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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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Showing 61 to 75 of 268
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Physics
Middle School
Test the combustion of different types of woods.
High School
Chemistry
This experiment examines if space objects become round after reaching a certain mass.
High School
Physics
This experiment will explore if a randomly iterated algorithm will result in a pattern.
High School
Physics
In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.
High School
Physical Science
This experiment will examine and precisely measure the amount of sugar in various sodas.
High School
Physics
In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.
Physical Science
Seventh Grade
Science fair project that uses distillation to convert salt water into fresh water.
Chemistry
Seventh Grade
How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.
Chemistry
Ninth Grade

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