How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.