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High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.

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Showing 46 to 60 of 79
This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.
High School
Psychology and Sociology
This project examines whether humans can intuitively grasp numeric values greater than three.
High School
Psychology and Sociology
Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.
High School
Psychology and Sociology
This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.
High School
Psychology and Sociology
This science fair project explores  a personâs eye-color genotype.
High School
Genetics
Do males really prefer listening to male than female singers? Find out when exploring this science fair project!
Psychology and Sociology
Sixth Grade
What happens when 'coffee-addicts' miss coffee for 1 day? Find out in this science fair project idea!
Psychology and Sociology
Sixth Grade
Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.
High School
Psychology and Sociology
Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.
Psychology and Sociology
Seventh Grade
Science fair project which determines whether people are more likely to follow rules if they are easy to understand.
Psychology and Sociology
Fifth Grade
The objective of this science fair project is to determine the rate at which participants can respond to different patterns.
Psychology and Sociology
Tenth Grade
Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!
Psychology and Sociology
Sixth Grade
Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.
High School
Psychology and Sociology

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