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

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

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

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.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

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

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

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

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.

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.

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

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.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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.

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.

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.

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.

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

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

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

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.

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

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

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