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

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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.

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

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.

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

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!

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!

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.

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

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.

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

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

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

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

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Try this chemistry experiment with your curious kid and get some "shocking" results!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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