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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 166 to 180 of 1,177
This science fair project idea  researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.
Physical Science
Elementary School
This science fair project idea explores the different parts of the human ear and  models how the human ear reacts to sound waves.
Physical Science
Elementary School
Evaluate gender differences in processing visual information.
Psychology and Sociology
Middle School
What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.
Psychology and Sociology
Fifth Grade
In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.
Physical Science
Kindergarten
This science fair project explores how salt and sugar affect the melting rate of ice in water.
Chemistry
Middle School

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