How do organic materials become soil? This science experiment measures what materials biodegrade.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Create a self-portrait from natural materials in this collage craft activity!

In this project, waves of vibrations are experimented with using water in glasses.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This project compares the strength of one, two, and three-ply toilet paper.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea explores substances that cause a bubble to last longer.

In this project children practice the scientific method while playing with puffy paint.

In this activity your child will create their very own marble maze!

This science fair project examines how seeds hitchhike on animals and clothing.

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

The project investigates how friction affects motion by using different surface textures.