Cuesta College, San Luis Obispo, CA
Which phase will the moon have when it is rising at 3:00 PM? Clearly circle your answer below.
Correct answer (highlight to unhide): (A)
The moon that rises at 3:00 PM will be highest overhead six hours later, at 9:00 PM, while essentially keeping the same phase (as it would take three-and-a-half days to go to the next phase). The waxing gibbous moon (response (A)) is highest overhead at 9:00 PM.
(Response (C) (waxing crescent) is the phase that that is highest overhead at 3:00 PM; response (E) (waning crescent) is the phase that is setting at 3:00 PM.)
Section 30674
Exam code: quiz01n1aR
(A) : 16 students
(B) : 0 students
(C) : 2 students
(D) : 0 students
(E) : 9 students
(F) : 5 students
(G) : 2 students
(H) : 1 student
Success level: 47% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.62
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