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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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Showing 31 to 45 of 65
This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.
High School
Middle School
Science fair project that uses distillation to convert salt water into fresh water.
Seventh Grade
Eighth Grade
Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.
High School
Middle School
The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.
Tenth Grade
Physics
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Sixth Grade
Seventh Grade
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
High School
Elementary School
Study emulsifiers and learn how work, use in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.
Eighth Grade
Ninth Grade
Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.
High School
Middle School
Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.
High School
Medium
Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.
High School
Medium

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