Why Does the Moon Orbit Earth?

Why does the moon stay put, never getting too close or too far from Earth? See the truth unfold through interviews and a simulation using a basketball and a tennis ball. The host helps guide the discussion, all while spinning a ball to simulate Earth's rotation.

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Instructional Ideas

  • Have partners recreate the moon and Earth relationship for a fun in-class activity
  • The video works as a starter for lessons on gravity    
Classroom Considerations

  • Be sure that learners can differentiate between gravity and the other attractive force mentioned in the resource, magnetism

  • Interviewer skillfully guides his subjects toward the correct answer as each person tries to simulate the Earth-moon relationship
  • The video provides context for a discussion about why the distance between Earth and moon stays the same

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