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This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Ever wonder how those kooky kazoos work? Get to know the science behind this silly instrument by making your very own kazoo!

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

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

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

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

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

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

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

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

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

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

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

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

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.

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

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

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

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!

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

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.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

This science fair project idea investigates how images are influenced by changes in light.

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

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.

Want to reuse materials that would otherwise get tossed in the trash? Show your third grader how to get crafty with old newspaper and fabric.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.