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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 overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.
High School
Hard
Design an  improvement for an existing website. Program improved feature, get website owner to implemement new design.
High School
Hard
In this science fair project, you will test for the presence of carbon dioxide when an acid and carbonate compound react.
High School
Middle School
This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.
High School
Hard
Design a more versatile real estate website. Contact realtors and real estate websites for advice and further information. modify an existing design
High School
Hard
Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.
High School
Hard
Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.
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
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 camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.
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
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 effect of the enzymes found in a detergent on cleaning different stains.
High School
Middle School

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