Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

This science fair project idea produces sounds by creating vibrations using different objects.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.