This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This science fair project investigates which type of light bulbs are the best at producing flattering photographs in both flash and non-flash conditions.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

This science fair project idea explores edible things you didn't know you could eat.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Find out whether matching resonant frequencies can cause objects to shatter.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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

The project investigates how friction affects motion by using different surface textures.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

Science fair project that creates fog using bottles of hot and cold water.

This science fair project idea demonstrates the property of bouncing in a fresh new way.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

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

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