What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

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

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 which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Science fair project that determines whether mass and weight are the same or different.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science experiment tests if dog saliva can really help heal wounds.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project idea explores the different properties & interactions of sugar molecules.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.