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This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

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

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Free science fair project idea examining how different types of water affect plant germination and growth.

This experiment will explore whether adding different substances to a gel affects its strength.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

This science fair project idea investigates food preference of birds.

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

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

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

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.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

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