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

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Explore convex and concave objects and how they reflect light.

Find out which kind of bubble wrap fares best when put in impact.

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

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

This project examines whether sugar substitutes are as sweet as real sugar.

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

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This project will examine the relationship between materials and air resistance.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

How powerful is the reaction between baking soda and vinegar? Find out here!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.