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Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea explores the different properties of matter.

This science fair project idea produces varying pitches of sound.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Plants and light seem to be good buddies, but how far does the friendship really go?

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Use pepper and soap to discover some fun facts about the properties of water.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.