Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

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 cape for your little superhero, vampire, or Elvis impersonator. See how to make a cape with this simple tutorial.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

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.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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

Learn how to make paper Christmas trees with this simple craft. See how to make paper Christmas trees and celebrate the holiday season.

This science fair project idea explores how water and ice can change the form of rocks.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.