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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 161
This science fair project determines how oil affects a bird’s waterproofing.
Middle School
High School
This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.
Third Grade
Ecology
This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.
Second Grade
Ecology
Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.
Seventh Grade
Ecology
Is your kid crazy about science? Check out this selection of advanced science projects that revolve around the sun.
High School
Science Fair Project Ideas
Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?
Sixth Grade
Seventh Grade
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Sixth Grade
Seventh Grade
Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
Fourth Grade
Botany

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