In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Word color association is just a fancy way to talk about the way we connect colors with words.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Find out which type of sponge holds the most water.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

This science fair project will help students learn about non-vascular plants, such as mosses.