The Ring Fling Machine

This The Ring Fling Machine lab resource also includes:

Class members build a machine to demonstrate Lenz's law and help this scientific principle come to life. After building a ring fling machine, instructions for properly operating the machine and a few thought-provoking questions lead to immediate classroom application.

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CCSS: Adaptable
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Instructional Ideas
  • Test additional metal rings, predicting their results before using the machine
Classroom Considerations
  • Requires a considerable amount of time to build the machine before students can use it
  • Relies on prior knowledge of Faraday's law of induction, Lenz's law, and Newton's third law
Pros
  • Offers excellent step-by-step directions, including when to take a snack break while building the machine
  • Provides photos of many of the steps to help builders stay on track
Cons
  • None
Common Core