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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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Showing 61 to 75 of 143
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Life Science
Fifth Grade
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
Zoology
Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.
High School
Microbiology
This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.
High School
Life Science
This science fair project idea  determines whether plants grow better in soil or in fish ponds.
High School
Botany
Hypothesize goldfish ability to display long term memory based on your experience training the fish. Evaluate the abilities of goldfish to succeed at tasks.
High School
Zoology
This science fair project explores  a personĂ¢s eye-color genotype.
High School
Genetics
This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.
High School
Zoology
This science fair project idea  determines whether dogs can be trained faster using a food reward or praise.
High School
Zoology
Demonstrate if  cooking destroys all bacteria that is present in raw meats such as salmonella.
High School
Microbiology

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