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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 discover which nutrients are best for plants. Use Education.com for science fair project ideas!
High School
Botany
In this science fair project, you will test the effectiveness of calcium propionate, a food preservative that inhibits mold growth in bread.
High School
Botany
Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.
High School
Anatomy
Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.
High School
Anatomy
Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?
High School
Anatomy
This free science fair project idea teaches you all about the earthworm! Use Education.com for science fair project ideas.
High School
Zoology
This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.
High School
Zoology
This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.
High School
Anatomy
Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.
High School
Anatomy
Study and categorize the functions and types of genes. Run gene experiments  chosen from links. Analyze data, explain ideas in a detailed report.
High School
Genetics
Dissect a pinto bean and learn how to identify all of its parts in this science fair project!
High School
Botany
Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.
High School
Anatomy
Science fair project that determines whether brain size is correlated with intelligence.
High School
Anatomy

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