Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project examines how seeds hitchhike on animals and clothing.

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

Learn how to make fairy wings with these easy instructions. See how to make fairy wings for Halloween or dress-up time.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Learn how to make onigiri, a popular Japanese snack.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

See how to write a love song simply in this kid-focused tutorial. Learn how to write a love song for Valentine's Day and beyond.

Help your child make a recycling poster for your household and teach them how to take care of the environment!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

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

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

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.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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.

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?