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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 determines whether the older population prefers darker, duller colors rather than bright and lush colors.
High School
Middle School
This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.
High School
Medium
Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.
High School
Middle School
Science fair project that determines whether spreading a moss soup over an area increases moss growth.
High School
Middle School
Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.
Tenth Grade
Physics

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