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

In this activity, your child will reflect on one role model in their life or research one historical figure that has displayed perseverance. Then, they will create a slideshow presentation or poster that defines and illustrates perseverance.

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 examines how seeds hitchhike on animals and clothing.

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

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.

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

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.

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

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

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.

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.

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

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.

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

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.

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

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

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.

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

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

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

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

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.

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