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.
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