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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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This science fair project idea determines which method of hand cleansing is the most effective.
First Grade
Elementary School
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Seventh Grade
Sixth Grade
In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.
Seventh Grade
Middle School
Kids often ask, 'how tall am I?' This science fair project seeks to determine how well kids can guess their own heights.
First Grade
Easy
How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.
Seventh Grade
Psychology and Sociology
Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.
Seventh Grade
Electricity and Magnetism

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