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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 idea examines how well individuals can remember a story they were told and how accurately they pass that story along.
High School
Elementary School
This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.
High School
Ninth Grade
Science fair project that explains and demonstrates the parallax principle.
High School
Middle School
Test the combustion of different types of woods.
High School
Middle School
Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.
High School
Middle School
This experiment will explore the possibility of creating an infinite object by hand.
High School
Applied Mathematics
Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.
High School
Middle School
This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.
High School
Applied Mathematics
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 if space objects become round after reaching a certain mass.
High School
Physics
Science fair project that uses distillation to convert salt water into fresh water.
Seventh Grade
Eighth Grade

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