High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? 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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This experiment will examine and precisely measure the amount of sugar in various sodas.
High School
Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA
High School
In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.
High School
Ninth Grade
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Middle School
Seventh Grade
This experiment will explore if and where fractals can be found in the natural world.
High School
This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.
High School
Middle School

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