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Questions and Answers
What was the purpose of using a gnomon in ancient civilizations?
What was the purpose of using a gnomon in ancient civilizations?
- To observe the motion of the sun (correct)
- To create ancient calendars
- To track the movements of stars
- To predict natural disasters
What can be observed from the shadows cast by a gnomon?
What can be observed from the shadows cast by a gnomon?
- The path of the sun (correct)
- The movement of planets
- The rotation of the Earth
- The orbit of the moon
How often does the moon change its appearance?
How often does the moon change its appearance?
- Every 14 days
- Every 7 days
- Every 29.5 days (correct)
- Every 30 days
What changes can be observed in the moon's appearance?
What changes can be observed in the moon's appearance?
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What is the basis of ancient calendars?
What is the basis of ancient calendars?
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