This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

This science fair project idea determines the probability of a coin landing heads or tails.

This experiment will investigate whether reward or punishment is more apt to motivate people.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Start your toy engines -- this is going to be a fast and friction-filled race!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.