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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 253
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
Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.
High School
Chemistry
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
Science fair project that uses distillation to convert salt water into fresh water.
Chemistry
Seventh Grade
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
High School
Physical Science
This experiment will examine and precisely measure the amount of sugar in various sodas.
High School
Physics
This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.
High School
Physical Science

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