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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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Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.
High School
Medium
This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.
High School
Middle School
Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.
High School
Psychology and Sociology
Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.
High School
Medium
Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.
High School
Medium
Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.
High School
Medium
Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.
High School
Medium
Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.
High School
Chemistry
Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications
High School
Engineering
Study and categorize the functions and types of genes. Run gene experiments  chosen from links. Analyze data, explain ideas in a detailed report.
High School
Genetics

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