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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 project has students collect wood samples and invent new uses for different types of wood based on its properties.
Elementary School
Fourth Grade
This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.
Elementary School
Fifth Grade
This science fair project outlines the uses of gold and explores the monetary value of gold.
High School
Ecology
This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.
Fifth Grade
Middle School
Investigate which substances are most effective at removing salt from water.
Ninth Grade
Chemistry
Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.
Fifth Grade
Sixth Grade
Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.
Middle School
High School

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