What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea compares biodiversity between drops of water.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

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

In this project children practice the scientific method while playing with puffy paint.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Cleaning can be a chore, but not with this sudsy experiment!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

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.