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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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In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Applied Mathematics
Ninth Grade
Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.
High School
Applied Science
In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.
High School
Applied Science
The purpose of this project is to examine the sun's highest altitude in the sky during the day to determine if it is exactly halfway between sunrise and sunset.
High School
Applied Mathematics
Science fair project that designs a video game that requires players to use relevant skills.
High School
Computers
Research is dependent upon the idea that sample sizes are generally representative of a population...but is this true? Test the assumption with M&Ms!
High School
Applied Mathematics
Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.
Applied Mathematics
Ninth Grade
This experiment will explore if and where fractals can be found in the natural world.
High School
Applied Science
This experiment will determine if motion parallax is an accurate measure of distance for small, faraway objects.
High School
Applied Mathematics
This experiment will explore the possibility of creating an infinite object by hand.
High School
Applied Mathematics
Science fair project that explains and demonstrates the parallax principle.
High School
Applied Science

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