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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 science fair project, students use the streak test to tell minerals apart from each other.
Fifth Grade
Elementary School
Discover how and which salt melts ice the quickest.
Fifth Grade
Elementary School
Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.
Fifth Grade
Medium
Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.
Fifth Grade
Easy
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Fifth Grade
Elementary School

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