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.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This project determines how much the rebound rates of tennis balls change after ten games.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

In this science fair project, students investigate how different colors influence appetite.

How do organic materials become soil? This science experiment measures what materials biodegrade.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Evaluate if people are more influenced by video or audio advertising.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Test whether spot magnets can help improve the symptoms of an injury.

This project explores differences in people's reactions to images in color and images in black and white.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.