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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 compares the abilities of men and women to understand subtle communication through body language.
High School
Psychology and Sociology
Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.
Eighth Grade
Ninth Grade
In this experiment, students create music with subliminal messaging to try to influence people's decision-making.
High School
Ninth Grade
In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.
High School
Ninth Grade
Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA
High School
Medium
Science fair project that uses distillation to convert salt water into fresh water.
Seventh Grade
Eighth Grade
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
High School
Eighth Grade
Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.
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
Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.
High School
Middle School

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