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.

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

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.

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

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

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.

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

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

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

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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.

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.