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Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

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

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this science fair project, students use the streak test to tell minerals apart from each other.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Do different types of oil mix or stack? Find out in this science fair project idea!