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Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea explores whether white light can be separated into different colors.

Discover how and which salt melts ice the quickest.

Find out whether packaged seeds actually do expire in this new science fair project idea.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science fair project, students make their own rain gauge to measure rainfall.

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?

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

The goal of this project is to create an exciting topographical map out of dough.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

How well can people recall what they have observed. Test your knowledge in this fun experiment.