Instructional Video

What IS Angular Momentum?

Have you ever felt like you're going nowhere? You really are going nowhere — if you happen to be spinning, rotating, or orbiting something! Young physicists learn about angular momentum in a short illustrated video. The narrator calculates the angular momentum of Earth in its path around the sun, then takes away the sun and mathematically shows how the angular momentum isn't changed.

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Instructional Ideas
  • Use the video as a part of a lesson on rotation or as a supplement to a quantum numbers discussion
  • Have the class brainstorm a list of factors that could change angular momentum based on the information in the resource
Classroom Considerations
  • Review the concept of velocity and circular motion before watching the video
  • Animations help pupils follow difficult subject matter
  • The narrator uses analogies to clarify unfamiliar quantities
  • None