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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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This science fair project examines whether ocean water can be made safe to drink.
High School
Chemistry
The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.
High School
Chemistry
This science fair project idea explores how far the average human can see.
High School
Physical Science
Discover whether people can distinguish what a person looks like just by listening to their voice.
Physical Science
Seventh Grade
Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.
High School
Physical Science
Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.
Physical Science
Ninth Grade

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