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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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Determine which factors promote the greatest  memory interference. Administer test, time how long it takes subjects to complete different tasks.
High School
Medium
Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.
High School
Hard
This science fair project idea studies how how do readers predict what events will happen next while reading a story.
High School
Medium
Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework
High School
Psychology and Sociology
What happens when 'coffee-addicts' miss coffee for 1 day? Find out in this science fair project idea!
Sixth Grade
Seventh Grade
Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.
High School
Medium
Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.
High School
Medium
This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.
High School
Middle School
Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.
High School
Hard

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