40 Best Science Experiments & Projects for Middle School

Middle school science experiments

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.

Contents show

1. Crushed Can

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!

2. Water Bottle Rockets

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.

4. Build a Solar Oven

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.

5. Build a Helping Hand

Build a Helping Hand

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

6. DIY Lung Model

Flying Tea Bag

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

8. Egg Float Experiment

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.

9. Popsicle Stick Chain Reaction

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

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.

13. Invisible Ink

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.

14. DIY Grow Box

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.

15. Creative Ferris Wheel

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?

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.

20. Paper Ball Run Challenge

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

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.

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

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

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.

26. Keep a Paper Towel Dry Under Water

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.

27. Upside Down Glass of Water

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.

28. Make a Wine Glass Sing

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.

30. Ruler Changes Size

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.

32. Water Doesn’t Leak Out Science Experiment

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!

33. Pick Up a Ball with a Jar

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.

36. Underwater Magic Sand

Underwater Magic Sand

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

37. Make Bouncy Polymer Balls

Crayon 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.

39. Flame Test Colors

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!

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.

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