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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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In this free science fair project, explore what are circumpolar stars by modeling the motion of circumpolar stars at Earth's poles.
Astronomy
Middle School
In this free science fair project, explore the sky globe by modeling the motion of the celestial sphere. Use Education.com for more free science projects!
Astronomy
Middle School
The sun's internal structure consists of four different zones varying in temperature and texture.  Do this science fair project to learn what they are.
Astronomy
Middle School
Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.
Engineering
Middle School
Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.
Ecology
Middle School
Weather and Climate
Elementary School

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