Q 1
Question

State whether the following statements are True or False.

  • (i) We can only see that part of the Moon which reflects sunlight towards us.
  • (ii) The shadow of Earth blocks sunlight from reaching the Moon causing phases.
  • (iii) Calendars are based on various astronomical cycles which repeat in a predictable manner.
  • (iv) The Moon can only be seen at night.
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Answer
(i) True, (ii) False, (iii) True, (iv) False.

Explanation

Statement T/F Note
(i) We see only the lit part facing us True We see the illuminated portion that faces Earth.
(ii) Earth's shadow causes phases False Phases come from the Sun–Moon–Earth orientation, not Earth's shadow.
(iii) Calendars are based on predictable cycles True They use repeating sky cycles.
(iv) The Moon is seen only at night False The Moon can also be seen during the day.
Only (i) and (iii) are true; phases are not from Earth's shadow, and the Moon is also seen by day.
← Back to concept: 11.1.3 Making sense of our observations
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