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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 76 to 90 of 129
Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.
High School
Life Science
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
Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.
High School
Life Science
Determine whether the application of Febreeze will lower the bacterial count.
High School
Life Science
Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.
High School
Life Science
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
A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?
High School
Life Science
Demonstrate if  cooking destroys all bacteria that is present in raw meats such as salmonella.
High School
Microbiology
Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?
Life Science
Seventh Grade
Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.
High School
Botany
Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.
Life Science
Fifth Grade
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
Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.
High School
Life Science

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