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 fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

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

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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

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

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

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.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

This experiment will examine and precisely measure the amount of sugar in various sodas.