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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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
This science fair project idea examines readersâ expectations in regard to literature.
High School
Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.
High School
What factor affects a person's choice: item location, or item color? Kids determine the answer to this question in this cool science fair project.
High School
Middle School
Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.
High School
The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.
High School
This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.
High School
Earth & Space Science

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