Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

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 measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.