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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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Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.
Sixth Grade
Easy
Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.
Sixth Grade
Hard
Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.
Sixth Grade
Physics
Do goldfish have a higher respiration rate than humans? Does size affect how fast you breathe? Find out in this fun science project!
Sixth Grade
Life Science
This project examines whether people's taste perception is influenced by what they see.
First Grade
Elementary School
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Sixth Grade
Elementary School
What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!
Sixth Grade
Electricity and Magnetism
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Sixth Grade
Elementary School

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