What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Science fair project that determines how we can change potential energy into kinetic energy.

This project explores whether the tempo of the background music we hear in a businesses is important to the environment and how customers move.

This science fair project idea studies how talking on a cell phone affect driving?

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.