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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 idea explores how far the average human can see.
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
Determine which factors promote the greatest  memory interference. Administer test, time how long it takes subjects to complete different tasks.
High School
Medium
Learn about the growing app design field by designing a new or improved app for smartphones.
High School
Medium
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Fourth Grade
Fifth Grade
This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.
Tenth Grade
Medium
Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.
Sixth Grade
Seventh Grade
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
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
Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?
Sixth Grade
Seventh Grade
Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.
High School
Medium

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