Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

This science fair project researches the most effective method to cut an onion and stay tear-free.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Free science fair project idea examining how different types of water affect plant germination and growth.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

This science fair project idea experiments with unusual ideas in fashion design and the development of eco-friendly fashion products.

This science fair project idea attempts to develop a new or improved eco-friendly packing material.

This project involves the development of a website using free software online to promote the value of science.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

This science fair project idea designs a unique, eco-friendly living space and encourages advances in green architecture.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

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

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.