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!

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!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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.