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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 science fair project, you will demonstrate apical dominance, which is the inhibition of lateral bud development, on white potatoes from your pantry.
High School
Botany
Learn how healthy potted tomato plants can mature and bear fruit in a hydroponic environment! Use Education.com for free science fair project ideas.
High School
Botany
Learn how to test for the production of carbon dioxide by respiration in plants with this science fair project.
High School
Botany
Learn about plant growth with this science fair project using a pinto bean plant! Use Education.com for science fair project ideas.
High School
Botany

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