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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, explore whether or not solid rock will melt at high temperature.  Use Education.com for more science fair project ideas!
Elementary School
Geology
In this free science fair project, explore the sky globe by modeling the motion of the celestial sphere. Use Education.com for more free science projects!
Middle School
Astronomy
Check out this cool and free middle school science fair project idea on how to make a solar oven.
Seventh Grade
Easy
Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.
Fourth Grade
Easy
The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.
Tenth Grade
Physics
This science fair project idea determines which brand of batteries have the longest life.
Elementary School
Middle School
Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.
Elementary School
Fourth Grade

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