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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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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
Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.
Fourth Grade
Easy
Discover how and which salt melts ice the quickest.
Elementary School
Fourth Grade
Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.
Middle School
High School
This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.
Elementary School
Fifth Grade
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Elementary School
Fifth Grade
This science fair project idea explores the different properties & interactions of sugar molecules.
Elementary School
Fourth Grade
This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.
Elementary School
Fifth Grade

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