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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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In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
High School
Middle School
This science fair project idea explores how far the average human can see.
High School
Middle School
Learn about the growing app design field by designing a new or improved app for smartphones.
High School
Medium
Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.
High School
Medium
Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.
High School
Hard
Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.
High School
Hard
Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Ninth Grade
Weather and Climate
Determine which factors promote the greatest  memory interference. Administer test, time how long it takes subjects to complete different tasks.
High School
Medium
This science fair project examines whether ocean water can be made safe to drink.
High School
Middle School
The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.
High School
Chemistry

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