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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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Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.
High School
Hard
Investigate which substances are most effective at removing salt from water.
Ninth Grade
Chemistry
Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.
High School
Middle School
Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.
High School
Medium
This free science fair project idea shows you how parallax decreases as distance from the object increases.
High School
Middle School
This study observes plants, insects and an animal living in proximity to a known source of EMF.
High School
Ninth Grade
Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.
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
A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?
High School
Middle School
This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter
High School
Middle School
Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.
High School
Middle School

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