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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 31 to 45 of 433
How does frost form?  How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.
Third Grade
Easy
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
Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.
Third Grade
Easy
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
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Third Grade
Medium
This science fair project idea determines which method of hand cleansing is the most effective.
Third Grade
Elementary School
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Third Grade
Second Grade
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
This science fair project teaches students the differences between fruits and vegetables.
Third Grade
Elementary School

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