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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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This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.
High School
Elementary School
Analyze temperature and precipitation data to determine whether current weather conditions are outside the historical norm.
High School
Middle School
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
High School
Elementary School
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
High School
Middle School
This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.
High School
Ninth Grade

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