This science fair project idea produces varying pitches of sound.

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

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

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.