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.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.