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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 is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.
High School
Hard
Examine spreadsheet functions and design a new way to utilize spreadsheets. Analyze a spreadsheet program to familiarize yourself with its capabilities.
High School
Hard
Design an  improvement for an existing website. Program improved feature, get website owner to implemement new design.
High School
Hard
Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.
High School
Medium
Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.
High School
Medium
In this science fair project, you will determine the effect of the enzymes found in a detergent on cleaning different stains.
High School
Middle School
Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.
High School
Medium
Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.
High School
Medium
This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.
High School
Middle School
This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.
High School
Ecology
Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report
High School
Medium
In this science fair project, you will determine the effects of acids and bases on red cabbage. Use Education.com for free science fair project ideas!
High School
Middle School
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

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