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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.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This project compares the strength of one, two, and three-ply toilet paper.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea investigates how the shape of an object affects drag.

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

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

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project idea explores whether talking to a plant will help it grow.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.