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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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In this experiment you observe fires of different colors: white, blue-violet, and green.
High School
Middle 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
Medium
This science fair project idea helps develop new and improved earthquake detection methods and techniques.
High School
Ecology
Hypothesize goldfish ability to display long term memory based on your experience training the fish. Evaluate the abilities of goldfish to succeed at tasks.
High School
Middle School
If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.
High School
Middle School
Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.
High School
Medium
Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.
High School
Easy
Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.
High School
Psychology and Sociology
Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.
High School
Medium
This science fair project idea designs a unique, eco-friendly living space and  encourages advances in green architecture.
High School
Hard
In this experiment we use Scotch Guard to make sand that resists water.
High School
Middle School
Science fair project that determines whether brain size is correlated with intelligence.
High School
Medium

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