Start your toy engines -- this is going to be a fast and friction-filled race!

Using a toy race car kids create a visual model of the Doppler Effect.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Do you think heat can affect a plant's growth rate?

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

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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.

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

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.

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.

How well can people recall what they have observed. Test your knowledge in this fun experiment.