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This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

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 science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

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

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

This science experiment tests if dog saliva can really help heal wounds.

If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.

This science fair project idea explores how far the average human can see.

Demonstrate how to tell the age of an egg without having to crack it open.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.