Instructional Video

How Does The Earth Spin?

Curated and Reviewed by Lesson Planet

It's a new spin on acceleration! Watch as visitors at a park try to explain the rotation of the Earth using a granite model. The interviewer demonstrates the application of force in different directions to cause the sphere to accelerate or decelerate while explaining the concept of inertia.

 

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Instructional Ideas
  • Perform an acceleration demonstration after watching the video or set one up and let the class experiment to determine how an object with a lot of inertia is able to accelerate
  • In advanced classes, have pupils calculate how much force would be necessary to cause Earth to accelerate its rotation
Classroom Considerations
  • Provide some background information about force, mass, and acceleration to learners that are less familiar with the concepts
  • This video is hosted on YouTube
Pros
  • The resource shows a great example of inertia versus acceleration for learners struggling with the relationship
  • Narrator gently corrects misconceptions of his interviewees while leading them toward the right answer to the question
Cons
  • None