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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 science fair project idea  determines what household items are good conductors of electricity.
Elementary School
Third Grade
This science fair project idea determines what household items are good conductors of electricity.
Third Grade
Fourth Grade
In this free science fair project idea, we learn how to model a series circuit, a type of electrical circuit.
Middle School
Physics
Does 'short circuit' mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.
Middle School
Electricity and Magnetism
This article provides steps for making a rheostat, a small device that controls the voltage by a dial or knob. Great for science fairs!
Middle School
Electricity and Magnetism
Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.
Fourth Grade
Fifth Grade
Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.
Seventh Grade
Eighth Grade

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