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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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Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.
High School
Medium
This project studies how density maximizes the growth of juvenile limulus polyphemus (Horseshoe Crabs)
Middle School
Zoology

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