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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Showing 46 to 60 of 77
Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.
High School
Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.
High School
Get a cool physics science fair project idea for advance middle school and high school students on measuring the Earth's magnetic field.
High School
Middle School
This project involves the programming and development of a 3D Rubik's Cube application using C++.
Ninth Grade
Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.
High School
Middle School
The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.
Tenth Grade

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