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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 1 to 15 of 389
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Seventh Grade
Elementary School
How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.
Seventh Grade
Psychology and Sociology
Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.
Ninth Grade
Physics
Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.
Ninth Grade
Tenth Grade
This project examines whether and what associations exist between numbers and letters and colors.
Seventh Grade
Middle School
Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.
Ninth Grade
Physics
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Seventh Grade
Elementary School
This experiment investigates if stress alters body temperature.
Seventh Grade
Middle School
High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.
Ninth Grade
Physics
In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.
Seventh Grade
Ninth Grade

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