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How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

This project compares the strength of one, two, and three-ply toilet paper.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

This science fair project idea determines what household items are good conductors of electricity.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

In this activity your child will create their very own marble maze!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

How powerful is the reaction between baking soda and vinegar? Find out here!

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

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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