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Science fair project that examines condensation and the conditions needed in order for dew to form.

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

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

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.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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