How Can We Predict An Eclipse?


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question 1 of 3

The imaginary line that connects the two nodes of the moon's orbit around Earth is known as the:

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1. This is an 18 year, 11 and one-third day cycle and pattern of solar and lunar eclipses:

2. The times when eclipses of the moon and sun are possible are called the:

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About This Quiz & Worksheet

This quiz and corresponding worksheet gauge your grasp of the conditions necessary to produce an eclipse. Practice problems assess your knowledge of eclipses as well as your understanding of the terms nodes, orbits and precession.

Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

  • Nodes
  • The cycle and pattern of lunar and solar eclipses
  • When eclipses are possible
  • The precession of the moon's orbit

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson on the prediction of eclipses
  • Making connections - use understanding of the term 'eclipse'
  • Interpreting information - verify that you can read information regarding eclipses and interpret it correctly

Additional Learning

To learn more about predicting eclipses, review the short accompanying lesson called How Can We Predict An Eclipse? This lesson covers the following objectives:

  • Describe what two events can produce an eclipse
  • Explain why eclipses do not happen at the same time each year
  • Discuss the Saros cycle
  • Talk about the time period between eclipse seasons and how long an eclipse season lasts