science experiments with 2 liter bottle

Experiments you can do with a 2L bottle

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2. Density Column: Teaching density? See how many different layers you can create inside the 2L bottle. Some great liquid options are water, karo syrup, vegetable oil, rubbing alcohol, and soap.

3. Cloud in a bottle: Check out this video clip on how you can create a cloud in a bottle.

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5. Climate Demo: Why are the high and low temperatuers in coastal cities close together while inland cities see much greater temperature fluctuations throughout the day? Answer: It’s a lot harder to change the temperature of water than it is to change the temperature of air. Get two 2L bottles and fill one with water while leaving the second bottle empty. Place a thermometer into the opening and secure it with a rubber stopper (or play-doh if you don’t have a stopper). Shine a heat lamp on both bottles and compare the temperature changes.

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12. Composting: Build a micro-composter in a bottle! Pepsi has a free lesson plan here .

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17. Funnel: Even after you’ve finished using a bottle for one of the experiments listed above, cut off the top and save it for a lab that requires a funnel!

Any other uses you know of? Drop me a comment!

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  • Read more about: Experiments , STEM

science experiments with 2 liter bottle

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Home Science: Plastic Bottle Experiments

Written by Michele Wheat

Plastic bottles are a useful tool for learning about science. Many science experiments you can conduct at home involve plastic bottles and just a few other materials or ingredients. Because some of these experiments involve heat, fire, sharp tools, and/or air pressure, you should always have an adult helping and supervising the steps. You might want to start keeping a science notebook to record your experiments and the results.

  • Blobs in a Bottle : With a few household ingredients, you can make colorful blobs in a bottle, which happen because oil and water don't mix.
  • Soda Bottle Science Experiments: A two-liter plastic bottle is a perfect place to create liquid fireworks, bubbles, or dancing raisins by conducting these science experiments.
  • Make a Tornado in a Bottle : With a plastic bottle, dish soap, water, and glitter, you can make a water vortex that looks like a tornado.
  • Balloon Inside a Bottle: An empty plastic bottle might look like there's nothing in it, but there's still air taking up the space inside, as this experiment shows.
  • 10 Science Experiments You Can Do With a Plastic Bottle : With adult supervision, you can make a fire extinguisher or a sneezing alien using a plastic bottle and other materials.
  • Cool Science Experiments Using Pretty Much Nothing But Water: Explore pressure and force with a plastic bottle and water. Have an adult help you puncture a hole in the side of the water bottle, though.
  • How to Crush a Water Bottle : You'll need an empty plastic bottle with a cap, ice, boiling water, and ice water to create enough pressure to crush this water bottle.
  • What Happens to a Plastic Bottle in the Cold Air? Warm a plastic bottle, put the cap on it, and put it into the freezer. As the bottle cools, it will collapse due to air pressure changes inside.
  • The Draining of a Plastic Bottle: Integrating a Physics Experiment Into Calculus : Combine calculus and physics with a simple demonstration of how a plastic bottle drains water from a small hole.
  • Air Pressure Experiments for Middle School : Use a plastic bottle, water, a straw, and some modeling clay to demonstrate how air pressure behaves in an enclosed area.
  • Fog in a Bottle : Learn about how clouds form and how temperature and pressure help water vapor to condense or evaporate by creating a cloud of fog inside a plastic bottle.
  • Making a Greenhouse (PDF): Build a greenhouse in plastic bottles using soil, plastic wrap, rubber bands, a light source, and a few other materials.
  • Eight Simple Chemistry Experiments That Your Kids Can Do at Home: Make a fountain with a two-liter bottle of soda, mint candies, and a tube. Be sure you're in an outdoor area because the fountain will make a mess.
  • Blowing on Bottles : Explore music by blowing across the top of a bottle. Add some water to the bottle and experiment with how the sound changes when you blow across it again.
  • Making a Bottle Rocket : Make an exciting bottle rocket using an empty plastic bottle, cardboard, a cork, and an air pump. Changing air pressure is the source of the lift-off, but make sure you have an adult helping you with this activity.
  • Air Pressure Experiments : Explore air pressure with these experiments. The Cartesian Diver experiment requires a plastic bottle filled with water and some modeling clay.
  • Bead Bottle: This experiment almost looks like some sort of magic trick, but it's really a demonstration of how objects float in liquids of different densities.
  • Plastic Bottle Flowers (PDF): Ask an adult to help you make plastic bottle flowers with an empty plastic bottle, some acrylic paint, floral wire, and a candle to gently melt the plastic.
  • Tsunami in a Bottle (PDF): Use an empty two-liter plastic bottle, some gravel, and water to simulate a tsunami in the enclosed container.
  • Go With the Flow : Add some liquid soap and food coloring to a plastic bottle, and then fill the bottle to the top with water. Cap the bottle tightly, and then twirl it gently to see what kinds of patterns happen with the ingredients.
  • Bubbles on Bottles (PDF): The temperature of air has an effect on the size of bubbles, and you can create conditions that will impact these bubbles with plastic bottles and a few other materials.
  • At-Home Yeast Experiment (PDF): Use yeast, sugar, warm water , and a plastic bottle to inflate a balloon without blowing it up yourself.

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Dr. How's Science Wows

Science, Curiosity and Life

Ten science experiments you can do with a plastic bottle – Part 1

Do you love science and want to try out some experiments yourself? Do you worry that you’ll need special equipment and expensive kits? FEAR NOT! There are so many science experiments you can do with things you have around your home RIGHT NOW! Just remember to always ask an adult’s permission. Finish drinking your water and save that bottle because we are going to share TEN amazing experiments with you… you’ll never look at a plastic bottle in the same way again!

A few months ago I promised to share ten experiments you can do with a simple plastic bottle. If you have been following me on Face Book you will have noticed that I have shared one every week and we reached ten no problem; I’ve compiled all the instruction videos here so that you can pick and choose which ones you want to do (or, even better, try all ten). The reason I started this was because I was sick of seeing science experiment kits full of rubbish (I am not saying all science kits are rubbish, but I have seen my fair share lately). I wanted to show you that you can do plenty of science experiments from things you have around your own home. And what better example to use than a simple, humble, plastic bottle. A great example of reusing and recycling.

PLEASE NOTE: ALL THESE EXPERIMENTS REQUIRE ADULT SUPERVISION!

Without further ado… here are first five Science Experiments you can do with a plastic bottle:

make a fire extinguisher

2. Inflate a balloon

3. the sneezing alien experiment.

4. and 5. Ocean in a bottle experiment and Lava Lamp experiment

Those are the first five experiments. Have lots of fun with them, check back next week for the next five experiments . Remember to keep those bottles!

As always, we love to get comments and feedback so do let us know if you try some of these experiments; we’d love to know how you get on, did you make some of your own modifications and improvements to the experiments? Would you like us to share more video experiments?

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Science blogger and writer; Owner of Dr. How's Science Wows; Mother of three junior scientists who have taught me that to be a great scientist you need to look at life through the eyes of a child!

6 thoughts on “ Ten science experiments you can do with a plastic bottle – Part 1 ”

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Good idea, it’s very interesting, thank you for sharing this.

Pingback: Ten science experiments you can do with a plastic bottle - Part 2 - Dr. How's Science Wows

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We have tried four of these five and have had a ball in doing so. My five year old was so eager to do them and really enjoyed it all. Our almost 9 year old neighbour was well impressed with the experiements when we repeated them for him. In fact we spent several afternoons showing off our newfound proficiency in science to anyone who was interested 😉 Thanks so much for sharing these, Naomi. Fionnuala & the boys

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This is lovely to hear Fionnuala! I’m delighted with your feedback – thanks! I hope they get to enjoy lots more science experiments!

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I will be checking all of these out, thank you for sharing. I know my children will be delighted to be doing real experiments.

Great Joanna, I’m sure your little scientists will love them!

Comments are closed.

Teach Beside Me

Elephant Toothpaste: Foamy Science Experiment

This post may contain affiliate links.

science experiments with 2 liter bottle

This fantastic foamy fountain science experiment, also called Elephant Toothpaste is SO very much fun! We did this experiment years ago and I decided it was time to revisit it with my younger kids.

elephant toothpaste

We decided to try it with with both regular hydrogen peroxide and the 6% solution at the same time and compare the difference. In our images, the red is with the stronger solution and the blue is with the regular hydrogen peroxide.

Watch the Video of us Making Elephant Toothpaste

You have got to try this fun elephant toothpaste experiment with your kids.  It’s amazing to see the the simple chemical reactions you can make from things in your own house!

science experiments with 2 liter bottle

Ingredients for Elephant Toothpaste Experiment:

elephant toothpaste experiment

A clean empty plastic bottle- we used glass milk bottles 1/2 cup 6% solution hydrogen peroxide liquid (also called 20-volume hydrogen peroxide) 1 Tablespoon (one packet) of dry yeast 3 Tablespoons of warm water 1 Tbsp liquid dish soap Liquid food coloring Safety Goggles- if you have them!

How To Do the Elephant Toothpaste Experiment:

First, a note about the Hydrogen peroxide: You need a 6% solution. You can get this from a beauty supply store or on Amazon. This time we tried it with both the regular 3% hydrogen peroxide solution and with the 6% solution side by side so my kids could see the difference between the two.

This experiment can also be done with 20 volume or 40 volume peroxide. However, if you use the higher strength, I recommend doing it as a demonstration without kids touching. It can be more dangerous with the stronger chemicals and the heat reaction gets much hotter.

science experiments with 2 liter bottle

As you can see from the pictures, foam will overflow from the bottle, so be sure to do this experiment on a washable surface, place the bottle(s) on a tray or in a large tub that can contain the mess.

Pour 1/2 cup hydrogen peroxide into the empty bottle. Then add about 10 drops of food coloring into the bottle.

Next you will mix in 1 Tbsp. of liquid dish soap into the bottle and swish the bottle around a bit to mix it. This will create more foam in the reaction.

elephant toothpaste experiment

In a separate small cup, combine the warm water and the yeast together and mix with a spoon for about 30 seconds.

Lastly, pour the yeast mixture into the bottle (a funnel helps here) and watch the foaminess begin!

Make it in a larger quantity and use large a 2 liter plastic soda bottle!

How Does the Elephant Toothpaste Science Experiment Work?

Hydrogen peroxide is a solution we often use to clean our cuts. It kills bacteria on wounds. It is a liquid that is made up of hydrogen atoms and oxygen atoms. It’s chemical formula is H2O2. When it comes in contact with bacteria called catalase, it bubbles and reacts. Since most of our tissues and the cells of most living things have this enzyme it it, the peroxide bubbles on our skin.

Yeast has this special chemical or enzyme in it called catalase.  It acts as a catalyst (a helper) to breakdown the hydrogen peroxide. Each tiny bubble made in this foamy experiment is filled with oxygen gas.  It is removing the oxygen atoms from the hydrogen peroxide. Since it reacts very quickly, it creates lots and lots of bubbles.

These bubbles would pop quickly and just escape from the liquid. We add dish soap to create surface tension.  This traps those oxygen bubbles and create all of the foam that pours out of the bottle.

science experiment- elephant toothpaste

id you notice the bottle got warm. My kids said this when they touched the foam. This experiment created a reaction called an Exothermic Reaction.  An Exothermic reaction creates heat!

This experiment is called “Elephant’s Toothpaste” because it looks like toothpaste coming out of a tube, but don’t get the foam in your mouth! It is definitely not edible.

See More Awesome Projects in my new book: Science Art & Drawing Games for Kids

science experiments with 2 liter bottle

See More Fun Science Experiments for Kids:

Former school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids!

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How fun my kids would love this!

I’ve never seen this done with hydrogen peroxide. how fun!

I’ve only seen it done with hydrogen peroxide. What have you seen it done with. Please type back as soon as you can.

This is so much fun! It looks like your kids loved it–we did Elephant Toothpaste earlier this year and had a blast with it! Thanks for sharing it at Teach Me Tuesday!

Hi again, Karyn! This was one of the most clicked on links last week! Congratulations! I’m featuring it to day at Preschool Powol Packets!

This looks like a fun experiment for my young girl;s science club! have you tried variables other than the strenght of the peroxide?

Is your 6% peroxide a cream? If so does that work as well as the liquid.

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Educational Learning Materials for Parents and Teachers

Super Easy Bottle Rocket

May 28, 2019 by Michelle Leave a Comment

This has to be one of the most fun science activities I’ve done with my kids in a long time. It is super simple, inexpensive, and quick. It took us a few tries experimenting with how to add the baking soda to the bottle, but I think we got it down. We were able to make this super easy bottle rocket launch higher than our 2 story house four times in a row.

science experiments with 2 liter bottle

This experiment was inspired by our astronomy curriculum from Pandia Press (NOT an affiliate link, but a great curriculum). The primary change that we made between the instructions in that curriculum and our final version was to use a Kleenex instead of a paper towel. Also, as we were inserting the baking soda-filled tissue into the bottle, we ripped off the end of the tissue as described below to cause the mixing to occur more quickly.

Recommended Age Range: Preschool , Kindergarten , Elementary Time Required: 5 minutes Difficulty: Easy Cost: Less than $3 in used supplies

science experiments with 2 liter bottle

  • 2 liter bottle
  • baking soda
  • #4 rubber stopper
  • measuring cup
  • packing or duct tape
  • Kleenex or other tissue
  • funnel (not pictured)

Instructions:

  • Place rubber stopper into empty 2-liter bottle.

science experiments with 2 liter bottle

  • Put a piece of packing or duct tape near end of unsharpened pencil opposite eraser.

Place Tape on Pencil

  • Stand 2-liter bottle on rubber stopper and tape pencil to bottle so that it touches the ground.

Tape Pencil to 2-liter bottle

  • Repeat previous steps by taping a second pencil to 2-liter bottle.

Tape a second pencil to 2-liter bottle

  • Repeat previous steps again to tape a third pencil to bottle. Adjust pencils if necessary to make sure all 3 erasers are touching the ground and bottle is more or less vertical.

Tape a third pencil to 2-liter bottle

  • Measure 2 cups of vinegar.

Measure 2 cups of vinegar

  • Use a funnel to pour 2 cups of vinegar into bottle.

Pour vinegar into 2 liter bottle

  • Use a measuring spoon to place 2 tablespoons of baking soda onto a facial tissue.

Pour 2 tablespoons baking soda onto kleenex

  • Fold tissue in half to get baking soda to gather along the center crease.

Fold Tissue to Gather Baking Soda to Middle

  • Fold bottom of tissue paper up as shown to hold in baking soda.

Fold bottom of tissue up

  • Fold side of tissue over as shown.

Fold tissue over

  • Roll up the tissue as shown into a tube that will fit into the opening of the 2-liter bottle.

Roll up tissue

  • Start inserting the baking soda packet into the opening of the 2-liter bottle.

Place tissue packet inside bottle

  • Continue pushing tissue packet into bottle being careful not to let it fall in.

Push tissue packet into 2-liter bottle

  • When packet is almost completely into the bottle and the remaining part outside the bottle contains no baking soda, use the stopper to hold the packet in place. Rip off the remaining tissue that does not contain baking soda and let the packet fall into the bottle.

Use stopperto rip off end of tissue packet

  • Give the bottle a quick shake and turn it over so that stopper is at the ground.
  • Wait patiently. This never took more than 60 seconds for us.
  • Watch the rocket launch!

Super Easy Bottle Rocket Launching

Have fun being a rocket scientist!

Super Easy Bottle Rocket

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Science for Kids – Soda Bottle Compost

This Soda Bottle Compost is a great way for kids to see composting in action. The clear 2-liter bottle makes it easy to watch the composting process as it happens. We love finding new ways to use materials we already have around the house to use with science projects for kids. This recycled science project is a great way for kids to learn about composting in a hands-on way.

My kids are nuts about science so we’re always looking for projects we can do at home that really allow them to get hands-on and see the things we are learning about. With spring weather teasing us around here, we’re thinking about planting a garden, so learning about how to create compost was a great place to start.

This simple kids’ science activity uses an empty 2-liter soda bottle and some things you have around your house and yard to teach kids about how compost is made. The clear soda bottle is perfect for keeping on eye on the changes that are happening within your compost and it’s a great way to recycle something that would have otherwise ended up in the trash.

Read Also: How Does a Seed Grow

Supplies Needed

  • Empty 2 Liter Soda Bottle
  • leaves, grass, newspaper, spoiled produce, and anything else you can find in your home or yard that can be composted

Instructions

Cut the top off a 2 liter soda bottle and rinse it out well. Remove the label so that you can see everything inside the bottle well.

Start with a layer of soil on the bottom and alternate between soil and compostable material. You can use just about any plant matter. We had some peas that were getting mushy in our fridge so we threw those in with some dead leaves, grass, and pine cones. Shredded newspaper would have been great in here too.

soda bottle compost

I set my 6-year-old loose in the yard and had him look for anything that came from a plant. Older kids can alternate green matter and brown matter in their compost and experiment with different levels of moisture on the rate of decomposition.

Feel free to get emotionally attached to your compost bottle.

soda bottle compost science project

When your soda bottle has been filled, add water so it can start composting. You don’t want it to be sitting in water but you do want it to be damp all the way through.

soda bottle science project

Let your compost sit for several weeks in a spot where it will get plenty of sunlight and won’t be tipped over.

Watch as the material that you have added to your soda bottle compost bottle changes over time.

Kids may want to keep a record of the changes by taking photos or drawing pictures of what is happening in a science notebook.

This is a great introduction to composting for kids.

To learn more about gardening with your kids, we recommend these:

science experiments with 2 liter bottle

Gardening with Kids

These gardening activities for kids are a great way to teach kids about how plants grow. My kids have loved all of these!

science experiments with 2 liter bottle

Summer Crafts for Kids - Paper Flower Garden

science experiments with 2 liter bottle

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science experiments with 2 liter bottle

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science experiments with 2 liter bottle

Recycled Minion Planters

What is a hypothesis.

Even young kids can be introduced to some basic science. After we were done creating our compost soda bottle, my kids and I talked about the scientific method and what a hypothesis is. Brain Pop is a great resource for explaining concepts to kids and they have a really fun video on the scientific method. It is a subscription service but they have a selection of free videos that rotates so you may get lucky, although it’s well worth the subscription.

science experiments with 2 liter bottle

What’s Going to Happen

I love finding great books to go along with science projects that we do at home. This book walks kids through the process of creating a hypothesis and is a fun follow up to this Soda Bottle Compost science project.

Get it Here.

Older kids can keep a scientific journal and write down their hypotheses and record observations as their compost pile changes. Younger kids can make a hypothesis about what will happen and keep an illustrated journal by drawing pictures of the changes they see happening.

Composting for Kids

Once you have been successful composting in a soda bottle you can move on to longer-term options. Composting is a great way to dispose of organic waste and create some nutrient-rich soil for your garden.

This soda bottle composting project, while fun, does not create the volume of compost that you would need for a full garden. Once your kids see how the composting process works, it is a great idea to move onto larger composting options.

science experiments with 2 liter bottle

Envirocycle

The Envirocycle has great reviews and has been called “The most beautiful composter in the world”. This is a solid choice for your next step in composting. Made from food-safe, BPA and rust free, UV and antioxidant protected materials, your kids can safely use this with your help.

Get it here.

science experiments with 2 liter bottle

Good Grips Easy Clean Compost Bin

Having a countertop compost bin makes it easier to stick with composting. This model from Oxo locks in odors and blends in with your kitchen. Having it on hand makes it easy to throw in your vegetable scraps and gives you a place to store them until you take them out to the full-size composter.

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Science Fun

Science Fun

Trap A Tornado Cool Science Experiment

In this fun and easy cool science experiment, we’re going to trap a tornado in a bottle. 

  • Two 2-liter plastic soda bottles
  • Metal washer
  • Glitter, beads, food coloring

Instructions:

  • Fill one of the bottles about three quarters of the way with water.
  • Add any glitter, beads, and food coloring you want to the water. Be sure the beads are small enough to easily fit through the center of the washer.
  • Center the washer over the mouth of the bottle with water.
  • Now position the empty bottle upside down so its mouth is centered over the washer.
  • Use the duct tape to secure the bottles together.
  • Flip the bottles over so the empty one is on the bottom and observe what happens.
  • Flip the bottles one more time, but this time give the bottles a swirl and observe what happens.

EXPLORE AWESOME SCIENCE EXPERIMENT VIDEOS!

How it Works:

When the bottles are flipped and positioned directly above one another, the water has a difficult time transitioning from the top bottle into the bottom bottle. When you twirl the bottles, a vortex is created that allows for an easier exchange of water and air between the bottles. 

Make This A Science Project:

Add small items to the water like Styrofoam beads. Add sugar or salt to the water. Use vegetable oil instead of water. Try different sized washers. Try different sized bottles. 

EXPLORE TONS OF FUN AND EASY SCIENCE EXPERIMENTS!

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previous experiment

Next experiment.

Make a water filter

This fun science experiment turns dirty water clean. (Kind of.)

How do you clean up dirty water?

Not with soap! You need a filter, a device that removes impurities, like dirt, from water. The filter you’ll make here—with the help of an adult—is a super strainer, and it’ll help you clean up your act.

Ask a grown-up to cut the bottle in half. Then flip the bottle's top half over and put it in the bottom, so the top looks like a funnel. You'll build your filter in the top part.

Place the coffee filter (or bandanna, sock, etc.) at the bottom of your filter.

Add cotton balls, charcoal, gravel, sand, and / or other materials in layers. You can use just one of them or all of them. Tip: Think about which order to add them. Bigger filter materials usually catch bigger impurities.

Write down which filter materials you used and in what order you layered them.

Stir your dirty water and measure out a cup of it.

Get your timer ready!

Pour a cup of dirty water into your filter. Start the timer as soon as you begin pouring.

Time how long it takes for all the water to go through the filter. Then write down how long it took.

Carefully scoop out the filter materials, one layer at a time. What did each layer take out of the water?

Experiment! Clean the bottle and try again. Put the filter materials in a different order each time, and time each experiment. What do you discover?

WHAT'S GOING ON?

The slower, the better! The longer it takes for water to move through a filter, the cleaner it gets. Water slips easily through the filter materials, but bigger gunk, like dirt, gets trapped. The filter materials usually get finer and finer, so they can catch whatever was missed earlier. Activated charcoal can be near the end of the water’s path, because it uses an electrical charge to grab particles too small for us to see.

Your filtered water is not clean enough to drink. But a plant will love it!

Photographs by Mark Thiessen / NG Staff: Adapted from the Nat Geo Kids book How Things Work , by T.J. Resler

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How to Make a Hurricane for a Science Project

science experiments with 2 liter bottle

How to Make a Whirlpool Science Project

Simulating the vortex of a hurricane in a 2-liter bottle is a straightforward and simple at-home or classroom experiment. With a little tape, some hard plastic piping and other inexpensive materials, you can build a fun and reusable science project that illustrates the natural laws behind vortices, the physical phenomena that characterize hurricanes and tornadoes.

The formation of a vortex in a bottle results when centripetal and centrifugal forces are applied to a system with varying densities, in this case the difference in density between air and water. In nature vortices form when a wet weather system collides with dry air. In both systems the difference in density powers the vortex formation.

science experiments with 2 liter bottle

Rinse out the bottles and remove as much of the exterior labels as possible. Soaking the bottles in hot water will help you peel the labels off more completely.

science experiments with 2 liter bottle

Fill one of the bottles with 750 ml of cold water. The water should fill roughly three-fourths of the bottle; more water will make it harder to create the vortex while less water will shorten its duration.

science experiments with 2 liter bottle

Flip the second bottle upside down and place it on top of the filled bottle. Using a strong glue, attach the two bottle openings together to create a watertight seal. Allow the glue to set.

science experiments with 2 liter bottle

Cut the duct tape to size and apply liberally around the connection joint to complete the seal.

science experiments with 2 liter bottle

Create the vortex by flipping the bottles over and rotating the top (water-filled) bottle in a rapid clockwise or counterclockwise direction. This action creates centripetal force, directed toward the center of the bottle, which pushes the water and air to the outside. Because air is less dense than water, the air gets squeezed into the middle, causing the vortex to form. Centrifugal force, sometimes referred to as the inertial force in Newtonian mechanics, causes the air in the center to push against the water on the outside. The farther down the vortex, the greater this force becomes, which is why the water flows faster at the bottom of the bottle than at the top.

It's important to note that both bottles contain substance: the bottle on the bottom is filled with air, which naturally wants to displace the more dense water at the top. If you don't spin the top bottle, the water and air both clumsily compete to displace one another (forming bubbles). Spinning the top bottle creates a better avenue for air flow, resulting in vortex formation and faster water drainage.

Things You'll Need

  • Strengthening the joint between the bottles will increase the longevity of the experiment and make it easier for children to use. A simple way to do so is to buy a short length of PVC piping from a local hardware store. PVC piping is cheap and durable and, depending upon its diameter, can be placed either inside or outside the bottle openings.
  • Enhancing the visual effect of the vortex will make it more interesting and informative. This can be achieved by cutting up small pieces of the bottle label and adding them to the water in Step 2. As the water empties, the slips will move faster near the bottom of the vortex, thus illustrating centrifugal force. Colored lamp oil, or any colored liquid less dense than water, also can be added in Step 2 to create a colored vortex. This will make the vortex more visually pronounced and can also better illustrate the concepts associated with density.

Related Articles

How to build a model tornado, how to simulate a tornado, how to make a 3d model of a hurricane, how to connect two two liter bottles, how to make a tornado in a bottle using dishwashing..., how to make a 3d model of a typhoon, what weather conditions causes blizzards, how to explain bernoulli's theorem experiment to kids, project ideas for an egg drop with instructions, how to build a submarine for a kids science project, water bottle science experiments, how to fill a water barometer or storm glass, the effects of a cyclone, how to make containers for an egg drop experiment, how to demonstrate newton's laws of motion, how to mix vinegar & baking soda in a bottle rocket, the difference between tornadoes & hurricanes, how to make a vacuum cleaner.

  • Science Toy Maker: Exploring the Vortex
  • Introduction to Classical Mechanics

About the Author

Patrick Ferrara is a freelance writer, technology enthusiast and chemist in the New York City metro area. Holding degrees in both film studies and biology, his work oscillates between the purely technical to the wholly creative with most of his published articles featured on the genre site Mania.com.

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Science Experiments

Crush a Plastic Bottle Science Experiment

This super simple experiment seems almost magical, but don’t worry, it doesn’t require a magician! It can only be explained through a better understanding of air pressure.

Even though most of the time you can’t see or feel it, the air around us is pushing against every surface and by making a change in air pressure, we can crush a plastic bottle without ever touching it.

science experiments with 2 liter bottle

Note: Because this experiment requires the use of boiling hot water, depending on the age of your child, adult participation is very important.

JUMP TO SECTION: Instructions | Video Tutorial | How it Works

Supplies Needed

  • Empty 2-liter plastic bottle with lid
  • 6-8 cups of Ice
  • 1/2 cup Hot Water (bring it to a boil before you start the experiment)
  • 8×11 pan
  • Pitcher of Ice Water

Crush a Bottle Lab Kit – Only $5

science experiments with 2 liter bottle

Use our easy Crush a Bottle Science Lab Kit to grab your students’ attention without the stress of planning!

It’s everything you need to  make science easy for teachers and fun for students  — using inexpensive materials you probably already have in your storage closet!

How To Crush A Bottle Science Experiment Instructions

Step 1 – Gather your materials together and begin by filling your 8×11 pan with ice. 

science experiments with 2 liter bottle

Step 2 – Carefully, pour 1/2 cup of the hot water into the 2-liter bottle. After the water is in the bottle, wait for 2 minutes. As you are waiting make some observations. What happened to the bottle when you poured in the hot water? What do you think is happening to the bottle during the 2 minutes you are waiting?

science experiments with 2 liter bottle

Step 3 – After two minutes have passed, screw the lid back on the bottle. Make sure that it is on tight.

science experiments with 2 liter bottle

Step 4 – Next, lay the bottle on its side in the pan full of ice. You may need to hold it in place.

science experiments with 2 liter bottle

Step 5 – Slowly pour the pitcher of ice water onto the bottle. Take a moment to make more observations. What happened to the bottle when you poured the ice water on it? Did you hear any noises? Did it change shape?

Step 6 – Stand the bottle up to get a closer look. What happened to the bottle? Why do you think the plastic bottle crushed in?

Video Tutorial

How Does the Crush a Bottle Science Experiment Work?

The atmosphere is heavy! The weight of the air that is pushing down on all objects on Earth all the time is more than the weight of three cars combined! Imagine that the air pressing down on the top of your head right now is more than the weight of three cars combined. How do objects on Earth not get crushed by this air pressure?

Pressure is the force pushing down on an area or surface. Air pressure is the weight of a column of air pushing down on an area.

Air pressure is not able to crush objects on Earth’s surface because the molecules in air push evenly in all directions – up, down, sideways, diagonally. The air pushing out of your body is equal to the air pushing in on your body (that’s how you don’t get crushed by the atmosphere).

In this experiment, you get to see how powerful air pressure really is when you take away the ability of air molecules to push evenly in all directions.

Before adding boiling water to the bottle, the bottle was filled with room temperature air. Once the hot water was placed in the bottle, it heated up the air inside the bottle. When we put the cap on the bottle, the hot air is trapped inside the bottle.

When we placed the bottle in the ice and poured cold water on it, the air inside the bottle began to cool down rapidly. The cool air exerts less pressure than hot air, therefore the air pressure inside the bottle began to decrease.

The air pressure inside the bottle decreased to the point where it was less than the air pressure outside the bottle. Therefore, the air pressure pushing in was greater than the air pressure pushing out, causing the bottle to be crushed!

More Science Fun

If you are looking for more experiments dealing with Air Pressure then you’re in luck. Check out these other fun and simple experiments we’ve done.

  • Use a simple science “trick” to easily stab a regular drinking straw through a raw potato
  • Or  turn a Water Glass upside down without spilling the water!
  • And you can even make a balloon fly across the room like a rocket .

I hope you enjoyed the experiment. Here are some printable instructions:

Crush a Bottle Science Experiment

Crush a Bottle Science Experiment

  • Empty 2 liter plastic bottle with lid
  • 1/2 cup Boiling Water

Instructions

  • Begin by filling your 8×11 pan with ice.
  • Next, pour 1/2 cup of Boiling Water into the 2 liter bottle. After the water is in the bottle, wait for 2 minutes.
  • After two minutes have passes, put the lid back on the bottle. Make sure that it is tight.
  • Lay the bottle on it’s side in the pan full of ice.
  • Slowly pour the pitcher of ice water onto the bottle.
  • Stand the bottle up and observe what happens. The plastic bottle has been crushed in.

Crush a Plastic Bottle Science Experiment - Steps

Reader Interactions

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December 15, 2016 at 2:42 pm

This bottle crushing experiment never gets old. I loved it as a kid and I still love it now. However, I have yet to try it with a regular plastic water bottle. They are designed to use less plastic than larger soda bottles. It is the reason they have ribbing. However, I have a feeling that the compression of these bottles will be more pronounced.

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science experiments with 2 liter bottle

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more in 10-12 years

Blobs in a bottle.

science experiments with 2 liter bottle

You will need

  • A clean 1 liter clear soda bottle
  • 3/4 cup of water
  • Vegetable Oil
  • Fizzing tablets (such as Alka Seltzer)
  • Food coloring
  • Pour the water into the bottle.
  • Use a measuring cup or funnel to slowly pour the vegetable oil into the bottle until it’s almost full. You may have to wait a few minutes for the oil and water separate.
  • Add 10 drops of food coloring to the bottle (we like red, but any color will look great.) The drops will pass through the oil and then mix with the water below.
  • Break a seltzer tablet in half and drop the half tablet into the bottle. Watch it sink to the bottom and let the blobby greatness begin!
  • To keep the effect going, just add another tablet piece. For a true lava lamp effect, shine a flashlight through the bottom of the bottle.

easy_lava_lamp

How does it work?

To begin, the oil stays above the water because the oil is lighter than the water or, more specifically, less dense than water. The oil and water do not mix because of something called “intermolecular polarity.” That term is fun to bring up in dinner conversation. Molecular polarity basically means that water molecules are attracted to other water molecules. They get along fine, and can loosely bond together (drops.) This is similar to magnets that are attracted to each other. Oil molecules are attracted to other oil molecules, they get along fine as well. But the structures of the two molecules do not allow them to bond together. Of course, there’s a lot more fancy scientific language to describe density and molecular polarity, but maybe now you’ll at least look at that vinegrette salad dessing in a whole new way.

When you added the tablet piece, it sank to the bottom and started dissolving and creating a gas. As the gas bubbles rose, they took some of the colored water with them. When the blob of water reached the top, the gas escaped and down went the water. Cool, huh? By the way, you can store your “Blobs In A Bottle” with the cap on, and then anytime you want to bring it back to life, just add another tablet piece.

MAKE IT AN EXPERIMENT

The project above is a DEMONSTRATION. To make it a true experiment, you can try to answer these questions:

  • Does the temperature of the water affect the reaction?
  • Does the size of the bottle affect how many blobs are produced?
  • Does the effect still work if the cap is put on the bottle?
  • Does the size of the tablet pieces affect the number of blobs created?

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Collapsing Plastic Bottle Experiment

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This is a simple, easy, and fun way to use the physics of air pressure and temperature to crush a bottle! So let’s go ahead and use the force of air pressure in this Collapsing Plastic Bottle Experiment.

Get more fun and easy Atmospheric Pressure Experiments here!

Collapsing plastic bottle experiment

Your kids will love doing this experiment with you and it only takes a few supplies you probably already have around the house!

Table of Contents

This post may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases.

Supplies Needed:

  • 2-Liter Plastic Bottle
  • Large Casserole Dish

Collapsing plastic bottle experiment materials

How to Make a Shrinking Water Bottle

  • Fill a casserole dish with ice.
  • Carefully add about half a cup of hot water to the bottle. This should be about enough water to cover the bottom inch of the bottle.
  • Put the cap on the bottle and gently shake it up to get the hot water moving around in the bottle.
  • Lay the bottle on it’s side on top of the ice-filled casserole dish.
  • Gently pour some ice water on top of the bottle to help it cool down quickly.
  • Go ahead and pick your bottle up and examine it. Why do you think it got crushed?

Step 1: Pour Ice Into a Casserole Dish

This first step is pretty easy, but it is important to use a casserole dish or a large bowl that is big enough to fit a 2-liter bottle laying on its side.

Then fill your dish with a generous amount of ice cubes. If you have an ice maker in your freezer, you will want to make sure you save enough ice for this (don’t make the same mistake I did and use all your ice the night before).

Step 2: Add Some Hot Water to The Bottle

If your kids are doing this experiment, make sure they have some adult supervision for this part to prevent any burns. You want to pour some very hot, but not quite boiling water into the 2-liter bottle.

You don’t need a whole lot of water. About 1/2 cup should be plenty and should be about an inch deep in the bottle.

Pour hot water into a bottle

It’s also a good idea to use a funnel when pouring the steamy water in. This will again help prevent anyone from getting burnt and from making a mess.

Step 3: Tighten Up the Cap and Shake The Bottle

Now that you have some hot water inside the bottle, it’s important to quickly screw the cap back on. You want to trap the heat inside the bottle and you even want to shake the bottle up a little bit too.

Mix the hot water up inside the bottle

Shaking up the bottle for about 10 seconds or so will help splash the hot water around inside the bottle. This will warm up the plastic of the bottle and even heat up the air inside the bottle too!

Step 4: Put the Bottle on Ice

Leave the cap screwed on your bottle tightly and then quickly lay your warm bottle on its side on top of the ice-filled casserole dish.

Lay the bottle in a dish of ice

The idea of this is to make the air inside the bottle go from hot to cold as quickly as possible. The faster the temperature drops from hot to cold inside the bottle, the more dramatic the crushing of the bottle will be!

Step 5: Pour Ice Water on Top of The Bottle

Pour cold ice water on top of the bottle

To help your bottle cool down more quickly and speed up the crushing process, gently pour some cold and icy water over the bottle.

Now we have ice underneath the bottle and ice water pouring over the top of the bottle to really cool it down.

This will continue to drop the temperature of our once very warm bottle, while also decreasing the air pressure inside the bottle at the same time.

You should also see and hear your bottle starting to crush a little bit too!

The bottle will start to dent and crush

Step 6: Pick Up Your Bottle and See if it Looks or Feels Any Different

As long as you followed the steps above, your plastic bottle will look a little different than when we started this experiment.

Collapsing plastic bottle experiment

It should show some signs of denting and crushing in from the sides of the bottle. But don’t worry, if you unscrew the cap some air will rush into the bottle and should pop the bottle back into shape!

Open cap to let the bottle expand again

What Causes The Plastic Bottle to Collapse?

The science behind how this collapsing plastic bottle experiment works is all thanks to the difference in air pressure that is created from heating up and cooling down the bottle quickly.

When hot water is added to the bottle and the cap is screwed on, the hot water heats up the air inside the bottle. The hot air inside the bottle expands and tries to escape but has nowhere to go.

As a result of the air temperature inside the bottle increasing, the air pressure also increases inside the bottle. The pressure on the inside of the bottle becomes higher than the air pressure on the outside of the bottle.

Now that the warm bottle has high-pressure air inside, we cool it down quickly by putting it on the ice cubes and pouring ice water on it.

As the air inside the bottle cools quickly, the air pressure drops quickly inside the bottle.

Once the air pressure is lower inside the bottle and higher on the outside of the bottle the outside force of the air pressure pushes down on the bottle and collapses it.

The amazing thing about air pressure is that you can do anything from collapsing a plastic bottle with it to this Rising Water Experiment Step by Step .

How Air Pressure Relates to The Weather:

The high pressure that caused the plastic bottle to crush is the same way that high pressure can cause a basketball or football to go flat after going on a trip to the mountains!

Let me explain: Have you ever taken a trip to the mountains and brought a football along to play some catch!?

If you have done this, you may have noticed that your football felt much more inflated in the mountains (at a higher elevation) than it was when you left your house (at a lower elevation).

Once you get home from the mountains you then notice your football is even flatter than before and has lost a lot of air! Did your football get a hole in it!? Most likely not.

What actually happened is that the lower pressure in the mountains (there is less air on top of you because the atmosphere is thinner in the mountains) allowed the football to expand and some of the air escaped the football.

When you came back home to a lower elevation the air pressure increased again and there is higher pressure pushing down on the football.

This leads to higher pressure outside the football pushing down on the air inside the football and makes your football feel like it needs some more air!

Collapsing plastic bottle experiment

More Fun Science Experiments:

  • Upside Down Glass of Water Experiment
  • Egg Freshness Float Test
  • Breaking an Egg With One Hand Experiment

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Soda Bottle Volcano

Soda Bottle Volcano

Get 25% off the first month of your new craft box subscription with code BLOG25!  Green Kid Crafts delights tens of thousands of kids across North America each month with fun and eco-friendly craft and STEM activities delivered right to their door through our company’s craft subscription box program . Kids are sent a monthly Discovery Box, which is packed with between 5-8 activity kits designed to foster a child’s creativity and confidence. Each month brings a new theme; past themes have included Mad Scientist, Nocturnal Animals, Around the World, and Outer Space . Our team of kid testers help design each Discovery Box as well as the fun activities and projects for our blog like this one!

Making a soda bottle volcano is a classic science experiment that doubles as a great excuse to make an explosive mess. Read on for instructions on making a make a soda bottle volcano with soda and Mentos!

  • Ingredients:
  • 2-liter Soda bottle (we found that Club Soda worked great but you could also use any other type of soda).
  • Construction paper or index cards to roll into a tube

Soda Bottle Volcano

Directions:

Soda Bottle Volcano

Step 1: Create a tube as shown in the pictures slightly larger than the size of the Mentos pieces.

Step 2: Cut out a square piece of paper (or use an index card) to cover the soda bottle top.

Step 3: Removed the soda bottle cap and place the flat index card/square paper over it.

Soda Bottle Volcano

Step 4: Place the tube on top of the flat index card/square paper and fill with Mentos.

Soda Bottle Volcano

Step 5: Make sure the tube and soda bottle opening are aligned and quickly remove the flat card.

Step 6: The Mentos drop into the soda liquid and begin to react! Stand back as you may get wet!

  • Diet Coke tends to work better than other carbonated drinks because some ingredients react more violently with the Mentos. It’s also easier to clean up, as diet soft drinks don’t contain sugar, so the residue is less sticky and doesn’t attract as many insects.
  • Getting all the Mentos to fall in the bottle simultaneously is quite hard. If done incorrectly, the volcano will only rise a few inches or so. Practice getting the Mentos to drop simultaneously a few times before wasting your bottle of soda.
  • Why does the Mentos method work? While there is considerable debate over how and why, here’s the hypothesis: Water molecules strongly attract each other, linking together to form a tight mesh around each bubble of carbon dioxide gas in the soda. In order to form a new bubble, or even to expand a bubble that has already formed, water molecules must push away from each other. It takes extra energy to break this “surface tension.” When you drop the Mentos into the soda, the gelatin and gum arabic from the dissolving candy break the surface tension. Each Mentos candy has thousands of tiny pits all over the surface. These tiny pits are called nucleation sites – perfect places for carbon dioxide bubbles to form. As Mentos hit soda, bubbles form all over the surface of the candy. And, the fact that the Mentos candies sink to the bottom of the bottle gives a double-whammy. When all this gas is released, it literally pushes all the liquid up and out of the bottle in an incredible soda blast.
  • If you do experiment, it’s helpful to have a sink nearby!

If you’re not already a Green Kid Crafts subscriber, don’t wait another day to  join !

From $16.95 / month! Monthly boxes come with 4-8 award winning Creativity and STEM Science Kits (science, technology, engineering, and math) designed by experts around national standards to build confidence, flex creativity, and make kids smarter. All materials and instructions included, along with some fun extras! Each Discovery Box is created around an exciting new theme each month (think Outer Space, Nocturnal Animals, Backyard Science, Ocean, and Mad Scientist). You can cancel anytime.  Join Green Kid now  and save 25% off your first month with code BLOG25.

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A Dab of Glue Will Do

Little Learners, Big Ideas

PS PK K 1 2

Water Cycle in a Bottle Science Experiment

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Spring is the perfect season to celebrate all things water, rain, and clouds. This spring, make this easy water cycle in a bottle science experiment with your class to illustrate how the water cycle works up close and personal. Kids will love making their own water biomes in a bottle and will be fascinated to watch the water turn into a gas, turn back into a liquid, and fall back into the bottom of the bottle.

An upside down water bottle with clouds drawn on it with dyed blue liquid inside

Make this fun spring science activity with your class!

Supplies for the Water Cycle in a Bottle

  • Plastic bottle
  • Plastic cup
  • Ice cubes (optional)
  • Blue food coloring
  • Permanent marker

Kids love hands-on science! Try this water cycle in a bottle science experiment in your science center for early learners!

Setting Up for the Water Cycle in a Bottle

Remove the labels from the bottles. Add a drop of blue food coloring to each bottle and fill about 1/3 of the way with water. Screw the caps on tightly.

Kids love hands-on science! Try this water cycle in a bottle science experiment in your science center for early learners!

Doing the Water Cycle in a Bottle Experiment

Let the kids decorate their bottles with clouds, water and rain drops.

Turn the bottles upside down inside a cup.

Kids love hands-on science! Try this water cycle in a bottle science experiment in your science center for early learners!

Discuss the water cycle and why water evaporates and rains.

Place a couple of ice cubes on top of each bottle and set it in a sunny location.

Check the bottles after about an hour.

Kids love hands-on science! Try this water cycle in a bottle science experiment in your science center for early learners!

There should be condensation on the top of the bottle, and there may even be a small cloud there!

Watch as the droplets of water fall back to the bottom of the bottle.

Kids love hands-on science! Try this water cycle in a bottle science experiment in your science center for early learners!

Water Cycle in a Bottle Questions to Ask

Will the water cycle occur even without the ice cube?

What happens when you put the bottle in the sun?

How long does your mini water cycle take to complete?

The Science Behind The Water Cycle in a Bottle Science Experiment

Water has three states of matter: Liquid, gas, and solid. When liquid turns into a gas, this is called vaporization. Water evaporates, turns into a gas, and rises into the air. This collects water droplets at the top of the bottle, known as condensation, when gas turns back into water. When the water gets heavy enough, it falls back to the bottom of the bottle just how rain falls back to earth. Water evaporating and then turning back into a solid or liquid and returning to earth is the water cycle.

More Science Activities and Ideas

Walking Water Science for Kids

Science Notebook

Plants Unit

Want science planned for you ALL YEAR LONG?!

Do you want  science planned  for the  ENTIRE CALENDAR YEAR !? This  Endless Science Mega Bundle  will  save you so much time  and  keep your students engaged  and  excited about learning . This amazing resource contains  53 science topics  including  life science ,  physical science ,  earth science , and  animal studies .

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Dive into autumn with our Kindergarten Fall Science. Engage students with activities that explore the science of the changing seasons.

Reader Interactions

12 comments.

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July 25, 2018 at 6:42 am

Great Post!! I really like your article. Keep on Posting

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August 14, 2018 at 2:44 pm

Thank you so much for your kind words. Notes like this ALWAYS make my day and motivate me to keep doing what I am doing.

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April 29, 2020 at 8:15 pm

i did this and it was cool

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May 2, 2022 at 1:30 am

Best view i have ever seen !

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[…] SESE: The water cycle. Watch the following video on youtube. https://www.youtube.com/watch?v=ncORPosDrjI Listen to the water cycle song and make up your own actions to remember the song  https://www.youtube.com/watch?v=TWb4KlM2vts Draw a picture of the water cycle. You may also like to do the following experiment to watch how the water cycle happens. (all you need is a plastic bottle ) https://www.adabofgluewilldo.com/water-cycle-bottle-science-experiment/ […]

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IMAGES

  1. Experiments you can do with a 2L bottle

    science experiments with 2 liter bottle

  2. Make a Stable 2 Liter Bottle Rocket : 16 Steps

    science experiments with 2 liter bottle

  3. How To Make A Homemade Tornado With 2 Liter Bottles

    science experiments with 2 liter bottle

  4. 2 liter bottle self watering experiment DIY

    science experiments with 2 liter bottle

  5. More Than ABC: 2 Liter Bottle Tornado

    science experiments with 2 liter bottle

  6. DIY 2-liter Bottle Ecosystem Project

    science experiments with 2 liter bottle

VIDEO

  1. DIY Project

  2. Two holes in a soda bottle: Testing experiment

  3. Water and Ice! 🌊 🧊

  4. Make a CLOUD in a Bottle!

  5. Glass and Candle Experiment

  6. 2 easy science experiments [pt 5]

COMMENTS

  1. Experiments you can do with a 2L bottle

    4. Tornado Machine: There are two ways to do this- first you can purchase a tornado tube connector (I got the pictured connector from Steve Spangler Science), connect two bottles together, and give it a swirl.Another option is to use one bottle. Fill it with water, a small amount of vinegar, and a drop or two of soap. Give it a small shake, swirl it around, and watch a soapy vortex form inside.

  2. Science experiments you can do with a bottle

    August 17, 2022 By Emma Vanstone Leave a Comment. These science experiments you can do with a bottle are great for home or school, can be used over and over again and even recycled afterwards! Make rockets, lava lamps and even a drinks dispenser that actually works! Have a rocket race, find out who can make the longest bubbly snake and discover ...

  3. Bottle Diver Science Experiment

    Step 2 - Cut the straw and position it on the paper-clip as shown above. Each end should be secured by the ends of the paper clip. Step 3 - Slowly slide the straw onto the diver as shown above. The diver should look like he's wearing a scuba tank. Then place a small piece of play-dough or putty on the diver's feet.

  4. Hydroponics in a 2-Liter Soda Bottle

    Transform a two-liter bottle into a hydroponics container and grow a plant in it. Detailed instructions and the science behind the hydroponics can be found h...

  5. Hydroponics for Kids: Build a 2 Liter Bottle Garden

    Step 1: Prepare 2 Liter Bottle. Draw a Line. Rinse out the bottle to remove any residue of whatever drink was in there before it was empty. Take your 2 liter bottle and draw a line around it right where the curve ends and the bottle transitions to a straight line.

  6. Bottle Rocket Blast Off!

    You can make measurements for 1/8 volume of water (.25 L); 1/4 water (.5 L); 1/2 water (1 L), and 3/4 water (1.5 L). Note the volumes of water are listed for a 2 L bottle rocket. As an addition to your science project, you can add a drawing to scale showing how the average measured angle corresponds to reached heights.

  7. Home Science: Plastic Bottle Experiments

    Soda Bottle Science Experiments: A two-liter plastic bottle is a perfect place to create liquid fireworks, bubbles, or dancing raisins by conducting these science experiments. Make a Tornado in a Bottle: With a plastic bottle, dish soap, water, and glitter, you can make a water vortex that looks like a tornado.

  8. Ten science experiments you can do with a plastic bottle

    make a fire extinguisher. 2. Inflate a balloon. 3. The Sneezing Alien Experiment. 4. and 5. Ocean in a bottle experiment and Lava Lamp experiment. Those are the first five experiments. Have lots of fun with them, check back next week for the next five experiments.

  9. Elephant Toothpaste: Foamy Science Experiment

    Lastly, pour the yeast mixture into the bottle (a funnel helps here) and watch the foaminess begin! Make it in a larger quantity and use large a 2 liter plastic soda bottle! How Does the Elephant Toothpaste Science Experiment Work? Hydrogen peroxide is a solution we often use to clean our cuts. It kills bacteria on wounds.

  10. Rain, Rain, Don't Go Away Rain Gauge

    Instructions: Empty and wash out the 2 liter bottle so it's nice and clean. Take the scissors and cut off the spout top right where the taper or curve begins. Fill bottom of the bottle with 1/2 inch of sand. This will keep the bottle from falling over on those windy days. Pour in just enough water so you can see the water level above the sand.

  11. Super Easy Bottle Rocket

    Instructions: Place rubber stopper into empty 2-liter bottle. Put a piece of packing or duct tape near end of unsharpened pencil opposite eraser. Stand 2-liter bottle on rubber stopper and tape pencil to bottle so that it touches the ground. Repeat previous steps by taping a second pencil to 2-liter bottle.

  12. Make A Rain Gauge Weather Science Experiment

    In this fun and easy science experiment, we're going to explore and investigate weather by making a rain gauge. Important: Adult supervision and assistance is required. Materials: 2 liter clear plastic soda bottle X-acto knife Instructions: Remove the label from a clear plastic 2 liter soda bottle. Have an adult cut the top section off of the 2 liter…Read More

  13. Science for Kids

    The clear 2-liter bottle makes it easy to watch the composting process as it happens. We love finding new ways to use materials we already have around the house to use with science projects for kids. This recycled science project is a great way for kids to learn about composting in a hands-on way.

  14. Trap A Tornado Cool Science Experiment

    In this fun and easy cool science experiment, we're going to trap a tornado in a bottle. Materials: Two 2-liter plastic soda bottles Metal washer Duct tape Water Glitter, beads, food coloring Instructions: Fill one of the bottles about three quarters of the way with water. Add any glitter, beads, and food coloring you want to the water.

  15. How to Make a Whirlpool Science Project

    A model of a whirlpool or vortex can be created with simple items around the home. Remove the tops from both bottles. Fill the first bottle ¾ full of water. Add a few drops of food coloring. Hold the second bottle above the first with the bottle openings together. Use the duct tape to join the two bottles together securely.

  16. Make a water filter

    2-liter plastic bottle, empty and clean. Utility knife. Dirty water (make your own with stuff like coffee grounds, dirt, crunched-up old leaves, cooking oil, or tiny pieces of foam) Measuring cup. Spoon. Stopwatch or clock with a second hand. Pencil and paper. As many of the following filter materials as you can get: activated charcoal ...

  17. Water Pressure With Water Bottle Experiment

    Step 1: Poke 3 Holes In a Bottle. I like to use a large 2-liter bottle for this experiment, but even a smaller water bottle will work too. Make sure the label is removed from the bottle and it is nice and clean before creating the holes in your bottle. Then using a sharp nail or screw, and with adult supervision, carefully poke 3 holes at ...

  18. How to Make a Hurricane for a Science Project

    Simulating the vortex of a hurricane in a 2-liter bottle is a straightforward and simple at-home or classroom experiment. With a little tape, some hard plastic piping and other inexpensive materials, you can build a fun and reusable science project that illustrates the natural laws behind vortices, the physical phenomena that characterize hurricanes and tornadoes.

  19. Crush a Plastic Bottle Science Experiment

    How To Crush A Bottle Science Experiment Instructions. Step 1 - Gather your materials together and begin by filling your 8×11 pan with ice. Step 2 - Carefully, pour 1/2 cup of the hot water into the 2-liter bottle. After the water is in the bottle, wait for 2 minutes. As you are waiting make some observations.

  20. Mentos® Geyser Experiment

    While science teachers have been dropping candies and mints into 2-liter bottles of soda for years in an effort to release all of the dissolved carbon dioxide, the Mentos and Diet Coke reaction became world-famous in 2005. Fueled by hundreds of blogs and popular online sharing sites like YouTube, this once obscure reaction quickly became a ...

  21. Blobs in a Bottle

    Pour the water into the bottle. Use a measuring cup or funnel to slowly pour the vegetable oil into the bottle until it's almost full. You may have to wait a few minutes for the oil and water separate. Add 10 drops of food coloring to the bottle (we like red, but any color will look great.) The drops will pass through the oil and then mix ...

  22. Collapsing Plastic Bottle Experiment

    Step 2: Add Some Hot Water to The Bottle. If your kids are doing this experiment, make sure they have some adult supervision for this part to prevent any burns. You want to pour some very hot, but not quite boiling water into the 2-liter bottle. You don't need a whole lot of water. About 1/2 cup should be plenty and should be about an inch ...

  23. Soda Bottle Volcano

    Making a soda bottle volcano is a classic science experiment that doubles as a great excuse to make an explosive mess. Read on for instructions on making a make a soda bottle volcano with soda and Mentos! Ingredients: 2-liter Soda bottle (we found that Club Soda worked great but you could also use any other type of soda). Mentos

  24. Water Cycle in a Bottle Science Experiment

    Doing the Water Cycle in a Bottle Experiment. Let the kids decorate their bottles with clouds, water and rain drops. Turn the bottles upside down inside a cup. Discuss the water cycle and why water evaporates and rains. Place a couple of ice cubes on top of each bottle and set it in a sunny location. Check the bottles after about an hour.