How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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.

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

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 examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This biodiversity project examines the biodiversity in your own backyard.

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

This science fair project idea examines the reason boats are shaped and engineered.

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.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.