This science fair project idea explores whether color affects a person's emotional state.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this design challenge, your child will make a bottle rocket using typical household items.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science project allows students to study the psychology of happiness.

In this fun experiment, we'll find out how color affects heat absorption!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Have your child kick off their summer vacation by making a miniature water slide!

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.