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Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Construct and experiment with a periscope using reflected light rays to gather an image.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea investigates the difference in reaction times between boys and girls.

Learn all about balance and motion as your child designs a corn maze!

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

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

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!