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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 determine the effect of the enzymes found in a detergent on cleaning different stains.
High School
Middle School
Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.
High School
Medium
In this science fair project, you will determine the effects of acids and bases on red cabbage. Use Education.com for free science fair project ideas!
High School
Middle School
This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.
High School
Elementary School
Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.
High School
Hard
Science fair project that determines whether brain size is correlated with intelligence.
High School
Medium
In this science fair project you will discover which nutrients are best for plants. Use Education.com for science fair project ideas!
High School
Middle School
Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.
High School
Medium
Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.
High School
Easy
Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.
High School
Medium
Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.
High School
Hard

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