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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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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
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
Research is dependent upon the idea that sample sizes are generally representative of a population...but is this true? Test the assumption with M&Ms!
High School
Middle School
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
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

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