11
practice testMultiple Choice

Practice Test

Question 11 • Earth and Space Science

An observer sees only a thin sliver of the Moon lit on the right side. Which statement best describes the Moon at this point in its cycle?

Answer
A
The Moon is a waning crescent and will be new in about a week.
B
The Moon is a waxing crescent and will reach the first quarter in a few days.
C
The Moon is a waxing gibbous and will be full in about two weeks.
D
The Moon is a third quarter and will be full in two weeks.

Explanation

A thin lit sliver on the right is a waxing crescent. “Waxing” means the illuminated portion is growing, so the Moon will progress toward first quarter in a few days. A waning crescent would have its lit sliver on the left.

AI-written and checked against the verified answer.

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