building a water clock is surprisingly easy but packs a powerful learning punch.

Make a Glow Salt Circuit

Before you start to worry, building a circuit doesn’t have to be difficult. In fact, once your students master the basics of electricity and circuits, they will want to start adding circuits to everything. To get started, one of the most simple circuit projects you can make is our Glow Salt Circuit . Don’t worry, we provide all the detailed instructions to ensure your project is a hit.

Build a Battery

Another great way to explore electricity science is to build a simple battery out of food. We have built Lemon Batteries , Pumpkin Batteries and even Potato Batteries . Kids love capturing the energy in our foods and using it to light up!

Build a Bridge

A bridge building challenge is a great way to challenge a class either in school, at camp or in an after school program. Kids get to let their innovation, creativity, and understanding of science and engineering go wild as they build their creations. Then test them out against other designs to see which concepts come out on top.

Rube Goldberg Machine

Building simple machines is an incredible STEM project for all ages. With a Rube Goldberg Machine you are linking simple machines into a chain reaction to achieve an end goal. The best part about a Rube Goldberg Machine project is that it challenges students to work together and apply critical thinking and problem skills as they develop their STEM literacy. Check out the Rube Goldberg Machine we built as a Leprechaun Trap .

Build a Catapult Cannon

Catapults may be fun, but as kids get older, they want bigger challenges, bigger launches and bigger fun with their learning. Enter the Catapult Cannon , a Catapult design that launches harder and farther than your regular catapults, and challenges students to apply more advanced engineering and physics concepts.

Build a Confetti Cannon or Seed Bomb Launcher

For a smaller scale challenge with mini cannons, try making this Confetti Cannon , which includes two different designs, one for little learners and one more complex design for older kids. Plus you can use a similar design concept to make a Seed Bomb Launcher for homemade Seed Bombs.

Tower Construction Challenge

A very easy STEM Project is to challenge kids to build a tower. Now you can do this with blocks or LEGO, but up the challenge by having kids build with candy , marshmallows , paper, pasta or even frozen bubbles . Add a time limit to turn this into a one minute STEM challenge.

Make a Thaumatrope

Optical illusions are always a fun experiment for kids. For a quick and easy optical illusion for kids, try building Thaumatropes . It is so easy, especially with our ideas and templates.

Build a Balloon Car

This is a STEM build that is perfect for a classroom or after school group. Build a Balloon Car that is powered by air. For younger kids, challenge them with the Make It Move STEM Challenge .

Biology Science Building Models

Turn a boring Biology lesson into a fun science class with a STEM project inspired by the human body. Build functioning models of The Lungs , The Heart or The Hand .

Science Projects and STEM Activities for the Holidays

Need something specific to celebrate the seasons or holidays? Check out all of these resources featuring the best in easy science experiments for kids with a special theme!

Spring Activities

Summer Activities

Fall Activities

Winter Activities

End of School Year

Valentine’s Day

St. Patrick’s Day

Halloween Activities

Christmas Activities

100+ Easy Science Experiments for Kids To Do at Home (Using Materials You Already Have!)

Looking for fun science experiments to do at home with your kids? We’ve compiled the ultimate list of cool science experiments for kids – most of which can be done with materials you already have on hand!

Children are naturally curious about the world around them, but explaining scientific concepts without a physical demonstration can be confusing, and well, just not fun! We’ve found the best way to teach science is with simple science experiments that provide hands-on learning opportunities – making concepts more accessible, and most importantly, extremely fun and memorable for kids.

We’ve scoured the web to pull together an epic list of the best easy science experiments you can do at home with your kids. Whether you have preschoolers starting at square one, or tweens or teens looking for the ultimate Science Fair project idea, this list has it all – ranging from weather, water and physics experiments, to chemical reactions and explosions (always a kid favorite!).

And you won’t have to make a special trip to the craft or hardware store – almost all of these fun science experiments use common household ingredients that you probably already have at home. Score!

So what are you waiting for – dive right in and have some science fun!

PIN for when you’re ready to perform a fun science experiment:

Science Experiments using Chemistry (Hello, Explosions!)

Your kids will have a blast watching how different materials react and change with these simple chemistry experiments – there’s tons of bubbly explosions, fizzy reactions and rainbow creations to choose from!

(1) These Oozing Pumpkins are sure to bring lots of laughs from your young scientists as you create overflowing reactions from baking soda and white vinegar. (via Little Bins for Little Hands)

(2) Or swap the pumpkin for a lemon to create a miniature volcano right in your kitchen with this Lemon Volcano . (via The Best Ideas for Kids)

(3) Go big or go home with this incredible Watermelon Volcano experiment where you just need a few simple materials including baking soda, dish soap, vinegar and a little bit of food coloring. (via Preschool Play & Learn)

(4) We love this colorful twist on the classic Baking Soda and Vinegar Reaction . It just never gets old! (via Crafts by Amanda)

(5) Grab a baking sheet and try this Fizzing Colors activity to make a bubbly piece of art! (via Mom Wife Busy Life)

(6) A fun Rainbow variation on the classic Baking Soda and Vinegar experiment that is sure to make kids smile. (via The Best Ideas for Kids)

(7) Make these amazing Magical Color Changing Unicorn Noodles with cabbage and then squeeze on some lemon to watch the noodles change color! (via Left Brain Craft Brain)

(8) Learn about reactions on a large scale and turn milk into a work of art with this interactive Giant Magic Milk experiment . (via Hello Wonderful)

(9) Up the ante and make this Vinegar & Baking Soda Rocket – the chemical reaction can make it fly 30-50 feet into the air! (via 123 Homeschool for 4)

(10) Or try this super cool Chemical Reaction Car – it gets a boost from a fizzy reaction from a base (sodium bicarbonate, aka baking soda) and an acid (vinegar) which mix together and release carbon dioxide. (via Left Brain Craft Brain)

(11) Kids love this simple experiment about Apple Oxidation where they can predict which liquid will keep the apple slices from browning, then test their hypothesis. (via Jennifer Findley)

(12) Ever wonder why the Statue of Liberty is green? Get the answer to that question and learn a little bit about a famous US landmark with this cool Penny Science Experiment . (via The Keele Deal)

(13) Wow your kids by making raisins dance! This Dancing Raisins chemical experiment requires minimal ingredients (water + baking soda) but gets maximum results. (via 123 Homeschool 4 ME)

(14) What happens if you drop an egg? It cracks, right? But what if you drop a bouncy egg?!  Learn how to make Bouncing Eggs with this fun kitchen experiment. (via 123 Homeschool 4 ME)

(15) It’s an old classic, but it’s still fun to do – try to fit a hardboiled egg into a glass jar with this Egg in a Bottle experiment. (via Left Brain Craft Brain)

(16) Practice fire safety while learning about the relationship between oxygen and fire with this incredibly simple Fire Safety Experiment . (via Mama Smiles)

(17) Impress your kids with this cool Smoking Fingers Trick that makes it look like your fingers are on fire as smoke rises from them! And yes, it’s best to leave this one to the grown-ups for demonstration. (via Left Brain Craft Brain)

(18) Kids will enjoy watching these balloons inflate “on their own” in this fun Balloon experiment . (via All for the Boys)

(19) With a few ingredients from your pantry, you can head outside and try this Exploding Sidewalk Chalk , because who doesn’t love messy explosions?! (via Hess Un-Academy)

(20) How do elephants keep their teeth clean? With Elephant Toothpaste of course! This is one of the best science experiments for kids of all ages – from preschoolers to teens. All it takes is hydrogen peroxide, dry yeast, dish soap and food coloring to make this super cool foamy reaction. (via Teach Beside Me)

(21) Kids (and parents) will enjoy seeing the “lava” flowing in this fun experiment where you can Take a Look Inside of a Volcano ! (via 123 Homeschool 4 Me)

(22) How pretty are these Crystal Flowers ? They’re a craft and science experiment all in one! (via Preschool Play & Learn)

(23) Make your own sweet treat, with this Fizzy Sherbet and learn the science behind why it tickles your tongue. (via Go Science Kids)

(24) Grab all your dull pennies and task your little scientists to try different solutions to determine How to Clean Pennies , then learn why some solutions work better than others. (via Gally Kids)

Weather Science Experiments for Kids

Why is it rainy one day and sunny the next? What causes thunder and lightning? How do clouds form? 

The weather is always changing and easily observable by kids. That makes weather experiments not only super fun, but incredibly relevant for children of all ages. Explore weather-related science with these easy experiments:

(1) Have fun creating your very own rain clouds using shaving cream and food coloring with this Rain Cloud in a Jar activity. (via The Best Ideas for Kids)

(2) If you’ve got a marker and a plastic zipper bag, your kids will love getting to watch the water cycle in action by creating their very own Water Cycle in a Bag . (via Playdough to Plato)

(3) Or simply use a glass bowl and some ice cubes for a Water Cycle Experiment on the kitchen counter! (via Taming Little Monsters)

(4) Alternatively, reuse plastic bottles for a hands-on Water Cycle Experiment . (via 123 Homeschool 4 ME)

(5) Now that you know all about the water cycle, why not Build Your Own Rain Gauge ? (via Nurture Store)

(6) Learn what happens when warm air rises and cool air sinks with this colorful simple experiment. (via Mom Brite)

(7) Kids will love watching a cloud form and escape when you Create a Cloud in a Water Bottle . (via Playing with Rain)

(8) If you don’t have an empty water bottle lying around, you can check out this post to create another billowing cloud using a mason jar . It is so exciting to watch the clouds roll out of the jars! (via Little Bins for Little Hands)

(9) This Tornado in a Jar is one of the most classic science experiments and is always a hit with kids. (via Natural Beach Living)

(10) Light a fire and learn about how heat moves from the Earth in this Observing Conduction experiment. (via Learn, Play, Imagine)

(11) If it’s too cold to go out and play, make the most of your time inside with this Snowstorm in a Jar . (via Taming Little Monsters)

(12) You can create your own lightning spark at home with static electricity by using just a balloon and a metal spoon! (via Learn, Play, Imagine)

(13) Have you ever wondered how hail forms? Well, you’re in luck! Grab your hair dryer for this Understanding Hail activity . (via Playing with Rain)

(14) Watch wind create energy by Making a Pinwheel.  (via Science Sparks)

(15) Your kids will love learning about ice caps and polar regions with this fun sensory Melting Polar Ice Caps science activity. (via Science Sparks)

(16) And if that’s not enough snow, you can kick it up a notch with this Avalanche Experiment . (via A Dab of Glue Will Do)

(17) Grab some sidewalk chalk on a sunny day for a Human Sundial Experiment . (via Rhythms of Play)

(18) Make your own Rainbow and learn about refraction and dispersion of light. (via Rookie Parenting)

Easy Science Experiments with Candy

Adding candy makes anything more exciting for kids (or at least more sweet!), and these cool candy science experiments are no exception.

These experiments are easy, fun, and a great way to use up any extra candy that might be hanging around after the holidays! 

(1) Create a rainbow on your plate with this stunning Easy Skittles Experiment . (via The Best Ideas for Kids)

(2) Now this is an experiment that kids will get excited about! Make your own Homemade Rock Candy while learning about the crystallization process. (via Better Life Blog)

(3) Explore chromatography, a technique for separating difference substances (in this case, candy and dye), with this cool Candy Chromatography kid-friendly experiment. (via Mama Miss)

(4) Learn about osmosis and watch gummy candy magically grow with this simple Gummy Bear Science Experiment . (via Playdough to Plato)

(5) Does your child like to collect rocks? Why not let them dig deeper by making these Edible Sedimentary Rocks . (via Rainy Day Mum)

(6) Watch your kids get excited as you make Pop Rocks blow up a balloon in this epic Pop Rock Science Experiment . (via 123 Homeschool 4 ME)

(7) While many people either love or do not love bright marshmallow Peeps, everyone will love learning what makes them dissolve in this Dissolving Peeps experiment. (via A Dab of Glue Will Do)

(8) If your candy has transparent colored wrappers, you can save them to learn about color mixing in with this fun color science project . (via Kids’ Craft Room)

(9) There are many ways to learn about the human body, but we’re pretty sure that the sweetest way is with candy. Kids of all ages will love making this Candy DNA Model . (via Science Sparks)

(10) Your kids won’t be the only wiggle worms in the house with these fun Dancing Frankenworms . (via Playdough to Plato)

(11) Learn how powerful the sun can be with these DIY Solar Oven S’mores . We bet you can’t eat just one! (via Desert Chica)

(12) Your little scientists will LOVE this Mentos Geyser which will teach them what happens when carbon dioxide in Soda meets a Mentos candy, while putting on quite the display! (via I Can Teach My Child)

(13) Usually we’d advise that kids stay far away from broken glass – unless, this is, it’s this yummy Edible Glass ! (via Go Science Kids)

(14) This is a simple science experiment and a magic trick! Find out what happens to sugar when emerged in warm water with this cool Disappearing Candy Cane Stripes experiment. (via Playdough to Plato)

Science Experiments Using Water

If there is anything that is almost universally fun for kids, it’s playing with water. Try one of these fun water science experiments that are perfect for a rainy day indoors, or for keeping cool on a sunny day!

(1) If your little one enjoys all things colorful, they will love this incredible Walking Water Science Experiment – and all you need are paper towels, water and food coloring to get started. (via The Best Ideas for Kids)

(2) Your kids won’t believe their eyes when they see cabbage changing colors in this fun Rainbow Cabbage experiment . (via Growing a Jeweled Rose)

(3) Discover how different liquids react together with this easy experiment that creates a colorful Layered Density Column . (via Steve Spangler Science)

(4) Or learn how water travels upward through vines and stems all while creating a beautiful bouquet with these Color Changing Flowers . (via The Best Ideas for Kids)

(5) Observe how different liquids do or do not mix by creating Fireworks in a Jar . (via Hands on Teaching Ideas)

(6) Find out how temperature affects the density of water with this colorful Hot and Cold Water Density experiment. (via STEAMsational)

(7) “Grow” your own Rainbow with this colorful science experiment that highlights chromatography. (via The Best Ideas for Kids)

(8) Keep exploring the concept of absorption, diffusion and solubility while bringing out your creative side with this Coffee Filter Process Art . (via Babble Dabble Do)

(9) See how quickly you can move water from one container to the next using sponges in this fun Water Transfer Activity.  (via Live Well Play Together)

(10) Play with water and Bubbles while learning about surface tension and evaporation. (via Hello Wonderful)

(11) Who else had a lava lamp growing up? This DIY Frozen Lava Lamp experiment is not only simple and fun, but brings back the lava lamp nostalgia! (via Hello Wonderful)

(12) Explore the relationship between gas, pressure, and volume in this easy Rising Water Experiment . (via Team Cartwright)

(13) Explore the power of water pressure with this low-prep, big fun Water Suspension Science activity. (via A Mothership Down)

(14) If you are looking for an activity that you can do almost anywhere, take a couple of minutes for this Water Light Refraction Experiment . (via Go Science Kids)

(15) Learn about absorption and expansion by Measuring Water Beads. (via Blue Bear Wood)

(16) Kids will love watching their drawings come to life with these Floating Dry Erase Figures . So cool! (via Go Science Girls)

(17) What will happen if you poke a hole in a bag full of water? Will it leak? Not with this Leak Proof Bag experiment. (via Montessori from the Heart)

Life Science Experiments for Kids

One of our favorite things to learn about is how living things (ourselves included) work. These life science experiments and activities will spark your child’s curiosity about the world around them!

Life Science Experiments about the Human Body:

(1) Learn how our heart pumps blood to our bodies with this Heart Pump Model . (via Science Sparks)

(2) Your child can learn how our lungs work by making a Model Lung with simple materials you probably have around the house: a plastic bottle, straw, elastic band, balloons and play dough! (via Science Sparks)

(3) These printable life-sized organs allow kids to study their body anatomy in a hands-on way. (via Adventure in a Box)

(4) Learn all about scabs – what causes them (and why they’re so important not to pick!) by making a Fake Jelly Scab that can then be eaten! (via Science Sparks)

(5) If you’re willing to brave glitter, this Glitter Germs Hand Washing Activity teaches children the importance of thorough hand washing while talking about how germs spread. (via The Soccer Mom Blog)

(6) Or, try this Growing Germs easy science experiment which uses an apple and your own child’s germs to not only teach kids to wash their hands, but all about controls and variables too! (via Playdough to Plato)

(7) Demonstrate how tooth decay happens and how to prevent it by soaking eggshells in various liquids in this Tooth Decay experiment. Is sugar a culprit? A great lesson for kids. (via Sciencing)

(8) This super easy Heart Rate Investigation will teach your kids about their heart, blood circulation and pulse, but also get them moving! (via Science Sparks)

(9) Your budding artists will love this Magic Heart Painting activity. Watch the cardiovascular system appear before their eyes! (via Taming Little Monsters)

Life Science Experiments with Plants:

(10) How do different liquids affect plant growth? Find out with this Plant Growth experiment – it’s one of our favorite science experiments and makes a great Science Fair Project! (via Lemon Lime Adventures)

(11) Discuss how plants grow and what they need to thrive by growing a Bean in a Jar . (via Growling a Jeweled Rose)

(12) Or use a plastic bag instead! All you need is a Ziploc baggie, a few beans and a damp paper towel to Grow Beans in a Bag . (via Community Playthings)

(13) Combine engineering and science while learning all about germination with this DIY Sprout House . (via The STEM Laboratory)

(14) Observe plant growth both above and beneath the “ground” by planting bulbs in a clear cup . (via Buggy and Buddy)

(15) Watch how plants respond to sunlight in this super easy Plant and Sunlight Experiment . (via Mama Smiles)

(16) Kids will love learning How Leaves Breathe with this simple plant experiment. (via Edventures with Kids)

(17) Did you know that you can grow vegetables with scraps? Watch your scrap veggies grow new life with a Scrap Garden . (via Hess UnAcademy)

Easy Physics Science Experiments for Kids

Learn how things move with these simple physics experiments for kids. Physics is the branch of science that studies matter, how it moves, and how it interacts – it encompasses the study of motion, light, electricity, magnetism, aerodynamics, and sound.

We’ve found that the best way to explain physics to kids is to skip the explanation and do a hands-on demonstration instead. Use these fun experiments to jump feet first into the world of Physics:

(1) First off, a classic Craft Stick Catapult ! This simple activity is a great way to teach about energy cause and effect, as well as simple machines…and you thought you were just going to be launching marshmallows across the room! (via Team Cartwright)

(2) Explore physics and play at the same time with these awesome Pom Pom Shooters . (via Left Brain Craft Brain)

(3) This classic science fair project will teach your kids how to use chemistry to generate an electric current by making a Lemon/Lime Battery ! (via Babble Dabble Do)

(4) Explore the science of sound with this pretty Rainbow Water Xylophone . (via Mama Papa Bubba)

(5) Make a simple Newton’s Cradle out of popsicle sticks, string and marbles to demonstration the conservation of momentum – kids loooove this one! (via Babble Dabble Do)

(6) Send a balloon blasting off and introduce simple physics with these neat Balloon Straw Rockets . (via Preschool Play & Learn)

(7) Grab some plastic bottles and string to make this fun Inertia Zoom Ball – a project kids can learn and play with! (via What Do We Do All Day)

(8) Popsicle sticks, rubber bands and some blocks are all you need to make a Stixplosion – demonstrating chain reactions which you can use to teach about kinetic and potential energy. (via Babble Dabble Do)

(9) Make a Salty Circuit to introduce your kids to electricity and how it moves from a battery through a circuit to power an LED. (via Babble Dabble Do)

(10) Demonstrate work and energy with this super cool Paper Airplane Launcher . (via Frugal Fun 4 Boys and Girls)

(11) Visually show the concept of gravity with this easy Gravity Activity with Paperclips . (via Buggy and Buddy)

(12) If you’re feeling particularly ambitious, you can create your own Light Bulb Experiment to see how electricity travels through a circuit. (via 123 Homeschool for Me)

(13) Discover what things are magnetic and vice versa with this fun Magnet Fishing Game . Great for preschoolers! (via Rhythms of Play)

(14) Baseball fans will enjoy this Frozen Baseball Experiment to observe how temperature affects how a baseball travels. (via Our Family Code)

(15) Learn more about inertia with these easy Inertia Science Experiments with Pennies . (via Frugal Fun 4 Boys and Girls)

(16) This awesome Rollback Can is a simple physics project that will amaze your kids and demonstrate potential and kinetic energy. (via Babble Dabble Do)

(17) These 4 Magical Magnet Projects will teach your kids about magnetism, and they’ll be mesmerized by its power! (via Babble Dabble Do)

States of Matter Science Experiments for Kids

All matter is either a solid, liquid, or gas, right? Or is it? And what happens to make some matter change states more easily than others? Kids will love these easy States of Matter science activities where they will get to learn the answers to those questions and more! 

(1) This Simple Balloon experiment will teach young kids all about the 3 states of matter with a Hands-on Density test. (via 123 Homeschool 4 ME)

(2) Watch as liquid cream becomes a solid by making your own Homemade Butter . Make sure you taste test it too! (via Playdough to Plato)

(3) And because it’s always a good time for ice cream, see how simple ingredients come together and change state when you make this Ice Cream in a Bag . It’s also a great activity to discuss an exothermic reaction, a chemical reaction that releases light or heat. In this instance, heat is released from the shaking, yet it freezes the cream – science sure is amazing! (via House of Nash Eats)

(4) Fill up balloons with different types of liquid in this fun Water Balloon Science Experiment and then try and predict if they will float or sink in water. (via 123 Homeschool 4 ME)

(5) A messy project that is universally loved by kids – Oobleck ! This Non-Newtonian fluid can act like a solid and a liquid. And you can make it at home as long as you’ve got cornstarch in your pantry. (via The Best Ideas for Kids)

(6) Task your kids to create an insulated box for an ice cube using materials from around the house in this Don’t Melt the Ice experiment. (via Frugal Fun 4 Boys and Girls)

We hope this list of easy science experiments for kids proves that science doesn’t have to be complicated…or boring! With materials you already have at home, you can create a memorable learning experience, and you definitely don’t need a lab coat to watch science come alive!

RELATED: Looking for more fun indoor activities to keep your kids busy? Check out 87 Energy-Busting Indoor Games & Activities for Kids (because cabin fever is no joke!)

What’s your favorite science experiment? Let us know your favorites in the comments below!

Mary Leigh is a stay-at-home mom to 3 fun and active boys. She started her blog,  Live Well Play Together , as a creative way to encourage moms to celebrate the simple, everyday moments in motherhood.  You can most often find her writing about kids’ activities, thoughts on motherhood, and simple ideas for family fun.  Follow her on  Pinterest ,  Instagram ,  Facebook , and  Twitter for fun ideas to bring a little fun to your everyday!

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Easy Science Experiments You Can Do At Home!

June 27, 2021 By Emma Vanstone Leave a Comment

These science experiments you can do at home have been designed to be simple, open-ended and use materials you already have around the house ( mostly paper, scissors, recycled items and kitchen staples ).

Click on the experiment image or the link to each science experiment to view full details and instructions for each science investigation .

I’ve got 100s more easy and fully explained science experiments for kids and easy STEM Challenges too if you fancy taking a look.

Easy Experiments for Science at Home

These activities are the perfect easy experiment to try at home and the best part is you probably already have everything you need to do them!

Create flying paper spinners. Experiment with different sizes and types of paper.

Use a ruler to test your reaction time.

Create a simple optical illusion.

Design and launch a water powered bottle rocket.

Use cornflour to make gloop!

Use baking soda and vinegar to erupt a volcano.

Create towers of different shapes and test to see how strong they are.

Reverse the direction of an arrow using just a glass of water!

Watch a lava lamp bubble!

Learn about emulsions with this beautiful magic milk investigation.

Place skittles in water and watch as the colours spread.

Use the freezing power of ice and salt to make ice cream in a bag.

Build your own catapult using popsicle sticks.

Make a density jar using oil and water.

Save an egg from breaking by creating a parachute!

More awesome science for kids

It doesn’t get much more simple than these easy newspaper STEM challenges . Roll up paper to create a den or try something more unusual and design paper slippers, or a newspaper monument.

Paint on ice, dissect a flower and make your own bubble wands with these science and STEM Challenge cards .

Some of my favourite Science Sparks experiments are in this collection of Fairy Tale science investigations , including growing a bean for Jack and building a gingerbread house.

I also have themed science investigation ideas for all times of the year including an egg filled collection of Easter science experiments , winter science investigations , summer science and so much more, so do take a look around.

Last Updated on March 29, 2022 by Emma Vanstone

Safety Notice

Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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65 Science Experiments for Kids: Have a Blast at Home

Is your kid bored at the weekends or while on school vacation? Are they couch potato-ing in front of the TV again? I know a brilliant way to keep your child entertained and engage their brain: science experiments.

Whether your child is intrigued by the thought of Imploding Cans or a Lemon Volcano, I’ve put together a list of 65 dazzling science experiments for kids! No need for a fancy science lab — you can do these all from the comfort of your home.

I’ll let you know exactly how to carry out each experiment. Gone are the days when there was nothing to do. Now you have 65 theories to test out!

Easy Science Experiments Kids Will Enjoy

Safety tips, faqs about science experiments for kids.

From making a cloud in a bottle to homemade bouncy balls, here are 65 easy science projects for kids to try. Plus, most use household items, making this a cheap way to pass the time.

1. Cloud in a Bottle

Tightly secure the lid on an empty plastic water bottle. Twist the bottom of the water bottle as tightly as possible. This will compress the air and push all the molecules inside together.

When you open the water bottle, the molecules expand, releasing the pressure and creating an instant cloud.

2. Floating Fish

Learn about solubility and density with this fun experiment. On the bottom of a glass plate, draw the outline of a fish with a dry-erase marker.

After a couple of minutes, slowly pour tap water into the corner of the dish until it covers the plate. The water will move towards the fish drawing, surrounding it. Tilt the plate from side to side and watch as the fish drawing starts to float!

3. Lava Lamp

Learn about density and make a lava lamp at home. Add two inches of baking soda to the bottom of a jar, then fill the rest with vegetable oil until full. These two ingredients won’t mix.

Combine ¼ cup of vinegar with a bit of food coloring in a separate cup. Mix together before pouring the solution into the jar with oil and baking soda.

Turn off the lights and shine a flashlight on your lava lamp!

4. Foamy Fountain (Elephant’s Toothpaste)

In this experiment, kids will make foam with a few household ingredients. In scientific terms, this is called an Exothermic Reaction.

Pour ¾ cup of hydrogen peroxide into a bottle. Add 10 drops of food coloring and one tablespoon of dish soap. Swirl it around to mix.

Combine three tablespoons of warm water and one tablespoon of dry yeast in a separate cup. Mix for 30 seconds.

Use a funnel to pour the yeast-water combination into the bottle and watch it fantastically foam!

Don’t touch the foam. We know it’s tempting, but it contains peroxide, which can irritate your skin and eyes.

5. Magic Milk

Pour whole milk into a shallow pie dish with a flat surface. Add a few drops of food coloring to different parts of the dish. You can use tons of different colors!

In a separate bowl, pour some dish soap. Dip a cotton swab into the dish soap and gently touch the surface of the milk with the swab.

The soap will lower the surface tension of the milk, and the colors will burst and swim around.

6. Egg in a Bottle

Did you know you can fit an egg in a bottle without breaking it? Firstly, boil and peel your egg. Then grab a glass bottle (no plastic!) and ensure that the opening is smaller than the diameter of the egg.

With an adult’s help, light three matches and drop them into the bottle. Place the egg at the bottle’s opening with the wide end pointing up. The egg will slowly squeeze into the bottle as the fire goes out!

7. Floating Ping Pong Ball

Levitate a ping pong ball with Bernoulli’s Principle! Make a paper funnel using thick card. With a grown-up’s help, cut a small hole in the bottom of the funnel.

Insert a straw into the bottom of the funnel and secure it in place with putty or tape.

Add a ping pong ball (or DIY foil ball) into the funnel and put the long end of the straw in your mouth. Blow into the straw and watch the ball levitate because of the high speed and low-pressure air.

8. Imploding Cans

Fill up a few empty soda cans with a bit of water. Then, fill up a large bowl with ice cubes and water.

Heat a flat frying pan on the stove and carefully stand your cans on the frying pan until they are hot. Using tongs, transfer the hot cans one at a time into the ice water.

When the cans drastically change temperature, they implode on themselves and crush inwards.

This is one for parents to do and kids to watch. It’s not safe for kids to do on their own.

9. Eggs and Toothpaste

Learn about the power of toothpaste in this shocking science project for kids. Fill up four glasses, two with soda and two with lemon juice. Then cover two eggs in toothpaste and pop one into a soda glass and another into the lemon juice glass.

Next, place two more eggs into the remaining glasses. This time, they’re not covered in toothpaste. Leave all the eggs in the glasses for 12 hours.

Once the time is up, remove the eggs, rinse under cool water, and pat dry. You’ll notice that the eggs covered in toothpaste feel and look different than those without. This emphasizes the significance and protective abilities of toothpaste.

10. Black Pepper Trick

Teach kids about surface tension and the power of soap in this fun and easy experiment. Pour a thin layer of water onto a plate. Pour a bit of ground pepper all over the water’s surface.

Then pour a tiny amount of dish soap onto your finger. Dip your finger into the water, and you’ll notice the pepper quickly zoom away from your finger.

Need something for your science fair project? People will love watching this one in action!

11. Ice Cream in a Bag

Have fun and try something yum! Pour four ounces of milk and cream, ¼ teaspoon of vanilla, two tablespoons of sugar, two teaspoons of vanilla, and food coloring (optional) into a zip-bag and ensure it’s securely closed.

Place the bag into a larger zip-bag and fill it with ice and a small handful of salt to surround the smaller bag. Zip it shut and hold either side while shaking back and forward for about five to eight minutes.

Yes, your arms will be tired. But in the end, you’ll have ice cream! Open the large bag and remove the smaller bag. Rinse off salt from the bag and open it up. It’s ice cream time!

12. Magic Melting Skittles

Grab a plate and line up Skittles around the edge of the bowl. Pour a little bit of boiling water into the plate to surround the bottom. Watch as the colors from the Skittles slowly melt off and swirl together on the plate.

This experiment has endless possibilities. Try it with different colors and shapes on the plate!

13. Bouncy Egg

Turn a raw egg into a bouncy egg! Simply place the raw egg (uncracked) into a glass. Cover it completely with distilled white vinegar and leave for 24 hours. After 24 hours, you can gently scrape off the eggshell, and you’re left with a squishy, bouncy egg.

14. Grow an Avocado Tree

Wash an avocado pit and insert four toothpicks halfway up the side, on all sides. Suspend the pit over a jar and fill the container with enough water to submerge the lower third of the seed. Make sure the broad side of the pit is facing down.

Keep the jar in a warm place out of direct sunlight and change the water every few days. After a few weeks, roots and sprouts should start appearing.

When the sprouts are about six inches, cut it back three inches. This will encourage more growth. When the stem has grown back again, plant the avocado pit in a 10-inch pot with soil, and voila! Your avocado tree will grow.

15. Make Slime

This exciting experiment will provide days of fun! Mix together ¼ of water and ¼ cup of white school glue in a bowl. Add a few drops of food coloring.

In a separate bowl, combine ½ tablespoon of Borax and another ½ cup of water. Stir to combine. Add the solution to the glue mixture, and enjoy playing with the slime!

16. DIY Rock Candy

On the stove, combine a 1:3 ratio of water and sugar. Bring it to the boil.

Let it cool for 10 minutes before transferring to a large glass or jar. If you want colorful rock candy, add food coloring to the solution and stir.

Pour half a cup of sugar onto a plate. Dampen a wooden skewer in water and roll it around in the sugar. Then place the skewer into the glass jar and secure it in place with a clothespin so it stays in the middle of the jar.

After five days, your rock candy will have formed. Use a skewer to break the piece of rock candy out of the water. Place it inside an empty jar to dry, and yum! You have your own rock candy.

Ask for an adult’s help for this one since you’ll be using high heat.

17. Baking Soda and Vinegar Balloon

Baking soda and vinegar can blow up a balloon without any help from your lungs. Using a funnel, pour about ¼ cup of vinegar into a bottle (with an opening small enough to stretch the mouth of a balloon over).

Put the mouth of the balloon over the funnel and add one tablespoon of baking soda to the balloon. Stretch the balloon over the bottle’s mouth and empty the baking soda into the bottle.

Watch as the balloon fills up with air. More technically, it’s carbon dioxide because that’s what happens when you combine baking soda and vinegar.

18. Frozen Bubbles

Blowing bubbles can be even more fun when the temperatures are below freezing. The bubble solution can freeze on the spot! You can do this with a bubble solution and a bubble wand — wave it around to produce bubbles.

The bubbles will either freeze mid-air, once they fall to the ground, or even while they are still attached to the wand.

Another option is to pour the bubble solution onto a plate or shallow bowl. Use a straw to blow a bubble into the solution. The bubble will slowly freeze, forming ice crystals.

You can pop the bubble and notice how it shatters and crumples rather than disappears like a normal bubble.

19. DIY Phone Speaker

When you don’t have your own Bluetooth speaker, you can easily make one with paper cups and toilet roll tubes. On the toilet roll tube, cut out an opening on one side that will fit the bottom of your phone.

On the paper cups, cut out a small opening to fit the end of the toilet roll tube through. Connect the pieces together, choose your favorite song, and insert your phone speaker into the toilet roll tube.

The system will naturally amplify the sound from the phone! Dancy party time.

20. Invisible Ink

Reveal hidden messages with this science project for kids. Pour ⅓ cup of baking soda and ⅓ cup of water into a bowl. Mix together before adding a cotton swab into the solution and writing a secret message onto a card.

Pour 100 percent grape juice into a cup. Dip in a paintbrush and paint over the secret message to reveal it. This is a great way to teach about acids and bases.

21. Milk Bottle Xylophone

Make music with items you already have in the house. Line up six glass bottles and pour a different amount of water into each jar.

Make music by tapping a metal spoon on each jar. Notice how the amount of liquid in each jar changes the sound waves and vibrations, resulting in a higher and lower pitch.

22. Dancing Raisins

Fill a clear glass with clear soda and fill another glass with water. Place a few raisins in each glass and notice how the raisins dance in the soda liquid but not in water. This is because the gas bubbles carry the raisins up, and when the bubbles pop, the raisins sink again.

23. Exploding Lunch Bag

This chemistry test is a great way to add excitement to a dull Saturday morning!

Fill a zippable lunch bag with ¼ cup of warm water. Add ½ cup of distilled white vinegar. Zip the bag shut.

Place a piece of tissue or paper towel down and pour three teaspoons of baking soda onto the middle. Fold the tissue over itself.

It’s time to be speedy! Open the zippable bag enough to add the baking soda tissue.

Once you’ve added it, quickly shut the bag, put it on the ground and step back. The bag will begin to expand and eventually… BOOM!

Do this experiment outside. You don’t want a mess on your living room floor!

24. Lemon Volcano

Let’s make citrus volcanos! This is a great one for science fair projects.

Cut the top and bottom off a lemon and carve out the insides. Add food coloring to the inside and fill the lemon with baking soda. Mix with a knife and watch as the baking soda starts to fizz out.

You can also try this with different citrus fruits, like an orange or grapefruit. Make it with different colors to have a rainbow volcano collection.

25. Walking Water Rainbow

Place seven identical jars or glasses in a row or a circle. Fill every second jar ¾ full with water, so jars #1, #3, #5, and #7 have water.

Then add a big squirt of red food coloring to jars #1 and #7, yellow to jar #3, and blue to jar #5. Jar #2, #4, and #6 will remain empty.

Fold six paper towels in half (hot-dog style), then in half again, making long, thin pieces of paper towels. Fold each paper towel in half (hamburger-style), so they make a tent shape.

Then place one end of the paper towel in the first cup and the other half in the second cup. Repeat with each paper towel.

Each cup should have two paper towel ends inside unless your cups are in a row. In that case, the first and last cups will only have one paper towel end inside.

After a couple of hours, the paper towels will have soaked up the food coloring using a capillary action. The colors mix together to create the shades of the rainbow: red, orange, yellow, green, blue, indigo, and purple.

26. Rising Water

Fill a shallow bowl with enough water to cover the bottom. You can add food coloring for more fun!

Place a tealight candle in the middle of the water and light it. Quickly place an empty glass over the candle.

The candle will gently burn out while water rises into the glass. This is a great way to teach Charles’s Law, which conveys how when temperature decreases, the volume does, too, allowing water to rise and fill the empty space.

Get an adult to help with the Rising Water experiment, since it involves fire.

27. Bend Water

Run your kitchen or bathroom tap with a very thin stream of water. Blow up a balloon and create static by rubbing it against a towel or your hair. Hold the balloon close to the water and watch as the water bends towards the balloon.

28. Citrus Pops Balloons

Limonene, a component in citrus, has the ability to dissolve rubber, which is a component of balloons (1) . Therefore, when you squirt citrus onto a balloon, it pops!

Blow up a few balloons. Peel an orange, ensuring you have large pieces of the peel to hold.

Hold the peel a few inches from the balloon, with the rind side facing the rubber. Quickly squeeze the peel so the liquid squirts onto the balloon, and it should pop!

Something To Note

Not all balloons will pop through this experiment. If the balloons are made from natural rubber, they will most likely pop easily. But if the rubber is vulcanized, it’s more durable and harder to dissolve.

29. DIY Compass

Never get lost again! To make a compass, stroke a strong magnet down one length of a sewing needle 50 times. Then flip the magnet and the needle, and repeat on the other side.

Cut a cork so it’s about 1.5 centimeters thick. Push the needle through the cork — you may need to use pliers, so ask a parent for help.

Next, fill a bowl with a few inches of water. Place the cork into the water, and it should point North.

30. Sink or Float

Take note of which ones sink and which ones float. Can you determine why?

31. Optical Illusions

Optical illusions are an incredible way to confuse your brain using your eyes. Why not get a book of optical illusions for your kids to flick through all summer? This will keep them entertained — and amazed.

32. Pumpkin Volcano

Cut a hole in the top of a pumpkin and clean out the insides. Pour ¼ cup of baking soda into the pumpkin with a squirt of dish soap and watch the pumpkin start to foam from the top!

33. Create a Marshmallow Catapult

Stack up six popsicle sticks and tie them together with a rubber band on either end. Then tie a wooden spoon and another popsicle stick together at the bottom end of the spoon. Push the large stack of popsicle sticks between the spoon and the second stick until it’s halfway down.

Secure it together by making an “X” with a rubber band where the two sticks meet. Then put a mini marshmallow on the spoon and pull it back slightly.

The marshmallow should fly through the air! If not, adjust your mechanism until it can catapult the marshmallows.

34. Make Ginormous Bubbles

Make the biggest bubbles your eyes have ever seen! Mix together six cups of distilled or purified water with ½ cup of cornstarch.

Add one tablespoon of baking powder, one tablespoon of glycerine, and ½ cup of dish soap. I recommend Blue Dawn dish soap .

Use it with a giant bubble wand. If you need to make your own giant bubble wand, do this beforehand so you can use the bubbles immediately.

35. Magnet Experiment

Fill a glass with water and add a few tablespoons of magnetic fine iron filings . Run magnets up and down the side of the glass and watch the iron fillings move around.

36. Paper Bridge

All you need for this are pieces of paper, two plastic cups, and a bunch of pennies. Create different types of bridges by trying out different designs with the paper. Add one penny at a time to the bridges to discover the strongest bridge design.

37. Shine Up Pennies

Discover how to clean copper pennies using household items. Fill different cups with different liquids, including white vinegar, soapy water, ketchup, and soda. You can fill up the other cups with any liquid you please!

Put a penny in each cup and wait 10 minutes. Then rinse the pennies with water and rub with a paper towel. Which liquid cleans the pennies best?

38. Egg Drop Challenge

The aim here is to drop the egg into the glass of water. So fill a glass full of water (make sure it’s big enough for the egg) and place a piece of cardboard or a small tray on top of the glass. Then place a toilet paper tube on top of the tray before balancing the egg horizontally on the tube.

When you’re ready, strike the tray or cardboard away with your hand, making sure to send it flying away without knocking over the water. The egg will hang in the air for a split second before dropping into the water.

39. Green Pennies

Above, I taught you how to polish pennies. Did you know you can turn pennies green using a very similar method?

Fill up two bowls with ¼ cup of vinegar and one teaspoon of salt. Mix well. Add a few pennies to each bowl.

After 10 minutes, remove the pennies from one bowl, rinse them, and lay them flat to dry on a paper towel.

Take the other pennies from the second bowl and place them onto the paper towel. Don’t rinse! Wait and see what happens.

The pennies that you rinsed will be polished. But the pennies you didn’t rinse will be green. This is called a patina — a layer caused by the weathering chemical process you just carried out.

40. Homemade Butter

Pour heavy cream into a jar and put the lid on tight. And start shaking! This is a great one for siblings so they can take turns because it can take up to half an hour for the cream to turn to butter!

As the cream solidifies, it separates from the buttermilk. When you remove the lid, pour the buttermilk away; underneath, you’ll have butter. Spread it on your toast, and enjoy!

41. Neon Flowers

Fill up a few glasses with water and five drops of food coloring. Mix well before adding white daisies or carnations to each glass. The next day, your flowers should be bright and colorful!

42. Expanding Soap

Watch what ivory soap does when you microwave it. Submerge a bar of ivory soap into water before cutting it into quarters and placing it on a plate. Pop it in the microwave for two minutes and watch as it expands into a pile of fluff!

43. Sticky Ice

Fill a container with water and ice cubes. Lay a piece of string across the container, ensuring the string is in contact with one or some ice cubes. Sprinkle salt over the string.

One minute later, gently submerge the ice cube slightly under the water to wash the salt off. Pick up the string, and you’ll notice that the ice cube comes with it!

This is because the salt melts the ice a little, and when you wash the salt away, the ice cube refreezes, attaching the string to it.

44. Density Jar

This is what I did my 5th grade science experiment on. Learn all about density with this cool and easy experiment.

Pour some honey into a jar, followed by corn syrup, dish soap, water, oil, and alcohol. The layers of liquid will sit on top of one another rather than mixing together!

45. Soap Boat

Cut out a mini boat about one-inch long using card or paper. Fill up a large tray or container with water. Dip a cotton swab into dish soap and place a tiny amount on the back of the paper boat.

Watch as it starts zooming around the water! This works because the soap breaks the surface tension of the water and creates a force strong enough to push the paper through the liquid.

46. Dancing Sprinkles

Place plastic wrap tightly over a bowl and secure it with a rubber band. Make sure there aren’t any wrinkles.

Pour a few sprinkles over the plastic wrap. Lean closely and hum songs near the bowl. The louder or higher you sing, the different sound waves you’ll create.

You can also try placing a speaker into the bowl before you place the plastic wrap over it. Once you’ve poured on your sprinkles, play a song and watch the sprinkles boogy!

47. Eggs and Salt Water

Fill a glass full of water. Fill a second glass all the way with water and add a bunch of salt. And finally, fill a third halfway with water.

Place an egg in the plain, full glass of water and watch as it sinks. In the salty glass of water, the egg floats. Finally, add salt to the third glass of water, allowing it to dissolve slightly before placing the egg inside.

What does the egg do? It floats. But if you pour water on top of it so the glass is full, the egg stays in the middle. This is a great science lesson to teach density to kids.

48. Leakproof Bag

Fill a plastic zippable bag half full with water and seal it shut. Stab a sharp pencil through the bag until it comes out the other side. Repeat with a few more pencils. Notice how the bag doesn’t leak water when you stab the pencils through!

50. Frozen Baking Soda

Fill a freezable tray with one cup of baking soda. Add three cups of water and food coloring. Mix well.

Add some figurine toys to the mixture and freeze the mixture overnight. Start pouring vinegar into the mixture as you try and rescue the figurine toys. The vinegar will slowly break down the baking soda with a fizzing reaction until you can break free the figurines.

51. Leaf Breathing

Fill three bowls with warm water. Place one freshly picked leaf in each bowl and hold the leaf down with a small rock. After a few hours, check back, and you’ll notice little oxygen bubbles all over the leaves.

These bubbles convey the oxygen coming out of the leaves. This highlights that plants breathe! They take in carbon dioxide and transform it into oxygen, which goes back into the air we breathe.

52. Exploding Colors

Fill a tray with baking soda. Fill an ice cube tray with distilled white vinegar. Add food coloring to the vinegar. Use an eyedropper to transfer the colored vinegar to the baking soda, and watch the colors explode!

53. Floating Paperclip

When you drop a paperclip into water, it will sink because it has a bigger density than water. But with this experiment, you can make it float!

Bend a paperclip to create an “L” shape. Balance another paperclip on the bottom end of the “L” shaped paperclip.

Gently lower the paperclips into the water, sliding out the “L” shaped one from beneath the second paperclip. The second paperclip will now float!

54. Viscosity Experiment

Fill three glasses with different liquids like water, olive oil, and honey. Place a ruler over the top of the glasses with a marble balancing above each glass.

At the same time, tip the marbles into the cups and watch which one reaches the bottom first. This is a great science lesson on viscosity.

55. Plastic Milk

Create your own plastic using milk. Pour one cup of fat-free milk into a saucepan with four teaspoons of white vinegar. Stir gently to combine.

Set the heat to a high temperature. Don’t stir. After a couple of minutes, the milk will start separating.

Gently stir the solution, and the milk will form a big curd called a casing. Voila! You’ve made plastic out of milk. You can mold and cut it into anything you want.

Adults should help set the heat to a high temperature and stir the milk. Don’t leave your child unattended with this experiment.

56. Oxidation With Apples

Learn about oxidation with this fun and fruity experiment.

Get 10 plastic cups and pour ½ cup of water in all but one cup. Then add ½ teaspoon of ingredients to each water-filled cup, including vinegar, honey, salt, sugar, baking soda, and anything else you’d like to try.

With the help of an adult, cut up 10 apple slices. Place one apple slice in each solution for 10 minutes.

Remove them from the solution and wait another 10 minutes. Notice how the oxidation process varies depending on what solution the apple slice was exposed to.

57. Sunscreen Science

Using bright construction paper, fold each sheet in half and open it back up. Squeeze sunscreen onto a paper plate and use a paintbrush to draw a picture on one half of the construction paper.

On the other half of the paper, apply a spray-on sunscreen. Leave the paper outside in the sun for a few hours, ideally all day.

Notice how the sunscreen bleaches the part of the paper that doesn’t have sunscreen on it. But the sunscreen portion is protected! This is a great way to enforce the importance of sunscreen.

58. Static Electricity Hair

Teach your kids about electrons and negative vs. positive charge with this silly balloon experiment! Rub the surface of a balloon with a cloth for around one minute. Hold it slightly above your head and watch your hair move upwards towards the balloon.

59. Chicken in a Cup

Punch a hole in the bottom of a plastic cup. Attach a paperclip to the end of the ribbon and weave the other side through the hole so the paperclip is inside the cup. Dampen the dangling part of the ribbon slightly.

Hold the cup tightly in one hand and use your other hand to squeeze the ribbon and pull it down in sharp, short movements. All going well, it should make chicken noises!

60. Gummy Bear Osmosis

Pour water, coke, salt water, and white vinegar into four separate cups. Add one gummy bear into each cup and wait 24 hours. Remove the gummy bears and notice how they expand or stay the same depending on the liquid they rested in.

Weigh and measure the gummy bears before and after the experiment to track exactly how much they changed.

61. Make a Sundial

Make your own sundial to help you tell time! Start by poking a stick in the ground. If you live in the Northern Hemisphere, tilt the stick at a bit of an angle to the North. If you live in the Southern Hemisphere, angle it slightly to the South.

Every hour, take note of where the stick’s shadow is pointing on the ground. So, at 7 a.m., head outside and mark the shadow with a rock. Repeat at 8 a.m., 9 a.m., and so forth. As long as the sun is in the sky, you can use your sundial to tell the time.

62. Homemade Bouncy Balls

Combine ½ teaspoon of Borax with two tablespoons of warm water. Add a few drops of food coloring (optional). Then add one tablespoon of school glue to a separate bowl. Add glitter if you’d like.

Now add ½ teaspoon of the Borax solution into your glue, followed by one tablespoon of cornstarch. Stir well.

Once the solution has hardened, pick it up and mold it into a ball. Leave it to dry for 10 minutes. Watch it bounce!

63. Instant Ice

Fill a plastic bottle with water and place it in the freezer for two hours. Carefully remove it from the freezer.

Place a bowl or cup upside down and set an ice cube on top of it. Then, slowly pour the cold water onto the ice cube and watch instant ice form!

As an extra step, you can pour the cold water into a glass. Then hold an ice cube slightly into the water’s surface and watch as the water slowly freezes beneath it.

64. Mystery Smell

Get an adult or friend to fill up various opaque containers with different objects, such as chocolate, milk, vanilla, and other fragranced items. The children should put a blindfold on and sniff the different containers, trying to guess what is inside.

65. What Dissolves in Water?

This experiment is fantastic for learning what dissolves in water and what doesn’t. Drop some ingredients into various cups — oil, sugar, pepper, flour, and more. Then add warm water and stir.

Make it more fun by guessing beforehand which ingredients will dissolve and which won’t. Were your theories correct?

It’s essential to stay safe during your science fair projects and experiments. Here are five tips for ensuring your child is safe while they meddle with science.

• Stay nearby: Don’t leave your child unattended while they perform science experiments. Stay nearby without distractions to keep an eye on what your child tries out.
• Wear protective clothing: It’s a good idea to wear a lab coat, glasses, and goggles while conducting experiments. Many ingredients, even natural ones, can irritate the skin and eyes.
• Provide clear instructions: Before your child attempts a science experiment, ensure you have given them clear instructions, and they have a good understanding of what to do.
• Only do approved experiments: The experiments on this list have been tried and tested many times. I urge you to stick with approved experiments. Don’t make up your own experiments, as many mixtures and chemical combinations can make toxic gasses.
• Work in a well-ventilated spot: Some ingredients might cause nausea, dizziness, and headaches. So always work in a well-ventilated spot near an air purifier or open window.

What Are the Most Popular Science Experiments?

The most well-known science project experiment is definitely the baking soda and vinegar volcano. It has a beloved place in school fairs, movies, and TV shows.

Other popular projects include invisible ink, growing crystals, making a vegetable battery, making a baking soda rocket, and elephant’s toothpaste.

What Are Some Simple Science Experiments?

Your science experiment doesn’t need to be super complicated.

Keep it nice and simple with these easy experiments:

• Magic Milk.
• Black Pepper Trick.
• Dancing Raisins.
• Sink or Float.
• Eggs and Salt Water.

About the Author

Beth McCallum

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25+ Easy Magic Science Experiments

• Kindergartner
• Preschooler

INSIDE: You’ll find over 25 easy to replicate science experiments for kids that appear to happen by magic! From sunscreen painting; fireworks in a jar; colour changing moon dough, orange volcanos and more. There are tons of fun ideas here to keep your little scientist engaged and exploring.

Looking for more STEM activities for toddlers and preschoolers? Check out 20+ REALLY EASY STEM ACTIVITIES USING BALLOONS for more great ideas!

25+ Easy Magic Science Experiments You Can Do At Home

‘Magic’ Science Experiments

• Walking Water Experiment (The Best Ideas From Kids)
• Water Refraction Science Experiment (What We Do All Day)
• Exploding Watermelons! KayeSquad
• Color Explosion Magic Milk Experiment (STEAM Powered Family)
• Watermelon Science Activities – Baking Soda and Vinegar Science Experiment (Natural Beach Living)
• Colour Changing Moon Dough Recipe (STEAM Powered Family)
• Electric Eels (BiztnGiggles)
• Sunscreen Painting: STEAM For Kids Team Cartwright
• Orange Volcanoes – A Fun Science Experiment for Kids Using Simple Ingredients (The Art Kit Blog)
• Rainbow Paper | Color Science for Kids (Science Kiddo)
• Invisible Painting for Kids – Science and Art Secret Messages (Natural Beach Living)
• Beautiful Chromatography Flowers Science Project (123 Homeschool 4 Me)
• How To Make Magic Mud – From a Potato! (The King of Random)
• A rainbow sugar water science activity (The STEM Mum)
• Iodine and Starches Visual Science Experiment for Kids (Mama Smiles)

More ‘Magic’ STEAM Activities

• How to make a Lava Lamp Experiment Sensory Bottle (Finding Myself Young)
• DIY Straw Rockets (Artsy Fartsy Mama)
• ‘Magic’ Drawing with Refraction of Light: an art meets science activity for kids (Go Science Kids)
• Blooming Paper Flower Experiment for Early Learning (Active Littles)
• Colorful DIY Glue Suncatcher Craft (Mom Brite)
• Skittles Experiment: Exploring Color Science (The Soccer Mom Blog)
• Colorful Fizzing Sensory Bin with Vinegar and Baking Soda (My Bored Toddler)
• Making Borax Crystals (The Craft Train)
• Fireworks in a Jar (I Can Teach My Child)
• How to Make Magnetic Slime (Frugal Fun 4 Boys)
• Wax paper Resist (Housing a Forest)

I wrote a book of Sensory Bins!

WILL YOU TRY ANY OF THESE FUN MAGIC SCIENCE EXPERIMENTS DAY CRAFTS AND ACTIVITIES WITH YOUR KIDS? Pin it for later!

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21 Easy Science Experiments for Kids to Do at Home

Looking for fun and educational activities to keep your kids engaged at home? How about diving into the world of science with some exciting science experiments that are easy to set up and guaranteed to spark curiosity?

These simple science experiments use everyday household items and turn them into magical learning experiences that will amaze your little ones and teach them the wonders of the scientific world.

From walking rainbows to growing gummy bears, these hands-on activities are perfect for exploring basic scientific concepts in a fun and interactive way.

Whether your kids are interested in chemistry, physics, or biology, there’s something here to captivate their imaginations and keep them asking, “Why?” and “How?”

So, gather your supplies and get ready to embark on a journey of discovery right in your own kitchen or backyard.

Easy Science Experiments for Kids

Walking rainbow science experiment for kids.

Create a walking rainbow in this fun and easy science experiment for kids! This experiment teaches kids about capillary action, the process by which liquid moves through a material against gravity, illustrating how water travels through plants and other porous materials.

Rain Cloud in a Jar STEM Experiment for Kids

With this raincloud in a jar experiment, kids will learn about the science principle of precipitation, observing how clouds accumulate moisture until they become heavy enough to release rain.

Watch as the color seeps through the shaving cream and “rains” into the jar, demonstrating how real clouds release rain when they become saturated.

Magic Milk Science Experiment

Kids will love seeing chemistry in action with this fun magic milk science experiment! This is a great opportunity to learn about surface tension and the interaction of different kinds of molecules as you watch colors swirl and create beautiful patterns.

Bouncy Egg Experiment

Learn about chemical reactions with this bouncy egg experiment for kids. Your kids will be fascinated watching their egg’s structure change over the course of this experiment, leaving them with an egg that actually bounces!

Easy Paper Helicopter DIY STEM Activity

Kids will have a blast creating simple helicopters from paper and watching them twirl to the ground when dropped in this DIY STEM activity!

This hands-on activity teaches children about the forces of gravity, lift, and air resistance. By experimenting with different variables in their design, kids can also explore how these factors affect the way the helicopter flies, providing insights into the principles of flight and aerodynamics in a fun and interactive way.

Jell-O and Vinegar Experiment for Scented Science Fun

In this Jell-O and vinegar experiment, kids can learn about chemical reactions in a fun and visual way! Adding vinegar to the Jell-O and baking soda mixture will create a fizzy, colorful eruption that will leave kids wanting to do this experiment over and over again.

Growing Gummy Bears Experiment for Kids

In this easy experiment, kids place gummy bears in different solutions like water, saltwater, and vinegar to observe how they change in size. This experiment is a fun way to help children learn about osmosis, the process by which water moves through a semi-permeable membrane.

Skittles Rainbow Experiment

With this experiment, kids can create their own colorful rainbow at home using Skittles! This is a great way for kids to learn about the concept of diffusion, demonstrating how colors and substances mix and move through water.

Make an Ant Farm Science Experiment for Kids

Create a miniature habitat in a jar with this ant farm science experiment!

This experiment helps children learn about the fascinating world of ant biology, including their social structures, tunneling behaviors, and how they work together to create and maintain their underground homes.

How to Make a Lava Lamp Experiment

Kids can make a mesmerizing lava lamp at home using a few simple ingredients, transforming ordinary items into a exciting science project.

This experiment is a fun and interactive way to explore concepts of liquid density and gas production, plus it’s so colorful and fun to look at!

Make Your Own Water Compass Science Experiment

In this fun experiment kids can make their own water compass and learn to magnetize a paper clip! This experiment helps children understand the principles of magnetism and how the Earth’s magnetic field can be used for navigation.

Hot and Cool Colors Outdoor Science Experiment for Summer

In this hot and cool colors experiment, kids see how color affects temperature and learn about the concept of heat absorption.

It’s a hands-on way to explore the relationship between color and temperature in a fun, summer-friendly activity.

Growing Rock Candy Sticks

What kid wouldn’t love to grow their own rock candy? That’s exactly what they’ll learn to do in this fun experiment!

This experiment helps children learn about the process of crystallization, demonstrating how saturated solutions deposit solids as they cool and evaporate. It’s a sweet and educational way to explore the principles of solubility, saturation, and crystal growth.

Magic Paint Potions: A DIY Process Art Lab for Kids

Use common household ingredients to make your own magic paint potions- and some pretty awesome art in the process!

This is an engaging, hands-on way for kids to learn about chemical reactions as they experiment with the different art their “potions” can create.

How to Make a Papier Mache Erupting Volcano

Kids will love making their own bubbling, erupting volcano with this fun activity!

This classic experiment helps children learn about chemical reactions and the dynamic nature of volcanic eruptions. And what kid wouldn’t love to see a mini volcano that actually erupts?!

Heart STEM Activity for Kids

In this fun science activity, an invisible ink solution is used to paint a simple diagram of the human cardiovascular system on a paper outline of the human body. By using a special reagent to reveal the hidden ink, kids will be delighted to see the heart, veins, and arteries “magically” appear.

This engaging experiment teaches children about the cardiovascular system, while also demonstrating the chemical reaction between the invisible ink and the reagent that makes the hidden illustration come to life.

Leaf Chromatography Science Experiment For Kids

In this leaf chromatography science experiment, kids explore the hidden pigments in leaves by separating their colors using a simple chromatography technique.

This fascinating activity helps children learn about leaf pigmentation, revealing the different chemicals like chlorophyll and carotenoids that give leaves their vibrant green, yellow, and orange hues.

Underwater Volcano Experiment for Kids

This underwater volcano experiment teaches children about the principles of density and convection currents, demonstrating how warm water, being less dense, moves upwards through colder, denser water. It mimics the way underwater volcanic eruptions release hot magma, creating dynamic movement and mixing in the ocean.

How to Make a Mini Balloon Racecar

In this fun project, kids create a small racecar powered by the force of a deflating balloon.

As the air rushes out of the balloon, it propels the car forward, providing a hands-on way to learn about Newton’s Third Law of Motion: for every action, there is an equal and opposite reaction.

Working Indoor Water Cycle Experiment

Learn all about the water cycle with this working indoor water cycle experiment!

This experiment helps children understand the stages of the water cycle by observing how water vapor rises, condenses into droplets on the cling wrap, and then falls back into the bowl, mimicking rain.

It’s a hands-on way to explore the processes of evaporation, condensation, and precipitation in a contained environment.

Fun Bouncing Bubbles Activity

In this bouncing bubbles experiment, kids create a special bubble solution that allows them to make bubbles that can bounce without popping easily.

This fun activity helps children learn about surface tension, which is the force that holds the surface of a liquid together. Kids explore how surface tension works to keep the bubbles intact, providing a fascinating look at the properties of liquids and the science behind bubbles.

Final Thoughts

Exploring these easy and engaging science experiments is a fantastic way to spark curiosity and excitement in young minds.

Each activity, from making a raincloud in a jar to growing rock candy sticks, provides a hands-on opportunity for kids to discover fundamental scientific principles.

These experiments transform everyday materials into tools for learning, making complex concepts like density, osmosis, and the water cycle both accessible and fun.

I hope these experiments inspire your children to ask questions, make observations, and see the world around them through the lens of a budding scientist.

Keep experimenting and enjoy the journey of discovery together!

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Busy Toddler

making it to naps, one activity at a time

Classic Science Experiments for Kids

Remember the science activities from your childhood? It’s time to bring those back for our kids. This list of 20 classic science experiments for kids is filled with time-honored ideas to introduce to the next generation of scientists. These science experiments are also as easy to set-up as they are fun to explore.

What are the best science experiments for kids?

Are these kid friendly science experiments, tip – use science experiments to introduce the scientific method, the best science experiments for kids list, frequently asked questions.

There are certain science activities that are absolute classics. Our parents did them. We did them. Now our children take on this science learning. These are the science experiments for kids that have stood the test of time and for good reasons.

Science is magical.

Experiments make that magic come to life.

Looking for more structure each day?

Check out Playing Preschool: Busy Toddler’s 190-day at-home activities program

The science experiments for kids in this blog post are as easy as they come. That’s part of the reason these activities have been passed down from generation to generation.

Introducing children to science that they can relate to and engage with is an important step on the STEM development journey.

A childhood science experiment doesn’t have to complicated, full of supplies, or overly rigorous to be fun and memorable.

Science exploration in early childhood is worth promoting. Kids need this valuable introduction into science – and we don’t have to wait for school to show them.

Make plans at-home to do a science experiment each week or even just once a month. Science nights at my house are so popular, and it doesn’t take much.

Remember the scientific method? You learned it at some point – middle school maybe? High school chemistry?

Kids can start learning parts of the scientific method and scaffold a version of it with these science experiments.

As you walk your children through the experiment, keep in mind the steps of the scientific method and look for chances to add this into your discussions:

• Gather supplies
• Make a hypothesis (prediction, guess)
• Do the experiment
• Write down results
• Talk about the results
• State the conclusion/what you found out
• Report results (to anyone!)

Using kid-friendly language and thinking of your child’s developmental level, hit whichever parts of the scientific method you can in each experiment.

The goal is not that children memorize each step of the method, but rather they get familiar with science terms (hypothesis, experiment, results, conclusion). This will support their future learning and future science education.

I know you’ll recognize some of these experiments from your childhood and I hope this inspires you to try them at your house.

There’s magic to be found in science experiments.

Remember to use fantastic supervision and parental judgment with these science experiments .

Exploring Oil and Water

Drops of colored water into vegetable oil and you’ve got one of the best science activities for kids. The difference in density leaves the water in bubbles. It’s mind blowing.

All you need is milk, food coloring and dish soap for this absolutely memorable experiment. Watch as the food coloring dances and swirls across the milk (it’s one of my personal favorites).

How Do Arctic Animals Stay Warm?

Ever wonder how animals in the arctic stay warm? Instead of only reading the answer from a book, try this experiment along with your learning. Show kids in a hands-on way HOW and WHY animals are able to survive in cold temperatures with this activity.

Grow a Rainbow

Want to grow a rainbow AND learn about chromatography? This science experiment only needs water, paper towels, and markers but it is a major wow factor.

Have you made Oobleck? Oobleck is a non-Newtonian fluid (it’s a liquid AND a solid), and needs just cornstarch and water to make. It’s a must try experiment.

Mentos + Diet Coke

Do you remember dropping Mentos in Diet Coke when you were in middle school? Only me? My family truly does this experiment on repeat.

My only suggestion is to pair this experiment with a Mentos geyser tube to help with dropping the Mentos into Diet coke. It’s sold on Amazon.

How Hand Soap Works

Help kids learn the importance of soap in this very simple (but super impactful) experiment. This experiment is great at the start of potty training, the beginning of a school year, or as flu season begins.

Baking Soda + Vinegar

Here’s the twist on the classic baking soda and vinegar experiment from childhood. More baking soda. Colored vinegar. It’s so much more satisfying than the one-and-done volcano.

Elephant Toothpaste

Elephant Toothpaste is the COOLEST. Full disclosure: it does need a special ingredient (high strength hydrogen peroxide) but it’s worth it.

Bouncing Eggs

What happens when you soak an egg in vinegar? It’s actually so cool and you’ll enjoy this as much as the kids.

Color Mixing (and “un”mixing)

Mix colors AND watch them separate again? Yes, please. These color changing sensory bottles are way cool.

Color Changing Flowers

Did you ever try this experiment as a kid? Color changing flowers is like the quintessential childhood science experiment.

DIY Lava Lamp

You’ve got to see this Lava Lamp Experiment. Grab your Alka-Seltzer (I know, right!) because kids (and you) will love it.

Exploding Baggie

Trying to explain gases to kids? It’s hard when you can’t see them. Try this experiment where gas pressure builds inside a bag and explodes it.

Rain in a Jar

Want to show your child how a rain cloud works? Have them make this rain cloud in a jar. It’s a really good visual for this part of the water cycle.

Skittles Melting Rainbow

The Skittles rainbow experiment is the COOLEST – so grab a pack of candy and try this activity. Your kids will be shocked!

Egg in a Bottle

This is an experiment on air pressure where a hard boiled egg is sucked into a glass jar. It’s really exciting to watch!

Bean in a Bag

One of our favorites: you can grow a bean in a bag! Watch the roots and stem develop right before your eyes – I used to do this every year with my class. It never got old.

Balloon Filling Experiment

Fill a balloon magically (with gasses) in this science experiment. Lots of wow-factor as the balloon inflates “on its own.”

Dancing Raisins

This is a simple must-do: make raisins dance in soda. It makes me laugh every time we do it.

Science is so accessible in the preschool years, but we often focus more on memorizing numbers and letters than providing kids with rich experiences in science. Providing access to nature, non-fiction books, and simple experiments is a great way to help preschoolers build background knowledge with science that will some day assist them in their math and reading acquisition.

Remember, think stages not ages when considering science experiments. Don’t worry so much about a child’s age but their interest level and whether the experiment will be eye-catching to them or something they’d want to be a part of.

I strongly recommend from the toddler age on that kids have access to non-fiction texts . They may not be able to read them yet (and won’t for many years) but seeing the non-fiction photos sparks interest and curiosity.

Susie Allison, M. Ed

Owner, Creator

Susie Allison is the creator of Busy Toddler and has more than 2 million followers on Instagram . A former teacher and early childhood education advocate, Susie’s parenting book “ Busy Toddler’s Guide to Actual Parenting ” is available on Amazon.

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Candice Wood says

November 5, 2022 1:15 PM

The best ideas!

Anne-Laure says

August 18, 2022 11:58 PM

Hi, thanks for this great article. from what age would you recommend doing those experiments ? Thanks

busytoddler says

August 20, 2022 12:19 PM

Totally depends on the child and the experiment. Think “stages not ages.” Look at what may interest your child for their STAGE in life, not their age. Some 2 year olds may be more interested in an experiment than some 5 year olds – a lot of it also depends on child preferences and personality.

Subscribe to my free newsletter and I’ll send you “35 Easy Toddler Activities to Break Up the Day!”

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12 ways to make science fun for your kids at home

The vinegar and baking soda volcano is a science fair classic, but making science fun for your kids can mean a lot more than making a mess of your kitchen.

If you're looking for a way to bring more science into your home, there are plenty of fun and even delicious ways to get kids excited about biology, chemistry, and physics — without a single worksheet.

Check out these 11 science projects for kids that are perfect for hands-on learning.

1. Make 'quicksand' with cornstarch

What kids will learn about: non-Newtonian fluids

While this might seem like a big task, you've likely done this before. When you slowly mix about 10 parts cornstarch to one part water, you create a liquid with the consistency of honey, and the properties of quicksand.

This is how it works: When you mix the cornstarch into the water, you create a suspension, which is when one substance is dispersed inside another. This makes the mixture act like a solid when pressure is applied, and a liquid when it's allowed to flow freely.

If you smack, slap, or scoop the mixture, it will feel solid since you'll be pushing the cornstarch particles closer together. Slowly run your fingers through it or pour it out, and it will flow like a liquid.

These mixtures are called non-Newtonian fluids, referring to Isaac Newton's observation that substances typically become more fluid when they're heated and viscous when they're cooled. Those substances, like honey, are Newtonian fluids.

Since the cornstarch goop's consistency is affected by pressure as well, it's considered a non-Newtonian fluid. Quicksand — a suspension of sand in water — works the same way.

2. Bake a paleontology cake

What kids will learn about: dinosaurs

There are plenty of cool ways to use science to create food — and we'll get to one later — but sometimes all you need is a cake to start an appetite for knowledge.

These paleontology-themed pastries don't automatically teach your children anything about dinosaurs, but it can be a delicious way to get them interested in learning more. Use them as a way to keep their attention as you teach them about the lizards that once ruled the Earth.

The above video shows how to make a very cool cake which lets kids brush aside cookie crumbs to reveal a dinosaur fossil. If you're after something a bit simpler with less potential for mess, you can also decorate a cake with a few fossil toys .

3. Create an electromagnet

What kids will learn about: electromagnetism

Making an electromagnet is a middle school science-class staple, and it's an easy project to do with a few small items from a hardware store. Simply wrap copper wire around a nail, connect the ends of the wire to a battery, and watch the magnetic magic unfold.

The magnetic field gets amplified with each additional loop around the wire, and your kids can test out different wire gauges, lengths, and materials to see which will make the strongest magnets.

4. Make pepper swim with dish soap

What kids will learn about: surface tension

Surface tension is a tricky concept to explain to younger children, but an easy and engaging thing to show them.

Here's how to do the pepper soap trick you've probably seen all over the internet:

Sprinkle a bunch of pepper on the surface of a bowl of water,

Then have a kid dip her finger in dish soap

Next, gently touch the surface of the water.

The pepper will jet to the edge of the bowl because the soap broke the surface tension of the water. Tah-dah!

Surface tension is the result of the surface-level molecules of water being pulled downward by attraction to other molecules. This holds them in place and allows particles like pepper to float on them.

Because soap is another highly attractive substance, it will pull the water molecules near it and break the surface tension. This flings the pepper particles out to the edges of the bowl, where the surface tension remains.

You can also do the same experiment with milk and food coloring .

5. Extract DNA from split peas

What kids will learn about: what DNA looks like

This might sound deceptively tricky, but with some household supplies and a little bit of lab equipment, you can help show your kids what DNA looks like. The video above walks you through the whole process, which involves breaking down the subject, using salt and meat tenderizer to release the DNA, and extracting it with alcohol.

An individual DNA molecule would be too small to see with the naked eye, but this experiment makes the long, sticky stands visibly tangle together.

6. Suck an egg into a bottle with fire

What kids will learn about: air pressure and vacuums

This is a surefire way to wow your kids with nothing more than a hard-boiled egg, a glass bottle, a lighter, and some paper. Take strip of paper, light it on fire, put it inside a glass bottle, and let the smoke reach the brim. As soon as it does, place the egg narrow-side down at the mouth of the bottle, and it will slowly get sucked into the bottle.

As the smoke fills the bottle and it heats up, the air inside expands. Once the flame is cut off by the egg's seal of the bottle, the air begins to cool and contract, creating a vacuum that sucks the egg in.

If you can't stand the smell of hard-boiled eggs or can't find the right size bottle, you can use balloons instead.

7. Make a carnation change colors

What kids will learn about: the vascular system of flowers

It's not the quickest science experiment, but it might be one of the coolest. Take a few white carnations, vases and different types of food coloring. Dye the water, then place the flowers in the different vases to watch them change color day by day.

You can even split stems to color one side of the carnation and not the other, or color it two different colors.

8. Make hot maple ice cream

What kids will learn about: molecular gastronomy

At its core, molecular gastronomy is using chemicals and creative cooking methods to create food that flips its usual form and function on its head. More home chefs have been trying out these techniques over the past few years, and you can join them by using a little bit of methyl cellulose to make a hot ice cream that melts as it cools.

Methyl cellulose is a derivative of plant cell walls, and creates gels only when it heats up. The recipe in the video above shows you how to make it yourself, and you can get the key ingredient for as cheap as $7.99 .

9. Build Heron's Fountain

What kids will learn about: air and pneumatic pressure

This modern adaptation of a first-century Alexandrian fountain is a great way to introduce kids to air and pneumatic pressure. Water and air pressure are moved through a series of tubes, which draw water down from the top, through the bottom, and up to the top again.

10. Explain why the sky is blue with milk, water, and a flashlight

What kids will learn about: rayleigh scattering.

Rayleigh scattering is what happens to light when it passes through the atmosphere. As light travels from the sun to Earth, it's absorbed and emitted by tiny particles, which scatter white light into different colors. Blue and violet are scattered the most, and because the sun emits more energy as blue light (which our eyes pick up better), our sky looks blue.

You can replicate this effect with a glass of water, milk, and a flashlight. Shine the light into the glass of water as you slowly add drops of milk. Once there are enough protein and fat particulates from the milk in the glass, the water will look blue.

11. Make your own rock candy

What kids will learn about: crystallization

If the dino cake and hot ice cream weren't enough, you can teach your kids all about crystallization with some rock candy. Simply mix sugar into water until the sugar stops dissolving. Then, tie a clean string to a butter knife laying across the top of a glass and pour in the solution.

Keep the glass covered with a paper towel or plastic wrap to keep out bacteria, and watch the crystals grow each day.

12. Bend chicken bones

What kids will learn about: calcium in bones

Like the carnation experiment, this science experiment takes a bit of time. However it's also incredibly simple — and a great excuse to order some fried chicken.

Simply immerse a clean, dry chicken bone in a jar of vinegar and leave it to soak for a week. Take the bone out, and you should be able to bend it fairly easily. This is due to the vinegar dissolving the calcium, which is what makes bones rigid. It's a great way to demonstrate to kids why they need to drink their milk or eat other calcium-rich foods.

And remember: all these science experiments for kids should be fun. They don't need to know they're learning something amazing and new.

And if you're looking for even more ways to keep your kids entertained at home:

STEM toys for kids

20 DIY projects to help you (or the kids) stay sharp while at home

BONUS: 5 Fun Science Experiments for Kids (w/ Grover!)

This story was originally published in 2014 and updated in 2020. Additional reporting by Amanda Yeo.

Amanda Yeo is Mashable's Australian reporter, covering entertainment, culture, tech, science, and social good. This includes everything from video games and K-pop to movies and gadgets.

• 5 Earth Science Experiments: Safe, Exciting and Educational

by Science Explorers | Jun 19, 2024 | Blog | 0 comments

Earth science experiments for kids are the perfect way to help your children appreciate and understand rocks, soil, the weather and other related topics. Spark your little one’s curiosity with these epic, educational experiments.

1. The Exploding Volcano Experiment

Would an earth science experiment list even be complete without an exploding volcano? If you have had a few dud volcanoes in your time, do not fear — see our extra tips section.

What You Need

• 6 cups of flour
• 2 tablespoons of baking soda
• 4 tablespoons of cooking oil
• 2 cups of salt
• Dishwashing detergent
• Red food coloring
• Baking dish or pan
• Empty soda bottle

How to Do the Experiment

Start by making the volcano cone — mix the six cups of flour, 2 cups of salt, 4 tablespoons of cooking oil and 2 cups of warm water. Add more warm water if needed. The mixture must be firm and smooth.

Now, take the soda bottle and place it on the baking tray. Mold the dough mixture around the bottle until it resembles a volcano. Be careful not to drop dough into the bottle or close the opening.

Next, fill the bottle almost all the way with warm water and red food coloring. Add 6 drops of liquid detergent and 2 tablespoons of baking soda. Then, slowly add vinegar and enjoy the eruption.

Two tips — the narrower the mouth of the bottle, the better the explosion, and don’t forget the detergent. Wider jars often have underwhelming explosions, and the dishwashing liquid adds to the show.

2. The Indoor Rainstorm Experiment

What better way to demonstrate the workings of a rainstorm than with a little fun experiment? This experiment is easy and safe to do in a classroom, dining room or any indoor area.

• Clear glass or jar
• Shaving cream
• Blue food coloring

Fill your glass/jar halfway with warm water. Add a generous amount of shaving cream and pack it in. Use your finger to make an indent in the middle of the cloud of shaving cream.

Then, add 30 drops of blue coloring in the center of the shaving cream. Watch how the “rain” pours out the bottom of the cloud and witness your indoor rainstorm.

3. The Ocean Wave Experiment

Wave boredom goodbye by showing your kids the ocean’s surface and deep currents.

• 2 clear bowls
• Warm and cold water

Take one cup and fill it halfway with cold water. Add a teaspoon of salt and a few drops of blue food coloring and mix it up. Then, fill the other cup halfway with warm water, add a teaspoon of salt and some blue food coloring, and mix the solution.

In the bowl, add a separate cup of cold water and mix it with 1 tablespoon of salt. Use the dropper to add the warm blue salt water from the cup. Observe what happens.

In the other bowl, add a separate cup of warm water and mix in 1 tablespoon of salt. Now, use the dropper to add some of the cold blue salt water from the cup. Observe what happens.

Here’s a sneak preview of what you should see: The warm water should rise, and the cold water should sink, demonstrating the ocean’s convection currents.

4. The Edible Rock Experiment

You rarely get to eat your experiments! The edible rock experiment demonstrates sedimentary and metamorphic rocks.

• Glass jar or cup (microwave safe)
• Chocolate chips
• Peanut butter chips
• White chocolate chips
• Plastic wrap

Add a layer of 1/4 cup of chocolate chips, then 1/4 cup of peanut butter chips and 1/4 cup of white chocolate chips to the glass. Continue the three layers until the kids can see them clearly. Use your spoon to crush the layers, showing “sedimentary” rocks.

To demonstrate metamorphic rocks:

• Cover the jars with plastic wrap and carefully melt them in the microwave.
• Melt the chips in 30-second intervals until all the layers have melted together.
• Show the kids, but don’t remove the “lava-hot” chocolate until the cup cools.

Once the cup has cooled off, you can smoosh the chocolate, which should still be a little bit warm, with the spoon and show them the metamorphic rocks. Next is the experiment’s most critical part — enjoy a metamorphic treat!

5. The Indoor Snow Experiment

Indoor snow is another fun, hands-on earth experiment for your kids. The best part is that no one will freeze their fingers off.

• Box of cornstarch
• Can of shaving cream
• Decorations for the “snowman” (optional)

Add the box of cornstarch to the tray and spray the whole can of shaving cream over it. Mix them together, and then you can start playing with the snow. Try building a snowman and giving him a candy nose and face!

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Home » Articles » Uncategorized » 5 Unique Uses for AI at Home to Make Learning Fun

5 Unique Uses for AI at Home to Make Learning Fun

All Pro Dad

• Uncategorized

Unless I’m grilling, I don’t usually cook. But on a rainy evening with my wife out of town, I had to come up with something fast to feed my kids. In desperation, I typed into ChatGPT the handful of ingredients I had in my kitchen and asked it what I could make. In seconds, I got a recipe for a pasta dish I’d never heard of. It didn’t look terribly difficult, so I went for it. To my surprise, my kids licked their plates clean. I call that a win.

Some kids look at school the same way I look at cooking. It’s hard, not a lot of fun, and they just want to get it done. If your kid’s struggling (or even if he’s not and you want to incorporate some learning activities at home), pull out your phone or fire up your computer for ideas for how to use AI at home. Here are 5 unique uses for AI at home to make learning more fun for your kids.

1. Use AI to create fun science experiments.

One idea for how to use AI at home involves getting scientific. I asked the chatbot Gemini for some fun science experiments I could do at home with my two elementary-aged kids and got some great ideas: “Dancing Raisins” to teach kids about the properties of gases; “Rainbow in a Jar” to teach about the different densities of liquids; and “Homemade Lava Lamp” to teach kids about chemical reactions. The supplies were things I already had at home: water, baking soda, and vegetable oil to name a few.

Do it : Tailor your prompt for more specific answers. For example: indoor vs. outdoor, grade 3 and up, experiments that teachers use in classrooms, etc.

2. Use AI to turn a trip to the park into a learning experience.

Going to the park usually means watching my kids run around for an hour. But I thought we might be able to level up our trip by making it a little more educational. I wanted to see how I could combine learning and fun, so I pulled out my phone before we left and asked Copilot for ideas. Copilot suggested doing a nature scavenger hunt, talking about cloud formations, and measuring things like the width of the slide and length of the bench.

Do it: If you want a math lesson at the park, be specific in what you ask your chatbot. If reading is a goal, try this prompt: “Give me some ideas for learning experiences at a park with my 7-year-old that will help him with this reading skills.”

3. Use AI to help your child with her fine-motor skills.

In kindergarten, my daughter didn’t have a good pencil grip. My wife and I tried moving her fingers, but nothing stuck. There had to be an easier way. We didn’t want to discourage her from drawing or writing, so we needed other ideas. Using Claude , I asked the chatbot to give me “ideas to help develop fine motor skills in a 5-year-old.” The suggestions? Playing with playdough, lacing cards or beads, picking up small objects with tweezers, and ripping paper into small pieces. All 10 ideas also came with an explanation of how these activities help with the pincer grip, dexterity, hand strength… Awesome. It made me excited to try a new approach.

Do it: Claude 3 Sonnet, created by Anthropic, is free. Experiment with various AI tools to receive different answers. You may find you gravitate toward one chatbot more than another.

4. Use AI to brainstorm activities that teach life lessons.

We know school is more than just academics. It’s about learning how to persevere, work well with others, and recover from setbacks. I wondered if AI could help me come up with ways I could teach those lessons at home.

Do it: Pick a chatbot like Meta AI to ask for “father-child activities that can teach valuable life lessons” and see what you get. Of the 10 ideas Meta AI gave me, I decided to go with grilling. I didn’t realize I could teach my son about teamwork and responsibility while doing something I love!

5. Use AI to create (or continue) a bedtime story for your child.

After reading The Pigeon Drives the Bus to my child, she asked what happened next. Well, I didn’t know. But using AI, we could continue the story a little longer. I asked ChatGPT to tell me what happened next to the pigeon and got a pretty funny answer. It turned out the pigeon had headed up north on an Arctic expedition and encountered polar bears.

Do it: AI can help you and your child stretch your imaginations. We followed up with another question for ChatGPT because we wanted to know what the pigeon thought of the polar bears. Using AI for storytelling can help you bond with your child, be creative, and create something new together.

Sound off: What other fun ideas do you have for how to use AI at home? 

Huddle Up Question

Huddle up with your kids and ask, “What is the biggest life lesson you’ve learned lately?”

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