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How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Is it a square or a circle? See if you can trick your friends with this zany science project!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

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.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

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.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.