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This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea explores whether talking to a plant will help it grow.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

How powerful is the reaction between baking soda and vinegar? Find out here!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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.

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

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

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.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.