What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This project examines whether more expensive golf balls translate into better results on the golf course.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Think about the adaptive utility of an important aspect of our physiology.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Explore the effect of wind speed on the burning rate of a candle.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.