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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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This science fair project idea discovers the mechanism of laminar flow and  encourages technological progress based on this concept.
High School
Physics
This science fair project discovers the causes, effects and practical applications of buoyancy and encourages technological advances.
High School
Physics
Garlic has a distinctive smell health benefits. The purpose of this science fair project is to determine whether garlic inhibits the growth of bacteria.
High School
Middle 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
Anatomy
This science fair project idea determines whether plants grow better in soil or in fish ponds.
High School
Middle School
This science fair project idea demonstrates the property of bouncing in a fresh new way.
High School
Physics
In this science fair project, you will investigate polarized and unpolarized light. Use Education.com to find free science fair project ideas!
High School
Middle School
In this project, you will demonstrate Newton's third law of motion, that every action has an equal and opposite reaction due to the action of paired forces.
High School
Middle School

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