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.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Discover whether a metal will expand under hot water.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.