Astronomy 210 Quiz 2, Spring Semester 2011
Cuesta College, San Luis Obispo, CA
What causes a solar eclipse?
(A) The slow, gradual rotation of the moon about its own axis.
(B) Earth blocks light from the sun, casting a shadow on the moon.
(C) The moon blocks light from the sun, casting a shadow on Earth.
(D) Different amounts of the day and night sides of the moon as seen from Earth.
Correct answer: (C)
During a solar eclipse, the moon is between the sun and Earth, blocking Earth's view of the sun.
Section 30674
(A) : 1 student
(B) : 6 students
(C) : 35 students
(D) : 0 students
"Success level": 84% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.50
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