Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Encourage a bit of mystery and intrigue by teaching your clever kid how to create and use secret codes.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

This science fair project idea explores how far the average human can see.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

Get kids excited about gathering their school supplies by teaching them how to make their own writing supplies!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Learn how to make a mustache with these simple instructions. See how to make a mustache on a stick for Halloween, costume parties, or dress up.

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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

Skip store-bought jewelry and show your stylish kid how to make her own beaded bracelets.

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.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Learn how to make a trick-or-treat bag for Halloween. See how to make a decorative trick-or-treat bag with this Halloween craft tutorial.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

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

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Help your 4th grader learn how to make a topographic map and strengthen key grade level social studies and math skills in the process.

Help your third grader practice his writing skills and learn to operate household appliances like the washing machine or DVR with this Family How-to guide!