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How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

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.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.