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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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Showing 46 to 60 of 1,174
Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.
Physics
Fifth Grade
Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.
Physics
Ninth Grade
This science fair project idea discovers the average time it takes for a person to remember something completely.
Psychology and Sociology
Middle School
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Physics
Fifth Grade
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Food
Second Grade
Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!
Physics
Ninth Grade
This cool music science fair project idea has kids determine the effect of music on memory. Can music improve our cognitive abilities? Why or why not?
Psychology and Sociology
Middle School
This project examines whether people's taste perception is influenced by what they see.
Psychology and Sociology
Elementary School

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