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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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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
Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.
Ninth Grade
Tenth Grade
Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.
First Grade
Chemistry
This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.
Ninth Grade
High School
We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.
Ninth Grade
High 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
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Ninth Grade
Geology
Kids often ask, 'how tall am I?' This science fair project seeks to determine how well kids can guess their own heights.
First Grade
Easy
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
First Grade
Elementary School

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