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.

In this activity, your child will explore techniques that support patience and learn to practice mindfulness when waiting.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This is a simple, fast game that you and your child can make together to help him master rounding with decimals.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Try to pop other opponents balloons while trying to protect your own. This exciting game is sure to be a hit with the kids at your next party!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Your fourth grader will get their mind working with this simple "Chanukah" anagram game. They will hone their language and spelling skills with this one!

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.

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 science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

How well can people recall what they have observed. Test your knowledge in this fun experiment.