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.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Make a spring collage with your child to get them outside and those creative juices flowing!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

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.