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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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The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.
High School
Middle School
The objective of this experiment is to college and evaluate the nocturnal insect population in your area and evaluate your sample for health hazards.
High School
Middle School
This science fair project idea determines whether plants grow better in soil or in fish ponds.
High School
Middle School

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