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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 do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.
Seventh Grade
Psychology and Sociology
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Fifth Grade
Psychology and Sociology
Kids often ask, 'how tall am I?' This science fair project seeks to determine how well kids can guess their own heights.
First Grade
Easy
Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.
Fifth Grade
Middle School
This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.
Elementary School
Fifth Grade
Evaluate whether birth order influences personality.
Middle School
Psychology and Sociology
This science fair project idea examines  whether people can decode scrambled messages.
Middle School
Psychology and Sociology

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