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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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This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.
Kindergarten
Elementary School
Science fair project that builds a magnetometer and demonstrate its uses.
Middle School
High School
This science fair project idea looks into the concept of powered parachutes as the future of transportation.
High School
Engineering
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Fifth Grade
Engineering
In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.
Fifth Grade
Engineering
In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.
Sixth Grade
Physics
In this free science fair project idea, we learn about the physical concept of work.
Middle School
Physics
What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.
Second Grade
Engineering

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