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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Showing 241 to 255 of 630
This science project idea studies differences between drugstore brand and expensive salon brand shampoos.
High School
Life Science
Science fair project that examines the physical characteristics of soil in order to learn about soil permeability and other environmental properties.
Fifth Grade
Sixth Grade
This science fair project idea studies the differences in gender perception between people.
High School
Psychology and Sociology
This science fair project idea designs safe bicycle routes using GPS.
High School
Middle School
A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Seventh Grade
Eighth Grade
This science fair project determines the quality of a given product.
High School
Middle School
This science fair project idea assesses the effect of music on work performance.
High School
This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.
High School
Ninth Grade

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