High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? 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 outlines the uses of gold and explores the monetary value of gold.
High School
This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.
High School
Middle School
Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.
High School
Ninth Grade
This science fair project idea demonstrates the property of bouncing in a fresh new way.
High School
Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.
High School

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