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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 31 to 45 of 129
This experiment will determine how different kinds of light affects the strength of bakerâs yeast.
High School
Microbiology
This experiment will explore if and where fractals can be found in the natural world.
High School
Botany
This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.
Genetics
Tenth Grade
This science fair project idea explores how far the average human can see.
High School
Anatomy
Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.
High School
Anatomy
Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.
Anatomy
Sixth Grade
Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?
Life Science
Ninth Grade
Science fair project that examines the biodiversity of ant populations in various locations.
Life Science
Ninth Grade
Science fair project that determines whether algae can be made to grow by feeding it supplementary carbon dioxide.
Life Science
Sixth Grade
This science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Life Science
Ninth Grade
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
This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.
High School
Life Science

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