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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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Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.
Ninth Grade
Physics
Examine how a battery can be made from everyday materials.
High School
Middle School
We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.
High School
Ninth Grade
This science fair project idea enhances awareness of local food production and food sourcing.
High School
Elementary School
Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.
Ninth Grade
Physics
Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.
High School
Middle School
Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!
Ninth Grade
Physics
In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.
High School
Middle School

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