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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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In this free science fair project idea, we model sidereal time and solar time and learn about the difference between these two timekeeping systems
Astronomy
Middle School
Get free science fair project ideas for middle school and high school students that cover topics in earth science.
Astronomy
Middle School
Use identical flashlights to represent stars with the same luminosity and design a way to measure the brightness of luminous bodies from different distances.
Astronomy
Middle School
In this science fair project, demonstrate how the sun appears in different parts of the sky during the year. Also, learn about the 12 signs of the zodiac.
Astronomy
Middle School
The objective of this project is to determine the safety stress range for a piece of balsa wood, while considering weight.
Engineering
High School
Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.
Engineering
Middle School

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