What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This project investigates the affect of storage temperature on microwave popcorn.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

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.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science experiment has students test whether a snail moves faster on concrete or dirt.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Discover whether a metal will expand under hot water.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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 demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

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