middle school science experiments

40 Best Science Experiments & Projects for Middle School

Welcome to our curated collection of top science fair projects and experiments, perfectly tailored for the inquisitive middle schoolers. Our collection offers hands-on activities that will captivate young minds and ignite their passion for learning.

Science fairs during middle school years are less about competition and more about fostering a love for exploration, experimentation, and the thrill of the “Eureka!” moment. That’s why we have ensured that all the experiments on our list are fun and easy.

Through hands-on experimentation, students can gain a deeper understanding of scientific concepts, build confidence in their abilities, and cultivate a lifelong passion for learning.

1. Crushed Can

Students will be amazed as they witness an ordinary can being transformed before their very eyes. By simply heating it and then rapidly cooling it, the can will be crushed as if by magic!

Learn more: Little Bins Little Hands

2. Water Bottle Rockets

In this engaging activity, students will have the opportunity to design, build, and launch their very own water-propelled rockets.

By adjusting variables like water level and air pressure, they’ll witness firsthand how these factors impact the rocket’s flight path and distance.

3. Cabbage Ph Indicator

In this middle school science project, students will use red cabbage as a natural pH indicator to test the acidity or alkalinity of various household substances.

Learn more: Cabbage PH Indicator

4. Build a Solar Oven

By building these ingenious devices using simple materials, they will discover the incredible potential of renewable energy and its practical applications in everyday life.

Learn more: Solar Oven

5. Build a Helping Hand

In this captivating middle school science experiment, students will have the opportunity to construct their very own “Helping Hand” device.

Learn more: Science Buddies

6. DIY Lung Model

This captivating middle school project offers an exciting hands-on opportunity to explore the inner workings of our respiratory system.

By creating their own lung models using simple household materials, students will gain a deeper understanding of how our lungs function and the vital role they play in our bodies.

7. Flying Tea Bag

By harnessing the power of convection currents, students will learn about the fascinating relationship between heat and air pressure.

Learn more: Flying Tea Bag

8. Egg Float Experiment

In this captivating middle school science project, students will unlock the mysteries of density and water displacement while discovering the fascinating properties of eggs.

Learn more: Egg Float Experiment

9. Popsicle Stick Chain Reaction

This captivating middle school project is all about the magic of potential energy and kinetic energy. By carefully setting up a series of interlinked popsicle sticks, students will create a mesmerizing chain reaction that ripples through the entire structure.

10. How to See Sound

As they watch sound come to life through colorful visualizations, students will develop a deeper appreciation for the profound impact of sound in our daily lives.

11. Orange Peel Plate Tectonics

In this captivating middle school project, students will learn about the dynamic of Earth’s crust and explore the powerful forces that shape our planet’s surface.

12. Heart Pump

In this captivating middle school project, students will embark on a hands-on exploration of the human circulatory system and discover the marvels of the heart’s pumping mechanism.

Learn more: Heart Pump Model

13. Invisible Ink

By concocting their own invisible ink, students will discover the science behind chemical reactions and learn how certain substances react to reveal hidden text when exposed to heat, light, or other catalysts.

Learn more: Invisible Ink

14. DIY Grow Box

In this captivating middle school project, students will learn the wonders of plant growth and the art of nurturing a thriving garden.

By constructing their own affordable and innovative grow boxes using simple materials, they’ll have the perfect environment to observe the magical transformation from seeds to flourishing plants.

Learn more: Easy DIY Grow Box

15. Creative Ferris Wheel

By encouraging creativity and experimentation, this engaging experiment not only promises an exciting learning experience but also fosters teamwork and critical thinking

16. Alka Seltzer Rockets

Prepare for a high-flying adventure with the Alka Seltzer Rockets science experiment! This exciting and explosive activity is a perfect choice for middle school students eager to explore the wonders of chemical reactions and rocketry.

17. Why do Apples Turn Brown?

Through hands-on exploration, middle school students will discover the role of enzymes and oxygen in this intriguing transformation.

18. Water Bending Experiment

By understanding the principles of surface tension and cohesion, you’ll be able to create mesmerizing effects, seemingly bending water with just a piece of static material.

19. Water Clock

Experience the magic of timekeeping in its most ancient form with the fascinating Water Clock project! In this hands-on experiment, students will learn about history, physics, and engineering as they build their own timekeeping device using just water and a few simple materials.

Learn more: Steam Powered Family

20. Paper Ball Run Challenge

Get ready for a thrilling and creative adventure with the Paper Ball Run Challenge! In this captivating science experiment, you’ll explore the principles of motion, gravity, and engineering as you design and build your very own paper ball run.

21. Flood Barriers

As you construct and evaluate your barriers, you’ll gain a deeper understanding of how floods occur and the importance of finding effective solutions.

Learn more: Teachers are terrific

22. Exploring the Law of Inertia Experiment Using a Fidget Spinner

This engaging experiment will help you unravel Sir Isaac Newton’s Law of Inertia in a fun and hands-on way. By using a fidget spinner, you’ll explore how the spinning motion persists due to inertia and how different factors can influence its behavior.

23. Air Pressure Impact on Ping Pong Balls 

By investigating the effects of air pressure on these lightweight spheres, you’ll uncover the secrets of flight, aerodynamics, and atmospheric pressure.

24. Rolling Uphill

In this experiment, you’ll witness the baffling phenomenon of a ball seemingly defying gravity by rolling uphill on a specially designed track.

25. Pick Up Ice with a String

Have you ever wondered if it’s possible to lift ice using just a simple string? In this fascinating experiment, you’ll explore the principles of heat transfer and surface tension as you attempt to defy gravity and lift ice cubes with nothing but a string.

Learn more: Pick Up Ice with a String

26. Keep a Paper Towel Dry Under Water 

This captivating experiment will unveil the wonders of surface tension and hydrophobicity, as you attempt to create a barrier that defies the conventional wisdom of water soaking through paper.

Learn more: Keep a Paper Towel Dry Under Water

27. Upside Down Glass of Water

This mesmerizing experiment will unravel the fascinating concept of air pressure and its influence on liquids. As you turn a glass of water upside down and observe the water’s defiance of falling out, you’ll gain insight into the powerful role of air pressure in our everyday lives.

Learn more: Upside Down Glass of Water

28. Make a Wine Glass Sing

Have you ever wondered how to turn a simple glass of wine into a musical instrument? This captivating experiment will introduce you to the fascinating concept of acoustics and how sound waves interact with liquid-filled glasses.

29. Crush a Plastic Bottle

Are you curious about the forces at play when we compress a seemingly indestructible plastic bottle? This captivating experiment will unravel the science behind how pressure and air interact to create this astonishing effect.

Learn more: Crush a Plastic Bottle

30. Ruler Changes Size

Get ready to witness an optical illusion that will challenge your perception of reality. In this captivating experiment, you’ll explore the fascinating phenomenon of light refraction and how it can make objects appear different than they really are.

31. Egg in a Bottle

Have you ever wondered how to get an egg into a bottle without breaking it? This mesmerizing experiment will introduce you to the concept of air pressure and how it can be harnessed to achieve the impossible.

Learn more: Egg in a Bottle

32. Water Doesn’t Leak Out Science Experiment

This hands-on activity not only sparks curiosity and amazement but also teaches you about the properties of gases and the laws of physics.

So, get ready to be astounded and dive into the magic of science with the “Water Doesn’t Leak Out” experiment – an entertaining and enlightening adventure that will leave you thirsting for more knowledge!

Learn more: Water Science Experiment

33. Pick Up a Ball with a Jar

This captivating experiment will introduce you to the fascinating concept of air pressure and how it can create a powerful force that defies gravity.

34. Glowing Water Science

This captivating experiment will introduce you to the fascinating properties of fluorescent materials and how they interact with light.

35. Fizzy Cloud Dough

The fizzing reaction not only adds an element of excitement but also provides a great opportunity to explore the science of chemical reactions and the release of carbon dioxide.

Learn more: Fizzy Cloud Dough

36. Underwater Magic Sand

Get ready to witness the marvels of hydrophobic science and explore the secrets of this captivating underwater magic sand experiment.

Learn more: Teaching Mama Org

37. Make Bouncy Polymer Balls

This captivating experiment will take you on an exciting journey into the realm of polymers and chemical reactions.

38. Use a Crayon as a Candle

This hands-on activity not only sparks curiosity and excitement but also offers a safe and educational way to explore the science of combustion and the flammability of materials.

Learn more: Crayon Candle

39. Flame Test Colors

Not only does it spark curiosity and wonder but also deepens your understanding of the emission spectra of elements.

So, get ready to illuminate your scientific knowledge with the “Flame Test Colors” experiment – an educational and visually stunning adventure that will leave you dazzled and eager to discover more about the fascinating world of chemistry!

Learn more: Thought Co

40. Grow A Bean Plant

By planting a simple bean seed and providing it with water, sunlight, and care, you’ll witness the fascinating process of germination and watch as your bean seedling sprouts and grows.

Similar Posts:

• 68 Best Chemistry Experiments: Learn About Chemical Reactions
• 37 Water Science Experiments: Fun & Easy
• Top 100 Fine Motor Skills Activities for Toddlers and Preschoolers

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Middle School Science Experiments

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Get ideas for science experiments targeted at the middle school educational level. Find out how to perform an experiment and get a hypothesis to test.

Fruit Battery Experiment

 Natthakan Jommanee / EyeEm / Getty Images

Make a battery using household materials and a piece of fruit. Does one type of fruit or vegetable work better than another? Remember, it's easiest to test the null hypothesis . Hypothesis: Current produced by a fruit battery does not depend on the type of fruit that is used.

Battery Experiment Resources

How to Make a Fruit Battery Electrochemical Cells Potato-Powered LCD Clock Human Battery Demonstration

Bubbles and Temperature

 Sascha Jung / EyeEm

Blowing bubbles is fun. There is a lot of science to bubbles, too. You can perform an experiment to see how factors affect bubbles. What is the perfect bubble solution? What makes the best bubble wand? Can you color bubbles with food coloring? Does temperature affect how long bubbles last? Hypothesis: Bubble life is not affected by temperature. Bubble Experiment Resources More about Bubble Life and Temperature Glowing Bubbles Bubble Fingerprints

Breakfast and Learning

You've heard about how important breakfast is to performance in school. Put it to the test! There are several experiments you can design around this topic. Does eating breakfast help you stay on task? Does it matter what you eat for breakfast? Would breakfast help you equally well for math as for English?

Hypothesis: Students who eat breakfast will not score differently on a vocabulary test than students who skipped breakfast.

Rocket Balloon Experiment

 Radu Dan / Getty Images

Rocket balloons are a fun way to study the laws of motion, plus they use a safe propellant.

You can design a middle school experiment exploring the effect of balloon size on the distance a rocket travels, whether the temperature of the air makes a difference, whether a helium balloon rocket and an air balloon rocket travel the same distance, and more.

Hypothesis: The size of the balloon doesn't affect the distance a balloon rocket travels. Rocket Experiment Resources Make a Match Rocket Newton's Laws of Motion

Crystal Experiments

 mark watson (kalimistuk) / Getty Images

Crystals are good middle school experimental subjects. You can examine the factors that affect the rate of crystal growth or the form of the crystals that are produced.

Sample Hypothesis:

• The rate of evaporation does not affect final crystal size.
• Crystals grown using food coloring will be the same size and shape as those grown without it.

Crystal Experiment Resources Crystal Science Fair Projects What Is a Crystal? How to Grow Crystals How to Make a Saturated Solution Crystal Projects to Try

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• Easy Chemistry Experiments to Do at Home
• Melting Ice Science Experiment
• Fluorescent Light Science Experiment
• Baggie Chemistry Experiments
• Grade School Science Fair Project Ideas
• Bottle Balloon Blow-Up Experiment
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• Fried Green Egg Food Science Project
• Frankenworms Dancing Gummy Worms Science Experiment
• How to Make a Mentos & Diet Soda Chemical Volcano Eruption

20 STEM Projects That Are Great for Middle School

Krystal DeVille

August 24, 2024

STEM projects allow middle school students to explore science, technology, engineering, and math in fun and hands-on ways. Check out these middle school STEM projects and activities designed to enhance STEM education by engaging students in hands-on learning.

Pick which middle school STEM activities you want to try first.

Simply click the title of each lesson in the list to get the full lesson plan for these great STEM challenges that align with the lessons they are working on.

Alongside these projects, we also offer a variety of easy STEM challenges that can serve as introductory activities for beginners.

I’ve gone through all the educational subscription boxes for teenagers and put together the best ones in this resource, teenagers’ top STEM subscription boxes .

Table of Contents

STEM Activities for Middle School Students

1.  i breathe what.

Students can improve their problem-solving skills and understanding of the scientific method by exploring air quality through pollen, dust, and particulates using their homemade ‘pollution detectors.’

They will hypothesize what causes the differences and explain why engineers look at the particulate matter when they observe air quality.

2. Design a Bridge

This is a classic to add to your middle school STEM activities.

It’s a fun way of using simple machines and various materials, students design bridges that can hold 100 pennies for 30 seconds without collapsing, teaching them fundamental principles of physics.

Review engineering concepts such as load and force with your classes before they get started. Consider using craft sticks as one of the materials, which are great for learning about weight distribution and structural integrity.

3. Spaghetti Soapbox Derby

In this science experiment, pairs of students design, build, and test model vehicles made from dry pasta and hot glue. The goal is to roll along a ramp and coast as far as possible. This STEM activity focuses on using somewhat challenging materials in the best possible ways.

For an added challenge, students can use rubber bands to enhance the propulsion of their pasta vehicles.

4. Trail Planning Using Topographic Quadrangle Maps

This earth science activity first calls for familiarity with US Geological Survey quadrangle maps. Working within set guideline requirements, students then use these maps to design a good route for a new recreational trail.

5. Bikini Bottom Genetics

Students apply an understanding of genetics in an analysis of sea creature genotypes that live in SpongeBob SquarePants’ neighborhood. Using Punnett squares, they predict the traits of offspring.

6. Design a Wristwatch for the Visually Impaired

Help your students review the engineering design process. They will then research, model, test and evaluate wristwatches for individuals with visual impairments as an exercise in applying engineering skills in the areas of bioengineering and biomedical engineering.

Take a look at our review of Groovy Lab in a Box . It’s hard to convey, but after reviewing about a dozen educational STEM subscription services, Groovy Lab Box has the most well-thought-out lesson plans!

7. Use Your Shoe!

Teachers collect shoe size data from the class.

As a group, they use the data to determine the mean, median, and mode. Students then use that information to make inferences about average shoe size and broader populations.

This STEM activity provides a review of how to calculate mean, median, and mode, along with methods to make inferences based on the sample.

While this article focuses on middle schoolers, we also recommend fun and educational STEM projects suitable for elementary students .

8. Mission to Mars

Following a storyline, task your students with completing various STEM challenges, including understanding chemical reactions through a Coke and Mentos experiment as part of a Mars emergency.

Teamwork, engineering design, and the use of science topics in real life are all addressed.

9. Snack Time!

Using nutritional information labels from various packaged foods, students will organize and describe that info to show the data in a box-and-whisker plot, bar graph, and pie chart.

This activity touches on both math and science standards.

10. No Valve in Vain

Teams of students employ the engineering design process to use tape and plastic tubing to create heart valve models. For this activity, the class reviews the engineering design process and the workings of a one-way valve.

For older kids, particularly high school students looking for more advanced challenges, please check out our article, The Best Science Sets for Teens .

11. Marble Speed Traps with Lego Mindstorms

Students review the formula for velocity . Using drag and drop programming, they code the speed traps to measure the distance between the sensors and time it takes the marble to travel between them.

They design the course, write the code, convert units, evaluate, and make changes as needed.

12. The Million Dollar Project

Students imagine inheriting and spending 1 million dollars with specific guidelines of how they may use that money. They research on the internet, record all purchases, learn to write checks, and track all their spending, which reinforces various mathematical concepts.

13. Explore the Law of Inertia using a Fidget Spinner

Review the equations for torque and inertia with students. By removing lights (weight) from spinners, they can explore how the amount of time the device will continue spinning is affected by the mass.

14. Backyard Weather Stations

Working in groups, students describe the current weather and predict future conditions by observing cloud formations. They design backyard weather stations that could gather data for actual forecasting. Technologies for forecasting would be explored, along with weather basics.

15. Leaning Tower of Pasta

Review compression and tension in structure stability with your class. Students use math and engineering concepts to design and build structures with long, dry spaghetti and marshmallows, to find which ones can withstand the largest amount of load.

16. Cleaning the Great Lakes

What better way to understand environmental science than by having students use limited materials to discover how to filter pollutants from dirty water? Teachers may use this challenge activity along with earth science units about water pollution or those concerning local lakes.

17. Soil Biosolarization: Sustainable Weed Killer

Serving as agricultural engineers, students explore the effectiveness of this sustainable weed control technique that uses organic waste instead of poisons.

By using seed starter pots, they plant “weeds” and test the use of organic matter, like oatmeal, to see if it kills the weeds, assessing the impact of products and systems.

18. Renewable Energy: Power Your School

In pairs, students use real data to assess the possible use of solar or wind power generation at their school.

Using science, math, and engineering concepts, they explore the differences between these two methods, use maps for an analysis of potential, and look at factors related to the feasibility of renewable energy at their location.

19. Generate Your Own Ocean Currents!

Encourage critical thinking and understanding of real-world applications as students design and construct ocean models to study wind-driven currents.

Through this challenge project, they will explore circulation patterns, the Coriolis effect, and the transfer of heat from the global ocean convection cycle.

20. Scaling Up Candy Wrappers

Students bring in their favorite candy bar wrappers, choose a scale factor (larger than 5), and enlarge their wrappers to that scale in a drawing on grid paper.

Scaling up candy wrappers is not just educational, but also a lot of fun, teaching kids about the math concept of scale factor. They can then color and display their finished projects!

21. Rube Goldberg Machines

What is a rube goldberg machine.

A Rube Goldberg machine is a deliberately complex contraption in which a series of devices perform simple tasks linked together to produce a domino effect, ultimately accomplishing a simple goal in a highly complex manner.

Named after the American cartoonist Rube Goldberg, these machines are fantastic tools for teaching students about physics, engineering, and critical thinking.

Why Include Rube Goldberg Machines in Middle School STEM?

• Encourages Creative Thinking : Building these machines requires students to think outside the box and use their imagination to solve problems.
• Teaches Basic Physics Principles : Concepts like energy transfer, motion, and simple machines come to life in a Rube Goldberg project.
• Enhances Teamwork and Collaboration : Students often work in teams, learning to communicate and collaborate to design and build their machines.
• Develops Problem-Solving Skills : Students learn to troubleshoot and iterate, key skills in any STEM field.

Implementing Rube Goldberg Machine Projects

• Introduce the Concept : Start with a brief history of Rube Goldberg and show examples of Rube Goldberg machines, either through videos or illustrations.
• Define the Project Scope : Set clear goals and parameters. For example, each machine must have a minimum number of steps or complete a specific task.
• Materials : Encourage creativity by allowing a wide range of materials, from household items to recycled materials.
• Documentation : Have students document their design process, challenges, and solutions. This can be in the form of a journal, video, or presentation.
• Presentation and Reflection : Allow students to present their machines to the class. Encourage them to discuss what they learned and how they overcame obstacles.

22. Egg Drop Challenge

What is the Egg Drop Challenge? An engaging physics experiment for middle schoolers, the Egg Drop Challenge involves designing a device to protect a raw egg from breaking when dropped from a height. It’s an excellent way for students to apply concepts of gravity, impact force, and material properties.

Why It’s Beneficial:

• Encourages creative problem-solving.
• Demonstrates physics principles like momentum and shock absorption.
• Promotes teamwork and collaborative skills.

Implementing the Challenge:

• Materials: Offer materials like straws, balloons, and craft sticks.
• Design and Build: Students design and construct their egg-protecting devices.
• The Drop: Test the devices by dropping eggs from a set height.
• Analysis: Discuss the outcomes, focusing on physics concepts and design strategies.

Curriculum Alignment: This challenge complements the middle school physics curriculum, applying theoretical concepts practically.

23. The Index Card Tower Challenge

What is the Index Card Tower Challenge? The Index Card Tower Challenge is a straightforward yet engaging activity that introduces students to basic principles of physical science and engineering. Using only index cards, students are challenged to build the tallest possible tower.

This activity is the best way to demonstrate concepts like balance, gravity, and kinetic energy, making it perfect for kids of all ages, including younger kids.

Why It’s Essential in STEM Curriculum:

• Introduces Physical Science Concepts: Focuses on basic principles like stability and kinetic energy.
• Encourages Creative Problem-Solving: Challenges students to think innovatively using simple materials.
• Accessible to All Ages: Easily adaptable for different age groups, making it suitable for both younger kids and older students.
• Prepares for Future Careers: Develops foundational skills useful in various STEM fields.
• Materials: Provide students with a stack of index cards.
• Build the Tower: Students experiment with different construction techniques to build their towers.
• Discussion on Physical Science: After the activity, discuss how forces like gravity and kinetic energy influenced their designs.
• Real-World Connection: Relate the activity to real-world structures and engineering challenges.

How It Fits Into STEM Courses: The Index Card Tower Challenge is a versatile activity that can be integrated into various STEM courses. It encourages students to apply scientific principles and think critically about engineering challenges, making it a valuable addition to any STEM curriculum.

How To Make The Most Of These Fun STEM Activities for Middle School Students

Whether in STEM labs, at home, or in the classroom, engaging students with discussion questions throughout these hands-on activities is vital.

To connect with students’ interests, some of these STEM activities offer different ways, including the design or analysis of simple video games, blending technology with creativity.

We rounded up these projects specifically because they align with learning objectives and lessons for 6th to 8th-grade students. Ask how this applies to what they’re currently learning in class? What did the project demonstrate?

Let us know in the comments what your favorite Middle School STEM projects! We’d love to hear them.

2 thoughts on “20 STEM Projects That Are Great for Middle School”

I taught bridge building to sixth grade students. The only thing I taught them was information and diagrams about trusses. They had to take notes for their own use during construction. Gave them the materials, formed groups and gave them them help without interfering with their own ideas. The amount of enthusiasm I have seldom seen in middle school. They were so excited they told their other teachers about the project. The bridges were beautiful and so strong. It was great to see the application of the trusses! I am all for STEM activities!

These are some great activities thanks for sharing and I’ll use them at my school.

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Top 13 Simple Science Experiments for Middle Schoolers

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Middle school science fairs and hands-on science lessons are an exciting and immersive part of any student’s education, and there is a great deal of potential to make them super fun!

When first looking into ideas for projects to take on, however, it can feel a little daunting. After all, what experiments strike the perfect balance between fascinating and achievable for young children?

If you’re trying to get started and have hit a bit of a roadblock with those blue-ribbon ideas to inspire future STEM leaders , here are 13 great ideas that are age appropriate while also being interesting and challenging!

Table of Contents

• Test How Color Affects Memory

Are specific colors better for your memory? Does it help to write notes and flashcards in one color more than it does with another?

This is a low-budget project that any student or classroom could take on, requiring only a variety of colored pens or markers, index cards and participants.

• Gather willing participants (classmates, teachers, etc.) and select a few obscure dates from history.
• On three sets of index cards, write the dates on the front and the event that corresponds with the dates on the back. One group should be in black marker, the second should be in a color that matches the emotional response to an event (red for danger, green for growth, etc.) and the third should be a different, randomly chosen color.
• Divide participants into the control group, the trend group and the random group. Give them all time to study the cards and then test their memory either through written or oral examination.
• The next day, conduct the same test with the participants without giving them additional study time to test long-term memory.

Not only is this middle school science experiment extremely easy to conduct, it can also help students learn potential vital study skills for any subject area in their future!

• Use Charcoal to Purify Water

Water filtration systems are extremely common nowadays, but to many it’s a complete mystery how they actually work!

This is a fairly simple experiment as well, so you’ll only need a measuring cup, a teaspoon, two baby food jars, water, activated charcoal and red food coloring.

• Fill the measuring cup with ½ cup of water and add 8 drops of food coloring. Pour half of the mixture into each of the jars.
• Add 2 teaspoons of activated charcoal to one jar and put the lids on both jars. Leave them in a place where they will be undisturbed for several days.
• Note the colors of the jars after 4 hours, 24 hours and then once a day for the remaining three days.

This experiment is great because it is simple, exciting and can be completed in a fairly short time frame. Plus, students will have an added appreciation for the importance of clean, filtered water!

• Experiment with Crystals

Crystals are easy to grow and a lot of fun for young students. Plus, there are many ways you can experiment with them during and after the growing process!

One specific way we can explore is aiming for a specific shape and end-product by making a crystal flower.

Either a real or fake flower will work for this experiment, but you do need a physical one to start one. If it is weak, you will want a pipe cleaner to support the weight. Other than that, all you will need is borax, hot water and food coloring.

• Pour boiling water into a cup or jar large enough to hold the flower.
• Stir in borax until it is finished dissolving and add food coloring.
• Place the flower into the cup and let the crystals grow for anywhere between a few hours and overnight (the longer you give, the thicker the crystals will be).
• Remove the crystal flower from the cup and place it on a paper towel to dry!

This is an extremely basic and easy experiment with exciting and beautiful results, so it can make for a fantastic classroom activity!

• See How Sugary Drinks Impact Teeth

Everyone knows the general concept that sugary drinks like soda and juice are terrible for your teeth and several other areas as well, but what if we could show young students just how bad they are?

The basic materials required here will be five eggs, five cups and masking tape. In terms of the drinks you’ll need, make sure to gather water, a dark sugar-free drink like gatorade, a dark juice like grape juice, a dark soda like cola and orange juice.

• Fill and label each cup with the name of their respective contents.
• Add the eggs and leave them in a safe spot. Be sure to check every few hours to record any noticeable updates.
• After 24 hours, take out the eggs. Since eggshells have a similar calcium makeup to enamel, the effects that each drink has on the shell will give a general intensified idea of how they impact teeth.

Not only will this experiment help to give students a general understanding of how sugary drinks can impact their teeth, it may inspire them to scrub a little more thoroughly every time they brush!

• Make a Hanging Compass to Understand Magnetism

If the science behind magnets is something that interests your students or is relevant to your curriculum, a hanging compass experiment may be the perfect way to go!

This will help them understand the Earth’s magnetic field as it influences the needle of the compass.

All that will be needed here is a magnet, a large steel sewing needles, a few smaller steel needles, pencil, a string and a wide-mouthed jar or cup.

• Rub the pointed end of the large needle on one end of the magnet 30-50 times to align the electrons in the needle and magnetize it. You can test this with the smaller needles by trying to gentle pick them up with the large needle (if it does not work, repeat this step).
• Knot one end of the string around the middle of the needle and the other end around the middle of the pencil.
• Lay the pencil across the mouth of the jar with the needle inside. The needle will turn to point North.

And just like that, you created a compass! This is a great hands-on way to show how magnetism works with the Earth’s natural magnetic field.

• Copper Plate Coins

This is a fun and creative way to learn how to use simple, common items to plate coins with copper. You can even incorporate unique designs into the finished product!

This is all done through electricity and can both make for a fascinating individual project or a part of a core lesson plan.

The materials required for this can be found in most homes or a quick trip to a dollar store. You’ll need a plastic cup, distilled white vinegar, two alligator clips (one red and one black), two copper strips, a nickel or quarter, a 9v battery and battery snap, masking tape, scissors and rubbing alcohol.

• Fill the cup with vinegar to a point that is about 2 in. high. Mark a small piece of tape with “+” and another with “-” to tape to either side of the cup.
• Clip a copper strip to the end of each alligator clip.
• Submerge the copper strips and tape the clips in place to keep them out of the vinegar.
• Place the battery into the battery snap and connect the black alligator clip to the black wire lead and the red clip to the red wire lead.
• Wait three hours until the vinegar is a greenish blue. Clean the coin with rubbing alcohol and take the positive alligator clip and copper strip out of the vinegar, replacing with the coin and submerging.
• Wait about 15-20 minutes before taking the coin out and drying it on a paper towel. The coin will now be copper plated!

If you are feeling particularly creative with this project, you can tape neat designs onto the coin to get a fun pattern or look with the plating.

Test How Oil Spills Impact Wildlife

Something that can really hit home for students is how their environment is being impacted by the actions of humans.

Specifically, we have already witnessed the disastrous effects of oil spills in recent history, so showing students just how it impacts our wildlife can help to further emphasize it.

All you will need here is water, liquid soap, corn oil, vegetable oil, a toothbrush and a feather. The feather is intended to represent wildlife like birds who are commonly affected by these accidents.

• Make a chart with the titles “Absorbed,” “Repelled” and “Changes” written across the top and “Water,” “Oil” and Liquid soap along the left side. Draw lines to form a grid.
• Dip the feather in water and record whether it was absorbed or repelled. Note any changes.
• Do the same with the oil and note whether there are any differences. Try to sprinkle water on the oil-soaked feather and note whether the water is absorbed or repelled this time.
• Add some soap to the water and try to scrub off the oil with the soapy water and toothbrush.
• Note how easy or difficult it was to clean the feather and how successfully it was able to return to its original state (or if it wasn’t).

This experiment will show how oil can compromise a feather’s ability to maintain warmth and dryness, showing the importance of caring for our environment and keeping these spills from happening in the first place as much as we can!

• Design a Solar Oven

Solar energy in general is becoming a much more popular and necessary source of electricity.

Believe it or not, it’s actually pretty easy to demonstrate how it all works to young students and actually have them design their own solar oven that can be used while camping or simply trying to cook with greener energy sources!

To tackle this experiment, you will need a cardboard pizza box, a pencil, a ruler, scissors, foil, clear tape, black construction paper, plastic wrap, newspapers, an oven mitt, a dish, a thermometer and cooking ingredients (avoid raw meat)!

• Make sure to clean the pizza box before use in case of any leftover cheese or crumbs. Use the pencil and ruler to draw a square one inch from the top of the box.
• Cut out three of the four sides of the square. Crease the uncut side to create a flap that stands up.
• Cut a piece of foil to use to cover the inner side of the flap. Wrap it tightly and secure it with tape.
• Line the bottom of the box with the black construction paper.
• Cut two pieces of plastic wrap the same size as the top of the box. Secure them to the inside edges of the square window with tape so that it is airtight.
• Roll the newspapers into tubes to stuff into the sides of the box (it should still be able to close).
• Use the oven and the sun to cook something (preferably between 11 A.M. and 2 P.M.)!

While this project may take some time, it is definitely something any young student can tackle. Plus, it produces some exciting and delicious results!

• Determine Whether Texting is a New Language

Texting has become such an integral part of our society’s communication particularly for younger generations.

Can it be considered a new language, though?

All that is needed for this project is a computer with internet access, a mobile phone, a digital camera and typical office supplies like paper, pens and poster board.

• Read overviews of relevant research and topics. Basic research surrounding linguistics and text messaging are fairly easy to find and understand.
• Compile a text messaging glossary. This can be accomplished through students’ basic knowledge of texting rhetoric as well as some more searches for common phrases, spellings and acronyms.
• Design a new text messaging application and interpret findings in a detailed report. Show these findings visually through charts and graphs.

While this experiment may not concern commonly relevant subject areas, it can easily tie into more social areas of science such as linguistics and communication as well as lead into topics surrounding technology .

• Dissect a Flower

Dissection of any organism can do a great job at explaining anatomy to students in a hands-on and visual way that lectures don’t provide.

That said, it can be hard to acquire and dissect animals like frogs or sharks, especially when it comes to younger classrooms. Plus, these projects can turn some stomachs at any age group. Flowers, however, are easy to obtain and have just as much educational potential!

For this, you will need flowers with easily identifiable parts. This could be something like a hibiscus, for instance, or any flower that will clearly display the anatomy being taught. You will also need a scalpel, pins and materials to draw and label the parts of the flower as students discover them.

• Carefully instruct students how to properly use a scalpel to make educated incisissions and locate relevant parts of the flower like the pistil, stamen and others.
• Use the pins to keep the flower open and make it possible to really study the insides of the plant. During this time, students can draw what they are seeing and label each part as they are able to identify it.
• Chart the different lengths of the flowers each student is dissecting to open up discussion on how these differences may have occurred and how they make impact the flowers’ fertility.

Of course, it’s always interesting to move onto other more complex dissections, but this is a great place for students to start!

• Create a Homemade Thermometer

Thermometers have been such a basic part of so many areas of society for so long now, including health, environmentalism and more.

It’s also much easier than you may think to make your own!

To take this on, you will need some basic materials like modeling clay, red food coloring, water, rubbing alcohol, a clear straw, a clear plastic bottle and a thermometer for reference.

• Pour equal amounts of water and rubbing alcohol into the bottle until it is a quarter of the way full.
• Add a few drops of food coloring and shake to mix.
• Insert the straw and wrap modeling clay around part of the straw and the bottle opening to ensure that it stays put. Do make sure to leave the opening of the straw uncovered.
• Test the thermometer by wrapping hands around the bottle and seeing what happens as it heats up! The mixture will expand from the heat and cause the red liquid to raise up in the straw.

This is an incredible safe and easy way to make your own thermometer, and it opens up the possibility for discussion with how heat can impact substances!

14 Science Experiments for Middle School — Unlock the Wonders of The World in Your Classroom

1. Crystals

Unleash your creativity and amaze even the biggest skeptics with this delightful experiment! It’s simple to set up yet produces stunningly beautiful results that will be sure to captivate students.

2. Copper Plate Coins

Watch this video to fully understand how to conduct the experiment.

3. A Solar Oven

What You’ll Need:

4. Dissect a Flower

Dissection is both an effective and engaging way to teach anatomy – but it can be tough for younger classes when the cost or contents don’t quite fit. That’s why flowers have become a great alternative: they offer up just as much knowledge, with little messiness and even less fuss.

Starting with simpler dissection exercises can be an exciting way to introduce students to the fascinating and intricate world of anatomy.

5. Homemade Thermometer

Thermometers have an impressive history of being essential to many parts of our world, such as health and the environment. Believe it or not – making your own thermometer is just a few steps away.

Students can now explore the mysterious world of acids and bases in a fun, creative way. By testing different items with this method, students will develop an understanding of the general level of acidity. Unlocking secrets never seemed so easy.

After watching this video you’ll get understanding pH scales and identifying acidic and basic materials.

7. Oil Spills

8. water clock.

Water’s passage of time can be tracked by two distinct clocks. Inflow water clocks collect the liquid into a vessel, allowing users to measure its accumulation along graduated markings. Alternatively, outflow versions record how many escapes from their containers in order to calculate minutes and hours gone by.

9. Purify Water

Watch this video and learn how to do own water filter using simple materials.

10. Hanging Compass

Discover together why compasses always point north and uncover secrets about magnetism in your classroom – it’s sure to be fascinating for everyone involved.

11. Grow Box

As the warm days of summer fade, a chill creeps in that demands we put on layers before stepping outside. Our gardens go dormant as plants wilt and our own homegrown produce bows out for the season.

It’s with sadness that I bid goodbye to those freshly picked veggies from my garden – always providing so much more satisfaction than store-bought varieties!

12. How Color Influences Memory

This simple middle-school science experiment isn’t just a fun activity – it gives students an excellent opportunity to learn skills that can help them be successful with any subject.

This video has a lot to say about how color affects our mood and behavior.

13. Da Vinci Bridge

14. find out how sugary drinks affect teeth.

We all know that sugary drinks can have adverse reactions on our health, but what happens when we show young students the extent of those effects?

Here’s an example how one of my colleagues experimented with her students.

Students in #PAGrade8 performing controlled experiments to determine which reactants are responsible for the changes observed in a chemical reaction. ?‍? ? #PAExplore @PA_Sciences pic.twitter.com/tT2Ew1Shpl — Middle School | Pulaski Academy (@PA_MidSchool) February 28, 2023

Keep Learning

Overall, these science experiments for middle school are great for teaching middle school students the basics of science. Each experiment has its own unique approach to introducing scientific concepts and principles in an engaging way that will help them understand more complex topics later on.

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Science Experiments For Middle Schoolers

Middle schoolers love science! These hands-on middle school science experiments can be completed in the classroom or at home, whether you’re exploring viscosity, density, liquids, solids, and more. Below you’ll find a great list of middle school science activities and experiments, including 7th grader science fair project ideas to get you started. 

What is Middle School Science?

Are you looking for cool science experiments for kids that also offers a valuable opportunity to learn basic chemistry, physics, and earth science concepts? With simple ingredients and basic materials, your middle school students will have a blast with these easy science experiments.

You’ll find that just about every science experiment on the list below uses supplies you can easily find around the house or classroom or are quick and easy to pick up at the supermarket.

Mason jars, empty plastic bottles, baking soda, salt, vinegar, zip-top bags, rubber bands, glue, hydrogen peroxide, food coloring (always fun but optional), and various other common ingredients make science accessible to everyone!

Explore chemical reactions to simple machines, surface tension, gravity, buoyancy, and more with various science experiments, demonstrations, and activities.

Printable Science and STEM Packs

For a comprehensive guide to all of our science and STEM projects , make sure to look at these guides to get started today.

Try These Science Experiments for Middle Schoolers

Grab a pen and make a list! Everything you need for educational and fun science is right here.

At the end of this huge list, you’ll find more science resource guides such as vocabulary words , book choices , and information on the science process !

Alka Seltzer Rocket

Get ready for some fun with this Alka Seltzer Rocket. Easy to set up and simple to do, it is chemistry in action!

Apple Browning Experiment

How do you keep apples from turning brown? Do all apples turn brown at the same rate? Answer these burning apple science questions with an apple oxidation experiment.

Archimedes Screw

Archimedes’ screw, is one of the earliest machines used for moving water from a lower area to a higher area. Make an Archimedes screw that uses cardboard and a water bottle to create a machine to move cereal!

Atoms are tiny but very important building blocks of everything in our world. What are the parts of an atom?

Balloon Experiment

Blow up a balloon using a baking soda and vinegar chemical reaction. Also try our soda balloon experiment .

Blubber Experiment

How do whales stay warm in very cold water? Test out how blubber works as an insulator with this fun science experiment.

Bottle Rocket

There’s nothing better than a baking soda and vinegar reaction when it comes to science experiments, and it is great for a variety of ages including middle schoolers.

Cabbage pH Indicator

Explore how re cabbage can be used to test liquids of varying acid levels. Depending on the pH of the liquid, the cabbage turns various shades of pink, purple, or green! It’s incredibly cool to watch, and kids love it!

Cells (Animals and Plants)

Learn about the unique structures that make up plant and animal cells with these two free, hands-on STEAM projects.

Candy Experiments

Take a sweet treat and apply science to it. There are a variety of ways you can experiment and explore candy for physics fun!

Crushed Can Experiment

Love exploding experiments? YES!! Well here’s another one the kids are sure to love except this one is an imploding or collapsing experiment! Learn about atmospheric pressure with this incredible can crusher experiment.

Dancing Corn

Can you make corn dance? Explore a simple chemical reaction, with the addition of corn kernels. Also try it with raisins or cranberries !

Dancing Sprinkles

Turn on your favorite tunes and make colorful sprinkles dance! Explore sound and vibrations when you try this fun   dancing sprinkles experiment.

DIY Compass

Learn what a compass is and how a compass works, as you make your own homemade compass. All you need are a few simple materials to get started.

DNA Extraction

Usually, you can’t see DNA except with a high-powered microscope. But with this strawberry DNA extraction experiment, you can get the DNA strands to release from their cells and bind together into a format that’s visible with the naked eye.

Egg Drop Challenge

Take the egg drop challenge as you investigate what makes for the best shock absorber for dropping an egg without it breaking on impact.

Egg In Vinegar Experiment

Can you make an egg bounce? Find out with this chemical reaction, of an egg in vinegar.

Elephant Toothpaste

Explore a foaming exothermic chemical reaction with hydrogen peroxide and yeast that looks like “Elephant toothpaste”!

Dry-Erase Marker Experiment

Create a dry-erase drawing and watch it float in water.

Floating Rice

Grab some rice and a bottle, and let’s find out what happens when you put a pencil in the mix! Do you think you can lift a bottle of rice with a pencil? Try this fun friction experiment and find out.

Green Pennies Experiment

Why is the Statue of Liberty green? It’s a beautiful patina, but how does it happen? Explore the science in your own kitchen or classroom by making green pennies.

Growing Crystals

There are several ways to explore super saturated solutions and grow crystals. Grow borax crystals , sugar crystals or check out how to grow salt crystals . All three chemistry experiments are cool for kids!

Heart Model

Use this heart model project for a hands-on approach to anatomy. You only need a few simple supplies and very little prep to make this fun heart pump model.

Invisible Ink

Write a message that no one else can see until the ink is revealed with your own invisible ink! Cool chemistry that’s perfect to do at home or in the classroom. Compare it with a different type of invisible ink with cranberry secret messages .

Lava Lamp Experiment

What happens when you drop alka seltzer tablets into oil and water? This type of experiment explores both physics and chemistry.

Liquid Density Experiment

This fun liquid density experiment explores how some liquids are heavier or denser than others.

Lemon Battery

What can you power with a lemon battery? Grab some lemons and a few other supplies, and find out how you can make lemons into lemon electricity! Also try this with potatoes !

Learn how our amazing lungs work, and even a bit of physics with this easy balloon lung model. 

The chemical reaction in this magic milk experiment is fun to watch and makes for great hands-on learning.

Melting Ice Experiment

What makes ice melt faster? Investigate with a fun ice melting experiment that kids are sure to enjoy. Plus, try an icy STEM challenge.

Mentos and Coke

Here’s another fizzing experiment kids are sure to love! All you need are Mentos and Coke. It’s not a chemical reaction taking place like you might think.

Milk and Vinegar

Transform a couple of common kitchen ingredients into a moldable, durable piece of a plastic-like substance. Make plastic milk with a chemical reaction.

Oil Spill Experiment

Apply science to the care and protection of the environment with this oil spill demonstration. Learn about an oil spill and investigate the best ways to clean it up.

Penny Boat Challenge

Design a simple tin foil boat, and see how many pennies it can hold before it sinks. How many pennies will it take to make your boat sink? Learn about simple physics while you test out your engineering skills.

Pepper and Soap Experiment

Sprinkle some pepper in water and make it dance across the surface. Explore surface tension of water when you try this pepper and soap experiment.

Pop Rocks and Soda

Pop rocks is a fun candy to eat, and now you can turn it into an easy Pop Rocks science experiment.

Potato Osmosis Lab

Explore what happens to potatoes when you put them in concentration salt water and then pure water.

Rising Water Experiment

Place a burning candle in water and watch what happens to the water. Explore the science of burning candles when you try this fun candle experiment.

Salad Dressing- Emulsification

You can mix oil and vinegar for the perfect salad dressing! It’s called emulsification. Simple science you can set up with ingredients found in your kitchen cupboards.

Saltwater Density Experiment

Investigate whether an egg will sink or float in salt water.

Skittles Experiment

Explore what happens to skittles candy in water and why the colors don’t mix.

Screaming Balloon

This screaming balloon experiment is an awesome   physics activity! Explore centripetal force or how objects travel a circular path with a few simple supplies.

Grab the glue and make a classic chemistry demonstration. Slime is all about science and a must try at least one. If you want a 2 for1, our magnetic slime is just about the coolest thing you’ll ever play with… it’s alive (well, not really)!

Stormwater Runoff

What happens to rain or melting snow when it can’t go into the ground? Set up an easy stormwater runoff model with your kids to explore what happens.

Surface Tension Experiments

Learn what the surface tension of water is and check out these cool surface tension experiments to try at home or in the classroom.

Walking Water

Watch the water travel as it makes a rainbow of color! How does it do that?

Free Printable Science Fair Project Pack

Looking to plan a science fair project, make a science fair board or want an easy guide to set up your own science experiments? Go ahead and grab this free printable science fair project pack to get started!

Helpful Science Resources

Here are a few resources that will help you introduce science more effectively to your students and feel confident yourself when presenting materials. You’ll find helpful free printables throughout.

• Best Science Practices (as it relates to the scientific method)
• Science Vocabulary
• All About Scientists
• Free Science Worksheets
• DIY Science Kits
• Science Tools for Kids
• Scientific Method for Kids
• Citizen Science Guide
• Join us in the Club

Bonus STEM Projects

STEM activities include science, technology, engineering, and mathematics. As well as our kid’s science experiments, we have lots of fun STEM activities for you to try. Check out these STEM ideas below…

• Building Activities
• Engineering Projects For Kids
• LEGO Engineering Projects
• What Is Engineering For Kids?
• Coding Activities For Kids
• STEM Worksheets
• Top 10 STEM Challenges For Kids

Printable STEM Activities Pack

80+ Doable Engineering Projects in one convenient pack!

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• Questions for Reflection
• Architecture Building Cards: Try the tallest tower challenge
• Bridge Building Cards: Explore different types of bridges to build your own.
• Paper Chain STEM Challenge: Who can make the longest chain? Great icebreaker or quick challenge!
• 3 Little Pigs Architectural Pack: Design a house that won’t blow away!
• Great marshmallow challenge: A classic challenge kids love!
• Real-world STEM challenge lesson but don’t know where to start? Our easy-to-follow template shows the steps!
• What’s the difference between a scientist and an engineer?
• Crossword and word search with engineering vocabulary.
• Engineering vocabulary cards
• Design a one-of-a-kind invention and write about it with this 5-page activity!

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20 Middle School Science Experiments to Try At Home Today

Introduction, create a leakproof bag, design a water clock, make your own rock candy, make a miniature rainbow, create a homemade lava lamp, concoct “plastic” milk, extract dna (from a vegetable), mummify a hot dog, make invisible ink, whip up some homemade ice cream, create your own lip balm, create a solar oven, build a da vinci bridge, create a centripetal force board (swinging a glass of water), create your own microscope, make your own robot toothbrush, create your own edible rock cycle, make cloud dough (and learn about viscosity), find out what soda does to your teeth, create your own anemometer.

Spending time at home doesn’t mean you can’t improve your scientific skills! Many science experiments are simple to construct and can be completed using kitchen ingredients or household tools.

Below is a list of twenty experiments , of varying difficulty, that you can attempt with your friends and family.

Note: all experiments should be completed carefully under the supervision of an adult .

What happens when you poke pencils through a plastic bag full of water? You might be surprised to learn that you won’t get wet! This experiment tests the chemistry of polymers — bonded molecules that make up many plastics — and how they work in chains to form a temporary seal!

Want to build an ancient clock ? According to historians, the water clock is one of the oldest timekeepers, dating back to Ancient Egypt and Ancient China. This clock is simple to construct and can teach you skills ranging from math to history!

Some experiments are more enjoyable when eaten! You can easily create a tasty and exciting supersaturated solution that grows over the course of a week. By the end of this experiment, you will have a better understanding of crystallization and a sweet snack!

Note: this experiment deals with hot water.

With this experiment, you can create a liquid rainbow in a jar using common household ingredients. Your rainbow will teach you all about density — the ratio between the mass and volume of a liquid.

Lava Lamps will never go out of style, especially when they are so easy to make at home! This experiment combines the properties of density with acidic/basic reactions . In under an hour, you can create and a safe and beautiful chemical reaction that will add a bit of flair to any room!

Note: make sure to mold your “plastic” milk into your preferred shapes before it hardens.

Animals aren’t the only things that possess DNA — the onions in your fridge have it too! DNA is the material present in almost all living organisms and acts as the main carrier of genetic information . This experiment is a bit more in-depth but will definitely make you feel like a real scientist ! Over the course of a week, you will isolate DNA from onion cells while preserving their DNA’s structure.

Note: this experiment uses ethanol, a flammable substance.

No need to fear this mummy! Check out this simple experiment that requires very few ingredients — but a bit of patience. By covering hot dogs in baking soda for preservation, you and your family will learn a bit about the science of mummies as well as ancient Egyptian rituals .

Note: do not eat the mummified hot dog, as it will no longer be edible.

Have you ever wanted to write a secret message ? Now you can trade notes with your friends or family using an ingredient you probably have in your fridge: lemons! Through this experiment, you will see how heat oxidizes the compounds in certain colorless liquids .

Note: a blow-dryer or a lamplight are the safest ways to heat your messages. Avoid holding your paper near an open flame.

Did you know that you can make your own ice cream in a plastic bag or mason jar? In under ten minutes, create a refreshing snack for your family while experimenting with temperature !

Who said science couldn’t be fashionable? Most cosmetic brands hire scientists to design and experiment with their products — now you will have the chance to do the same! This experiment requires a higher number of ingredients, so it will help to prepare in advance to ensure you have everything needed to begin! You will be able to test how effective your lip balm is at soothing dry lips, as well as determine its performance at different temperatures .

Another delicious invention, solar ovens can be made with just a pizza box, tinfoil, and plastic wrap! This experiment makes use of solar energy — heat from the sun — to cook a classic favorite: s’mores! In the process, you will also be recycling and helping the Earth!

Leonardo da Vinci wasn’t only a phenomenal painter — he was also known for his innovative scientific inventions . You can make your own version of Da Vinci’s engineering feat right at home, and with pencils! By taking some time to learn about Da Vinci’s contributions, you will have enjoyed a history lesson, architecture lesson, and physics lesson all in one!

Have you heard of centripetal force ? Centripetal forces keep objects moving in curved paths. The force is directed inward towards the center of an object’s rotation. Take a risk with this experiment by placing glasses of water at the center of a board — if you swing the board fast enough, you might find you won’t get wet!

Though you won’t have as magnified a view as with a traditional microscope, this DIY version allows you to see smaller objects in much greater detail with very few ingredients. Family members of all ages can help construct your tool. Once completed, your microscope is ready to inspect the world around you !

Tip: take your microscope outdoors to view some plant life!

This experiment might sound difficult, but its construction is actually quite simple! Create your own miniature robot using only a toothbrush, a battery, and a pager motor. The robot will control the vibrations of your toothbrush and teach you a lot about electricity !

Note: do not use the toothbrush on your teeth once you have attached it to the battery and motor.

Are you a budding geologist ? You might already know that there are three types of rocks: sedimentary, metamorphic, and igneous. This experiment uses candies to model how and why rocks change throughout the rock cycle .

Viscosity is the thickness of a substance caused by internal friction, measured in force per unit area. This experiment allows you to test the viscosity of different liquids and determine which is best suited to make cloud dough. You will practice using variables and constants to determine and measure the properties of each liquid .

Note: cloud dough is not edible but is meant for play.

You might not love the results of this experiment! Determine how different sodas’ acidic properties affect tooth enamel over time.

Meteorologists use anemometers to measure wind speed . This advanced experiment uses a variety of woodworking supplies to construct a tool that can measure the wind in your area daily. Make sure to keep a field journal of windspeed recordings each morning and evening!

Science exists all around us! Have you attempted any experiments at home? Share your experience with us in the comments below!

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20 Science Experiments for Middle School Students

Instructions

An electrochemical cell.

The Fruit Battery

The amazing human battery, the potato powered clock, the rocket balloon, the balloon powered car, the match rocket, newton’s laws of motion, salt water conductivity experiment, crush the can experiment, demonstration of centripetal force, demonstration of centrifugal force, neutralization experiment, the homemade thermometer, cleaning water with sunlight, extracting dna from spinach, acids and bases producing colors, cleaning copper pennies, measure heights with your shadow, make beeswax lip balm.

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Kristi Harjo

Adventures in ISTEM

8 Cool Scientific Method Experiments for Middle Schoolers to Try

August 10, 2023 by Kristi

It’s back to school time, and that means it’s time to reintroduce students to key science skills like the scientific method.  There are some simple and engaging scientific method experiments you can have your students do where they practice the key steps of the scientific method process.

The scientific method is a process that allows students to figure things out about the world.  They can use it to solve problems and learn more about what’s around them. 

It starts with making observations. Then, they ask questions about what they are seeing.  From there, they make an educated guess as to why the observing the phenomenon and what is causing it.  They create a controlled experiment to test their hypothesis where they gather data and more observations.  Next, they analyze the data to look for patterns and answers. Finally, they draw their conclusions and share their findings.  

Scientific Method Experiment 1: Paper Towel Test Strength

Growing up, for us, it was commercials that were designed to tell us which brand is best and why.  Now with Tik Tok and other social media, it is important for students to fact check what they are seeing. I like to show students old paper towel commercials and then have students create scientific method experiments to test the claims.

• First, I will show them one or two paper towel commercials that claim their brand is the best for strength and not tearing while it cleans the mess.
• Then, the students turn the commercials claim into a hypothesis.
• From there, they design a test to test the claim.  I usually provide four to five different towels, including the brown school paper towel and a generic store brand towel. I also provide different types of weights like marbles, washers, or pennies.
• The students perform their paper towel experiments and collect data.
• They then analyze the data and then use the evidence to determine if the commercial claim is true or false.

Scientific Method Experiment 2: Paper Towel Test Absorbancy

This is just like the strength test, but it focuses on the paper towels ability to absorb a spill. The steps are the same as the other test.  You could have half the class doing one test and the other half of the class doing the other test.  This way, you are using a lot of the same materials, and students can compare their results. In the end, you could see if they can create a test to determine which is the best paper towel for strength and absorbency.

• First, I will show them one or two paper towel commercials that claim their brand is the best for absorbing a mess over the other.
• From there, they design a test to test the claim.  I usually provide four to five different towels, including the brown school paper towel and a generic store brand towel.
• The students perform their experiments and collect data.

Scientific Method Experiment 3: Grow that gummy

I find that students love doing labs that involve food.  They especially like eating the leftover candies that weren’t used when the experiment is over. For this scientific method experiment , students use gummy candy and different liquids to determine which one will make the gummy candy grow the largest.  

• Start off by having the students make a hypothesis as to which type of liquid will make the gummy candy grow the largest. For liquids, you could use water, salt water, vinegar, milk, soda, juice, and vegetable oil.
• Then have students design an experiment that will test their hypothesis.  Have them share ideas for how they will measure the gummy and what factors will need to be controlled.
• Students will conduct the experiment and record their observations.
• They will then analyze the results and draw conclusions as to which liquid made the gummy candy grow the largest.
• Students will then share their results and compare their results and tests with other groups.  This step is important because if they created a controlled experiment, they should draw the same conclusions even though the actual data numbers might be different or the way they designed the test might be different.

Scientific Method Experiment 4: Candy Letter Lab

My students are always fascinated by this lab. Students act like magicians as they have the letters on the candy levitate to the top of the liquid without touching the candy.  

• Start by using hard candy that has a letter or word stamped on it.  If find that Skittles and m&m’s work best for this. You might want to have some groups test Skittles while others test m&m’s to see if they get different results.
• Have students create a hypothesis for which liquid they think will be the best at removing the letter from the candy.
• Next, students will design an experiment that will test their hypothesis.  
• They will then analyze the results and draw conclusions as to which liquid was the fastest at removing the letter from the candy.
• Students will then share their results and compare their results and tests with other groups.  

Scientific Method Experiment 5: Where did the stripes go?

This is a great lab to do during the winter holidays when candy canes are in more abundance.  In this lab, the students design scientific method experiments to see which liquid will remove the stripes from the candy cane the fastest.  

• Start by using a regular candy cane or red and white peppermint candy.  I find the mini candy canes work the best and are not that expensive when you buy them in bulk.
• Have students create a hypothesis for which liquid they think will be the best at removing the red stripes from the candy cane. 
• They will then analyze the results and draw conclusions as to which liquid was the fastest at removing the stripes from the candy cane.

Scientific Method Experiment 6: Growing plants

One scientific method experiment that is good to do at the beginning of a long unit is growing plants from seeds.  This takes a while to see results, so it’s one that you will want to start and then check on periodically over a few weeks. 

The best seeds to use for this would be green beans, spinach, lettuce, or radish.  They have short germination periods.  To start, students can discuss what plants need to grow and thrive.  They can come up with a variety of different questions about how different factors might affect plant growth.

• Have students choose one question they want to test.
• Then, students create a hypothesis for their question. 
• They will then analyze the results and draw conclusions to determine if their hypothesis was supported or not supported.

Scientific Method Experiment 7: Pendulum swing

This lab is great for students to determine not only the hypothesis but also the question. You might want to start off with a demonstration of a single pendulum.  You can then start an “I Wonder” session.  I wonder how adding more weight affects the number of swings? I wonder how adding more weight affects the time it takes a pendulum to swing back and forth 10 times. Have students come up with their own I Wonder questions.  Once you have a good list, they can then choose one of them that they would like to test and investigate.

• Have students create a hypothesis for their question. 
• Students will conduct the pendulum experiment and record their observations.

Scientific Method Experiment 8: Crystal Growing

This is another lab I like to do before winter break.  Students can not only practice the steps of the scientific method, but they can also create ornaments or sun catchers that they can then take home.  In this scientific method experiment , students will be given different questions about crystals and decide which question they would like to test.

• Does the type of solution affect the amount of crystal growth?
• Does the type of solution affect the size of the crystals?
• Does the level of saturation affect the amount of crystal growth?
• Does the level of saturation affect the size of the crystals?
• Does the temperature of the solution affect the amount of crystal growth?
• Does the temperature of the solution affect the size of the crystals?

Why Teach the Scientific Method

Having students practice using the steps of the scientific method helps them to develop the soft skills that they will need outside of school and when they enter adulthood.

• Critical thinking skills- Being able to analyze data, draw conclusions, and make evidence-based decisions.
• Problem-solving abilities- approaching challenges using a systematic approach by identifying the problem, forming a hypothesis, and finding solutions.
• Communication skills- communicating effectively their findings and using evidence to support their conclusions.

Practicing the steps of the scientific method provides middle school students with a host of valuable benefits that extend beyond the classroom. Engaging in scientific method experiments such as testing paper towel strength and absorbency, growing crystals, and investigating candy properties helps students develop critical thinking skills, problem-solving abilities, and effective communication.

These skills are vital for their future endeavors, enabling them to make evidence-based decisions, tackle real-life challenges, and express their findings clearly. Embracing the scientific method empowers students to explore the world around them and equips them with essential skills for success in adulthood.

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60 Physics Science Experiments For Middle School: Crafts, Investigations, Model Building, And DIYs

January 11, 2024 //  by  Carly Gerson

Physics is a subject that can be difficult for students to understand, so hands-on experiences like experiments are excellent to give your students a better understanding of tricky concepts and theories! Not only do experiments and activities help your kiddos’ understanding but they also create an interactive way to engage them in the learning. Read on to discover 60 phenomenal physics science experiments to try out with your middle school students!

1. Newton’s Cradle

Newton’s Cradle is a classic physics experiment that uses basic materials to demonstrate kinetic energy and potential energy . Your students will love creating their very own version using some string and straws! This is a great way to demonstrate the basic concept of energy transfer in an engaging way.

Learn More: 123 Homeschool 4 Me

2. Simple Bernoulli Experiment

The Bernoulli experiment is an excellent way to teach your kids about air pressure. Show your learners how to use construction paper, tape, a bendy straw, a ping pong ball, scissors, and a pencil to create a fun experiment that they can have a go at! This is a simple way to demonstrate to them how large vehicles like planes can stay high in the air. This abstract concept will be brought to life quickly!

3. Car Science Experiment for Air Resistance and Mass

A physics concept that is sure to be fun to teach your kiddies is the impact of mass on motion! They’ll feel like modern physicists as they place cars with different masses on their race track and time them on their journey! While this may seem like a pretty simple experiment, you can challenge your kids to complete lots of different trials to find out how a range of different factors affects the speed of their cars.

Learn More: Frugal Fun 4 Boys

4. Archimedes’ Screw Simple Machine

Can water flow up? Your kids will be able to answer this question after completing this fun experiment! The Archimedes’ Screw is a commonly known invention that moves water upward and transfers it from one place to another. Help your learners construct their own using a piece of plastic pipe and some clear plastic tubing, then let them experiment and see if they can make it work!

5. Layering Liquids Density Experiment

Children will love participating in this colorful activity. Have your students use different colored liquids to test out the density of each one by creating a density tower! Everyone will watch in amazement as the different colored liquids separate and float to different places in the jar!

Learn More: Green Kid Crafts

6. Launching Easter Eggs Experiment

This activity would make for an incredibly fun science fair project or a great science activity during the Easter season. Using a mini catapult and plastic eggs, your kiddies will have great fun testing how mass impacts the distance traveled by the egg. This experiment will definitely make you smile!

Learn More: STL Motherhood

7. Balloon in a Bottle Properties of Air Experiment

Challenge your learners to put a balloon inside a plastic bottle and blow it up; sounds easy enough, right? They’ll find this one to be a little trickier than they initially thought! As they work to try to blow up their balloons discuss the properties of air which makes this seemingly simple task almost impossible!

Learn More: Steve Spangler Science

8. How to Make a Pendulum Wave

This physics science project is both fun to make and incredible to look at! Using washers and a few other simple materials like string, your students will be captivated by their experiment for hours on end. Besides being completely mesmerized, they’ll also learn about waves and motion.

Learn More: YouTube

9. Creating Catapults

A homemade catapult is a great way to use cheap materials in a STEM project. Have your kiddos use simple household and craft materials to determine which combination makes for the best catapult. You can launch anything from scrunched-up paper to marshmallows! Encourage your middle schoolers to consider how they can scientifically measure which catapult is best!

Learn More: Science Gal

10. Inertia Tower Activity

Raise the stakes with this amazingly fun inertia activity. This creative activity uses sheets of paper or index cards to separate a tower of cups or blocks, which your students then need to pull out quickly without disturbing the tower. Can they remove all the pieces of paper?

Learn More: Perkin’s E-Learning

11. Rice Friction Experiment

Friction can be a challenging concept to teach middle school students. Thankfully this experiment makes it a little bit easier! Give your kids a better understanding of this tricky concept by using a plastic bottle, funnel, chopstick, and rice. They’ll learn how to increase and decrease friction and will be amazed when this amazing force lets them lift a bottle up with just a single chopstick!

Learn More: Carrots Are Orange

12. Balancing Robot

Combine arts and crafts and physics with this adorable activity! Use the printable template and have your kids customize their robots, decorating them however they like before cutting them out. Next, you’ll use some putty to stick a penny to the end of each of the robot’s arms. All that’s left is to let them find out where they can get their robots balancing! 

Learn More: Buggy and Buddy

13. Make Your Own Ice Cream in a Bag

You had us at ice cream! Your kiddies will be so excited to have a go at making their own ice cream using just a few Ziplock bags. Have them start by measuring cream, sugar, and vanilla flavoring into one bag, making sure it’s sealed up. Then, get them to place this bag inside another bag that also has ice and salt inside and shake! Once they’re done learning, make sure you set aside time for some taste testing!

Learn More: Delish

14. Skittles Density Rainbow

Build the rainbow with this fun density experiment. Start by having your kiddies dissolve Skittles in water, using a different quantity of each color of Skittles in each liquid. They’ll then gently use a pipette to layer their liquids while you discuss how the solids have impacted the density of each liquid!

Learn More: Gift Of Curiosity

15. Dancing Raisins Science Experiment

Did you know that you can make raisins dance? Ok, well maybe they’re not actually dancing, but they’re definitely doing something! Your learners will love this fun science experiment where they’ll watch as they watch the carbonation and bubbles of the soda water lift the raisins and “make them dance”.

16. Learning With Dry Ice

Dry ice is so exciting for your little learners! It has almost magical properties that give it a mysterious element that kids are completely captivated by. Using dry ice is a great way to teach students about how clouds are formed and how they eventually evaporate by capturing a dry ice cloud in a bag! You’ll be inspiring future meteorologists with this visually appealing experiment!

Learn More: Penguin Dry Ice

17. Learning About Arches

Arches are surprisingly impressive feats of architecture. Their unique shape actually makes them surprisingly strong! Teach your kiddos about how heavy-weight objects such as cars on a bridge are supported as they test out different types of arches to see which one holds the most weight!

Learn More: Imagine Childhood

18. Heat Changing Colored Slime

This unique experiment requires very specific materials, but we promise it’s worth it! Blow your kids’ minds as they learn about thermodynamics and how heat can change the color of certain materials as they make some heat-sensitive color-changing slime! 

Learn More: Left Brain Craft Brain

19. Homemade Marble Run

Let your kiddies get creative with any materials they can get their hands on with this next activity! Challenge them to create a track for marbles, testing out different course layouts to see how these impact the time it takes the marble to complete it. Encourage them to record their results and share their findings!

Learn More: Buggy And Buddy

20. Ice Hockey Puck Friction Experiment

The ice hockey fans in your class will love this next one! In this activity, your kids will use different flat circular items like bottle caps and coins to determine which materials make the best ice hockey puck! This is a great experiment to take outside on an icy winter day to let them learn about and see friction in action!

Learn More: Science Sparks

21. Transfer of Momentum Basketball Activity

Here’s a quick physics experiment your kiddos can do during recess or on a sunny day! Grab some basketballs and racquetballs and instruct your kids to hold the smaller ball on top of the basketball. Next, have them let go and watch in amazement as the basketball bounces up into the racquetball, transferring momentum as it makes contact! 

Learn more: Frugal Fun 4 Boys

22. Pumpkin Boats

Wondering what to do with all those leftover pumpkins after Halloween? Look no further! Get your learners to make them into boats as they investigate the link between density and buoyancy. Support them to make differently-sized pumpkin boats and then make predictions about whether or not their pumpkin boat will sink or float.

Learn More: The Preschool Toolbox

23. How to Make a Hovercraft

Hovercrafts were once something that only appeared in sci-fi stories, but now your kids will be making them in your classroom! Using simple household materials, they’ll learn how to harness the power of air resistance in this unique craft. Neat!

24. St. Patrick’s Day Balloon Rockets

This holiday-themed activity is a great way to teach students about air resistance and acceleration! Your kids will craft their balloon rockets with a balloon, some tape, and a straw to keep it attached to the line. All that’s left is to let go to watch their balloon rockets blast off down the track! Why not make it competitive with a prize for the winning balloon of each race?

Learn More: Housing A Forest

25. Marshmallow Shooter

Your learners will love this silly activity that incorporates a favorite sweet treat and a unique contraption! As they launch their marshmallows through the air, you can discuss how the force of the pull impacts the motion of the marshmallows.

Learn More: Teky Teach

26. Use The Force

Star Wars fans will have fun with this one as they use “the force” to magically pick up paper clips! This exciting activity will have your kiddos wanting to learn more about magnetism and how it works! Simply have them place a large magnet on the back of their hand, reach toward a pile of paper clips, and watch as the paper clips magically fly into their hands!

Learn More: Rookie Parenting

27. Magic Toothpick Star Experiment

You’ll have a tough time convincing your kids that this experiment shows physics at work and not magic! Have your kids take five toothpicks and snap them in half. Let them arrange them as shown, and then drip water in the middle of the sticks. They’ll be amazed as the water moves the sticks, seemingly mending them and creating a star!

Learn More: Living Life And Learning

28. Water Powered Bottle Rocket

Bottle rockets are a fun science experiment to bring the science classroom outdoors . Your students will love learning about pressure and how it impacts the velocity of an item using just a recycled plastic bottle, a cork, some water, and a pump with a needle adaptor. To add even more excitement to this activity, let your kiddos decorate their own rockets!

29. Magnetic Levitation Activity

With all these seemingly magical experiments, your kids are really going to wonder if you attended Hogwarts instead of a teacher-training college! Use the power of magnets to make a pencil float! Show your kids how to position their magnets so that they repel each other enough to suspend a pencil in mid-air! 

Learn More: Arvin D. Gupta Toys

30. Rubber Band Powered Car

This adorable craft will teach your kiddos about force and motion! Let them spend some time going through a trial and error process to make a working car that’s powered by applying force to a  rubber band! Once they’ve got their models working, let them race to see whose creation goes the fastest and the farthest!

Learn More: Stem Inventions

31. Making a Water Wheel

Waterwheels have been around since Roman times, over 2000 years ago! Historically they were used in mills to grind grains into flour but nowadays they can be used as a source of renewable energy. Task your pupils with making a working waterwheel out of some simple household items like plastic cups, straws, and tape- are they up to the challenge? 

Learn More: Deceptively Educational

32. DIY Pulley Physics

This pulley system will show your students that simple machines aren’t always so simple! Using whatever materials they can find and some string, they’ll need to create a fully functional, intricate pulley system along your classroom walls! This would make a great display for the entire school year!

Learn More: The Homeschool Scientist

33. How to Make an Orange Sink or Swim

What is more likely to float, a peeled or unpeeled orange? Let your kids vote on this seemingly straightforward question then reveal the answer with a simple demonstration. Your students will watch in awe as they learn that they can change the density and buoyancy of an object by slightly altering it. In the case of the orange, however, the results might not be what they were expecting!

Learn More: Woo Jr.

34. Paper Airplane Test

There’s nothing kids love more than making and throwing paper airplanes. If they’re usually banned in your classroom, then you might want to consider lifting that ban for one day! Turn this simple activity into an engineering investigation where your students will test out different designs to see which shape of the paper airplane will fly the furthest and which shape will stay in the air the longest! Physics made fun!

Learn More: Feels Like Home

35. Rising Water Experiment

Water experiments in the classroom can be so much fun! This activity will teach your students how temperature and oxygen levels can affect the density of the air! All you’ll need are some matches, a cork, a plate of water, and a glass! They’ll love watching what seems like magic!

Learn More: Teach Beside Me

36. Physics Mystery Bag Challenge

This unique physics activity will have your kiddos work in groups to solve a physics mystery. Each group will receive identical bags of mystery items and will be told what type of machine they need to create. The challenge is that there are no instructions! Using only the items in front of them and their ingenuity, your students will compete to see which group creates the best of the designated machine!

Learn More: Teaching Highschool Math

37. Solar Oven S’mores

Fun science experiments are even better when combined with food! This solar oven teaches your students about how transmission, absorption, and reflection are used in a solar cooker to cook food. Your middle schoolers will be amazed at how easy it is to make yummy smores using an array of simple supplies, such as plastic boxes, aluminum foil, cotton, and glass.

Learn More: PBS

38. Laser Jello

Here’s another edible science project for your class! In this fun project, your kiddos will put the concepts of reflection and refraction into practice in a hands-on experiment. Give them some red and blue Jello to investigate how differently colored lasers project through it; they’ll be amazed as the Jello changes the lasers’ color and sometimes blocks out the light altogether! 

Learn More: Exploratorium

39. The Electric Butterfly

Elevate the basic static-electricity balloon experiment by adding a paper butterfly! Teach your learners about positive and negative electrons by charging up the balloon with static electricity and using it to move the paper butterfly’s wings. This hands-on activity is a super way for them to see what can be a very abstract concept in action!

Learn More: CACC Kids

40. Homemade Thermometer

This classic science experiment is great for showing how heat affects certain liquids by making them expand. Using the simple supplies of a bottle, cold water, rubbing alcohol, food coloring, a straw, and some modeling clay, have your students build their very own thermometer. As they heat or cool the surroundings, your kiddos will observe the liquid rising and falling in the straw!

41. DIY Electromagnet

Creating an electromagnet is a cool way of combining middle-grade physics and engineering! This fun activity uses screws, some wire, and batteries to demonstrate how an electric current flows through metal to create a magnetic field. After this simple experiment, you can challenge your kids to take this activity to the next level and create bigger versions like their own electromagnetic cranes!

Learn More: Teach Engineering

42. Optical Illusion Fun

Experiments don’t get much cooler than optical illusions! You can use these amazing visual activities to teach your middle graders about how our eyes process light and send signals to our brains. Simply print out the template and let your kids add some color before they cut them out and attach them to a pencil. As they spin, they won’t believe their eyes! What a fun way to make this lesson about our eyes memorable!

43. Water Cycle in a Bag

This cute little experiment is a great way to give your kids their very own visual of the water cycle! Print off the template and let your kids trace it onto their own Ziploc bag. All that’s left is to add water and tape it to a window where it’ll catch the sun! These little experiments are really quick to make and set up, but your kids will spend days analyzing them!

Learn More: Kiwi Co

44. Homemade Barometer

Your students might have already made a DIY thermometer, but what about a barometer? You can help them learn about atmospheric pressure by crafting barometers using a jar or can, a balloon, a wooden stick, rubber bands, and some tape! As the weather changes over the next few days, so will the air pressure which will move the wooden stick of their barometers! Cool, right?!

Learn More: Easy Science For Kids

45. Basic Motor Mechanics

It is amazing what you can do with some modeling clay, a magnet, a battery, and wire! This cool project showcases how electric energy works, demonstrating the interaction between the current and a magnetic field. This nifty little experiment will definitely get your students’ physics motors running! 

Learn More: Education

46. Xylophone fun

Sound waves are much easier to teach and learn about when your kiddies can make visual connections. Have your learners fill empty jars with varying amounts of cold water (and a few drops of food coloring in each to make it look even more interesting) and then let them test the different pitches by hitting each one! 

Learn More: Sugar, Spice And Glitter

47. Build a Paper Bridge

This fantastic activity uses some really simple materials to challenge your kiddies to ‘build a bridge’. What seems like a pretty basic activity actually teaches them all about the scientific method and physics concepts behind building a bridge. They’ll learn about concepts like compression and tension to explain how bridges stay in place even under pressure! This is one your future engineers will love! 

48. Magnet Maze

Art and physics are combined in this clever classroom experiment! Task your students first of all, with drawing a colorful maze on the outside of the bottle. Next, have them put in different items like coins, marbles, paperclips, and buttons to explore which ones they can attach the magnet to from the outside and navigate through their maze. A -maze- ing, right?!

Learn More: Science Museum Group

49. Super Sundial

If you feel like taking your teaching outdoors, this sundial construction lesson is ideal! Bring some paper plates, bendy straws, and a pencil, and you’re good to go! Your learners won’t need a lot of background knowledge before the activity, but they’re sure to learn a lot about the Earth’s orbit and rotation in the process!

Learn More: Generation Genius

50. Sound Sandwich

Your kiddies might initially be confused when you announce that they’ll be making sound sandwiches! Their confusion will soon turn to fascination at how such simple materials can make really interesting sounds! In this activity, they’ll be learning how to make music with sticks, straws, and rubber bands. See if they can figure out that it is the rubber band vibrating that makes the differently-pitched sounds!

51. Optical Lens Experiment

Did you know that you can actually bend light? Your students will be surprised to learn this for sure! Through this investigation, you’ll teach them how when light goes from one medium to another (e.g. from air to glass), it usually bends. This series of simple activities covers the effects of convex and concave lenses on light, and thus how refraction works.

Learn More: Discover Primary Science And Maths

52. Density Tower floating experiment

Combine the previously mentioned density tower and floating experiments in this cool activity! Using just a few simple ingredients that can be found around most homes, you can instruct your learners to combine cornstarch, vegetable oil, and rubbing alcohol. This will create the colored layers in this cool activity! Then they’ll add small items of their choosing to see which ones float in the various liquids, and at what density!

53. Walking Water experiment

Capillary action isn’t a term that most of your kiddies will be familiar with but after doing this experiment they won’t forget it! Help your learners set up a row of cups with water and different colors of food dye. Next, they’ll add some strips of paper towels dipping each end into a different up and let them watch in amazement as the colored water seems to defy gravity and ‘walk’ up the paper and into the next cup!

Learn More: Made In A Pinch

54.  Build a Solar Still

This easy experiment is the perfect way to demonstrate the water cycle and how sunlight can purify water. Start by letting your kiddos have a bit of fun to make ‘dirty’ water using assorted safe and edible kitchen ingredients. Then you’ll challenge them to make their own solar stills from plastic glasses, cling wrap, and, a bowl. Finally, they’ll set their glass of ‘dirty’ water inside the bowl, cover it with cling wrap, and then sit it out in the sun. And voila – clean water!

55. Slinky Sound Waves

A metal slinky is a super simple but really effective source of demonstrating sound waves for your kids. Get two volunteers to hold the ends of the slinky and encourage your other students to take note of the different wave patterns when one or both of them shake it. This is a super way to make this abstract concept a little more visual for your class.

Learn More: Fizzics Education

56. Bike Wheel Gyroscope 

Momentum is an important concept that your little physicists will cover in middle school science. A bike wheel gyroscope activity will amaze and enthrall your students as you use it to show off how the wheel’s mass and rotation obey the laws of angular momentum! The best part is that you’ll only need a bike wheel and some willing participants! 

Learn More: NASA

57. DIY Kaleidoscope

Teach your kids all about the law of multiple reflections with this super fun, customizable activity! Using a cardboard tube, some mirrors, and small colorful items like confetti or sequins, these kaleidoscopes will be something they’ll always remember making. If you don’t have mirrors, why not try using aluminum foil instead? 

Learn More: Home Science Tools

58. Mapping Magnetic Field Lines

Teaching theoretical, intangible ideas is one of the hardest parts of teaching a subject like physics. Thankfully this short but practical activity makes this a whole lot easier by showcasing how the magnetic field lines of a bar magnet do not ever cross, are continuous, and go from north to south! All your kiddies will need is a magnet, a compass, and a marker!

59. Buzz Wire game

Electrical circuits can be really interesting to make, and this activity makes it fun too! Get your students to create their own ‘Buzz Wire’ game which will teach them about the loop system needed for electricity to work. Once they’ve made their loops, let them have a go at completing each others’ games! Can they get to the end without setting the buzzer off?

60. Galileo’s Gravity Experiment

As the story goes, Galileo dropped two items from the Leaning Tower of Pisa to see which hit the ground first. Though we can’t be sure he actually did this, you can be sure that your students will have fun trying out this similar activity to learn about the effects of mass and air resistance on falling objects! Simply have them pick out two different objects, drop them from a height, and record which lands first!

Learn More: Science-Sparks

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Resource Center Home > Science Projects > Projects by Grade > Middle School Projects

Middle School Projects

Make it easy for middle school students to start doing real science with these hands-on projects that cover the following topics: Chemistry, Biology, Earth Science, Physics, and Technology.

This Turkey Family Genetics activity is a fun way to teach your student about inheriting different traits and spark a lively conversation about why we look the way that we do.

Fun & Easy Science Activities Your Kids Will Love!

Ever wonder what to do with that left over pumpkin from Halloween or the pumpkin you bought for decorative purposes? How about turning it into a science project?

Use this Heart Worksheet to test your knowledge of the five basic parts of the human heart.

• Grades 6-12
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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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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:

Acids and Bases Can Erupt in Your Faces

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Super Cool Soda:

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Changing of the Leaves:

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Olympic Medals:

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News & Insights

Bringing Neuroscience to the Middle School Classroom

Every summer, science educators flock to professional development workshops to learn new skills and develop resources for the upcoming school year. Often, however, many of these workshop opportunities engage teachers with foundational knowledge in basic sciences without exploring the social, legal, and ethical implications of that science. To help meet this need, the Dana Foundation is supporting the first year of the Neuroethics Teacher Institute for middle school educators at Columbia University’s Mortimer B. Zuckerman Mind Brain Behavior Institute. This pilot workshop series conducted its first week of programming in July.

To expand science curiosity and knowledge in teachers, the Neuroethics Teacher Institute provided a comprehensive week of professional development for eleven middle school teachers from schools in Upper Manhattan and the Bronx. The goal of the program was to answer the overarching question: How do we support students in thinking critically about how science impacts society? 

Each day of the four-day workshop was designed to equip participants with tools, resources, and evidence-based lessons to facilitate discussions with their students on current events and challenging topics at the intersection of neuroscience, ethics, and society. Questions to prompt these discussions included:

• How do sensation and perception differ across the spectrum of neurodiversity?
• How does learning and memory work in young adolescents compared to adults?
• How do screens impact cognitive, social, or emotional processes?
• What is generative AI and how does it relate to how learning works in the human brain?

Using a “train the trainer” framework, the program facilitators engaged teachers using the same interactive learning experiences they will practice with their students—promoting critical thinking, engagement with ethical considerations, and the application of neuroscience principles in real-world contexts. Each day of the workshop had a different theme: the role of generative AI in schools; neurodiversity and classroom design; and screen time and social media on the brain . The goal was to engage educators around different topics and assist in developing knowledge and skills that foster a deeper exploration of neuroscience, ethics, and science for young learners. Daily expert panels with psychologists, neuroscientists, and industry partners fostered enriching discussions and collaborative brainstorming to inspire teachers to develop engaging lesson plans for students and devise events to capture interest in neuroscience for parents and the local community. This deep dive into neuroethics resulted in four days of teacher-developed cumulative projects that incorporated neuroscience into the diverse needs and lived experiences of their students.

Each teacher developed custom lesson plans for their students inspired by the content and methods explored, and they shared resources among one another for best practices to encourage students to develop their own “science identity.”

Columbia University plans to host a second Neuroethics Institute in early 2025. This professional development opportunity is open to all classroom educational staff in the New York City area including all teachers, teaching assistants, and paraprofessionals who work directly with middle school students. Applications will open in the fall for the next cohort of teachers and will be posted on their site .

Educators interested in adopting neuroscience into their classrooms are encouraged to explore the intersections of neuroscience and society through the Foundation’s freely available resource library , featuring tools for teaching, professional development, and public engagement.

Recommended Reading

IBB NextGen Students Dive into Neuroscience at FENS Forum

NeuroSociety Stories with Science Communicator Jayatri Das

Local learners bring science to life with hands-on experiments

Miyanda nyirenda, head of science department said, the school's goal is to foster a learning environment that promotes inquiry, creativity, and critical thinking..

The Midland Primary and High School (MPHS) learners are enthusiastically immersing themselves in the world of science.

These young learners in Grade 10 and 11 respectively are actively engaging in practical experiments, transforming theoretical concepts into tangible experiences in their science classes.

Read more:  Former Midland Primary and High School learner eager to follow in father’s footsteps

Guided by their dedicated teachers, learners are conducting experiments across physics, chemistry, and biology, honing vital skills in observation, measurement, and analysis.

Head of the Science Department Miyanda Nyirenda said this hands-on approach allows them to better grasp abstract concepts, making science both accessible and enjoyable.

“Our goal is to foster a learning environment that promotes inquiry, creativity, and critical thinking. Through these practical experiments, our students gain a deeper understanding of scientific principles and their real-world applications,” said Nyirenda.

Also read:  Midlands principal believes science is a critical academic discipline

He added that experiential learning not only boosts academic performance but also prepares learners for future careers in science, technology, engineering, and mathematics.

Nyirenda concluded that MPHS is dedicated to offering a well-rounded education that empowers learners with the skills, knowledge, and confidence needed to thrive in an ever-evolving world.

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