This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This basketball project explores the best way to make the perfect shot every time.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Using a toy race car kids create a visual model of the Doppler Effect.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

You can try this simple activity with your third grader to get him thinking about the real world math you use everyday.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Find out which kind of bubble wrap fares best when put in impact.

Find out which type of sponge holds the most water.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

What happens when colored beams of light mix? You might be surprised.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Ever wonder how those kooky kazoos work? Get to know the science behind this silly instrument by making your very own kazoo!