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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 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.

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

Slip some science into storm watching with a homemade rain gauge!

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

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

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

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

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

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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

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.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

Help your child celebrate the summer and the sun by making a sandy seascape.

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

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

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.