Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Learn with makes water molecules work with this fun and easy science activity!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Making your own glass cleaner is easy, effective and inexpensive!

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea experiments with spinning color wheels and optical illusions.

Give your budding young observers a chance to discover simple machines at use in their own home.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

An home science experiment for older students that teaches about the science behind heat.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!