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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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Analyze temperature and precipitation data to determine whether current weather conditions are outside the historical norm.
High School
Middle School
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
High School
Elementary School
In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.
Ninth Grade
Psychology and Sociology
Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?
Seventh Grade
Eighth Grade
This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments
High School
Ninth Grade
Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.
Ninth Grade
Physics
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
High School
Middle School

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