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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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Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.
High School
Middle School
Determine how wind speed affects the stability of a kite and the ease of getting it into the air.
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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