Curated OER
Homopolar Motor Experiments
Students construct a homopolar motor following certain procedures. In this physics instructional activity, students explain how generators and motors work. They compare and contrast the characteristics of both.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Rail Gun Model
Simulate the movement of a rail gun in this interactive model. Learn how a magnetic field is generated by running electrical current through long rods that accelerates a current-carrying cross-rod.
![Discovery Education: Build Your Own Perpetual Motion Machine [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Discovery Education: Build Your Own Perpetual Motion Machine [Pdf] Lesson Plan")
Discovery Education
Discovery Education: Build Your Own Perpetual Motion Machine [Pdf]
A lesson for students to explore the conversion of energy from electrical energy to kinetic energy by constructing a homopolar motor. Also by constructing the motor, students can investigate magnetism, electricity, and RPM.