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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 experiment will examine and precisely measure the amount of sugar in various sodas.
High School
Physics
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
High School
Eighth Grade
This experiment will explore if and where fractals can be found in the natural world.
High School
Botany
Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.
Seventh Grade
Eighth Grade
Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.
Seventh Grade
Eighth Grade
In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.
Ninth Grade
Engineering
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
Eighth Grade
This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.
High School
Behavioral/Health Science
This experiment will explore if a randomly iterated algorithm will result in a pattern.
High School
Physics

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