Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

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.

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

Here's one way to recycle: turn a tuna can into a mini barbecue and teach your child the power of resourcefulness!

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!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

Engineers in training can get started with this simple wheel-and-axle construction activity.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

The purpose of this science fair project is to build a basic radio.

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

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 awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.