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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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How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.
Third Grade
Medium
This science fair project teaches students the differences between fruits and vegetables.
Third Grade
Elementary School
High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.
Ninth Grade
Physics
This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.
Ninth Grade
High School
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!
Third Grade
Astronomy
What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.
Third Grade
Anatomy
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

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