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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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What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.
Tenth Grade
Physics
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
Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.
High School
Middle School
Science fair project that designs a video game that requires players to use relevant skills.
High School
Middle School

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