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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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It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.
Second Grade
Psychology and Sociology
This science fair project idea studies how time perception changes with age.
Elementary School
Middle School
Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?
Middle School
Medium
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Sixth Grade
Seventh Grade
Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.
High School
Hard
This science fair project idea studies the differences in gender perception between people.
High School
Psychology and Sociology
In this project, a magnet is used to collect iron from breakfast cereals.
Elementary School
Fifth Grade
When the lungs are filled, they hold varying volumes of air depending on the size of person. In this project, learn how to measure your lung's air capacity.
Middle School
Easy

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