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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 high school science fair project investigates if small changes in your diet alter the pH of your saliva.
High School
Life Science
Research is dependent upon the idea that sample sizes are generally representative of a population...but is this true? Test the assumption with M&Ms!
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
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
Determine how wind speed affects the stability of a kite and the ease of getting it into the air.
High School
Middle School

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