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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 61 to 75 of 1,177
What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.
Physics
Fifth Grade
Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.
Physics
Fifth Grade
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
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Chemistry
Elementary School
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Chemistry
Third Grade
Kids often ask, 'how tall am I?' This science fair project seeks to determine how well kids can guess their own heights.
Psychology and Sociology
First Grade
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Psychology and Sociology
Fifth Grade
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Physics
Fifth Grade
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Chemistry
Ninth Grade
Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.
Chemistry
Sixth Grade

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