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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 project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.
High School
Ninth Grade
In this science fair project, you will demonstrate three types of stress that cause rock deformation- compression, tension, and shear.
High School
Middle School
Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.
High School
Medium
Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.
High School
Hard
In this science fair project, you will learn the differences between coarse-, medium-, and fine-textured soils.
High School
Middle School
Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.
High School
Medium
Do you hate to waste energy? In this experiment you will design a mechanical device that is powered bythe process known as energy transformation.
High School
Hard
Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.
High School
Hard
Science fair project that illustrates the properties of black holes in space.
High School
Physics
Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.
High School
Middle School
Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.
High School
Middle School
This science fair project idea increases the space efficiency of living areas and  encourages economic improvements via new real estate ideas.
High School
Hard
Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.
High School
Hard

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