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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 996
In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.
Psychology and Sociology
Fifth Grade
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Chemistry
Elementary School
Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.
Physical Science
Middle School
With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.
Physics
First Grade
Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.
Chemistry
Third Grade
Explore the neural and mental mechanisms at play in mental imagery.
Psychology and Sociology
Middle School
Evaluate whether people can raise the temperature of their finger using the power of their thoughts.
Psychology and Sociology
Middle School

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