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Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This science fair project idea explores how length affects the weight a bridge can hold.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Discover which method for odor removal words the best for stifling refrigerator odors.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

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.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

This science fair project idea examines whether people can decode scrambled messages.