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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 121 to 135 of 186
The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.
High School
Earth & Space Science
This science fair project creates a visual model of whatâs happening to  sound waves as a car approaches and then leaves.
Fourth Grade
Fifth Grade
This experiment investigates whether left-handed test subjects have better memories than right-handed participants.
Seventh Grade
Behavioral/Health Science
Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?
Third Grade
Geology
Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.
Kindergarten
Food
This experiment will explore if a randomly iterated algorithm will result in a pattern.
High School
Physics
This science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Ninth Grade
Hard
Science fair project that determines which types of clouds are best at blocking harmful UV radiation.
Sixth Grade
Seventh Grade

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