In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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.

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

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.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

This science fair project idea examines which type of insulation holds in the most heat.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.