High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? 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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This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.
Tenth Grade
This fascinating science fair project explores eye color genotypes.
High School
Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.
High School
Study and categorize the functions and types of genes. Run gene experiments  chosen from links. Analyze data, explain ideas in a detailed report.
High School

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