Showing Results for compare with same denominators 2

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

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

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

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

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.

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

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

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!

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!

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

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.

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.

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

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.

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

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.

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

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