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 explore if a randomly iterated algorithm will result in a pattern.
High School
This experiment will determine how different kinds of light affects the strength of bakerâs yeast.
High School
Is your kid crazy about science? Check out this selection of advanced science projects that revolve around the sun.
High School
Science Fair Project Ideas
This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.
High School
Applied Mathematics
Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.
Seventh Grade
Eighth Grade
In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.
Ninth Grade
Test the combustion of different types of woods.
High School
Middle School
This experiment will explore how manipulating a graph of historical information might reveal new information about data.
High School
Applied Mathematics
This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.
High School
Behavioral/Health Science
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
High School
Eighth Grade

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