How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science fair project idea experiments with spinning color wheels and optical illusions.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this activity your child will create their very own marble maze!

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

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?

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This basketball project explores the best way to make the perfect shot every time.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Learn all about balance and motion as your child designs a corn maze!