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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 667
Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.
Ninth Grade
Physics
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Seventh Grade
Eighth Grade
This high school science fair project investigates if small changes in your diet alter the pH of your saliva.
High School
Life Science
In this science fair project, students evaluate if astrological signs provide clues about people's personalities.
High School
Ninth Grade
The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.
High School
Earth & Space Science
The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.
High School
Middle School
This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.
High School
Middle School
This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.
High School
Ninth Grade

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