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.

This holiday season, help your third grader celebrate gifts--so often both cost-free and priceless--that the family has shared this year.

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.

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

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.

This quick budget-friendly recipe is the perfect way to indulge in a restaurant quality meal in the comfort of your home. And it's grain and dairy free to boot!

This gluten free recipe for coconut rice is a tasty way to help any picky eater expand her culinary horizons. She'll get great measuring practice along the way!

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

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

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

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.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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.

Nothing says fall like pumpkin soup, but it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.