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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 enhances awareness of local food production and food sourcing.
High School
Ecology
Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.
Ecology
Seventh Grade
In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.
High School
Ecology
This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.
High School
Ecology
This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.
High School
Ecology

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