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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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Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.
Sixth Grade
Electricity and Magnetism
We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.
Ninth Grade
High School
Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.
Ninth Grade
High School
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Ninth Grade
Geology
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Sixth Grade
Easy

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