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

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

This science fair project idea determines the most effective method of preserving food.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

This science fair project idea investigates if fats add to the flavor of food.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Will the shape of an ice cube impact how fast the ice melts?

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This science fair project idea produces consumable fresh water from salt water through desalination.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea examines whether boys and girls differ in reflexes.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.