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

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

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 idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

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.

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

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.

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

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

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.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

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.