Astronomy current events question: Large Underground Xenon experiment

Astronomy 210L, fall semester 2012
Cuesta College, San Luis Obispo, CA

Students are assigned to read online articles on current astronomy events, and take a short current events quiz during the first 10 minutes of lab. (This motivates students to show up promptly to lab, as the time cut-off for the quiz is strictly enforced!)
Bill Harlan, "Dark Matter Detector Submerged in Water Tank," November 15, 2012
The Large Underground Xenon experiment in South Dakota to detect dark matter is installed deep underground in a water-filled tank in order to:
(A) cool down its components.
(B) shield it from cosmic radiation.
(C) protect it from earthquake tremors.
(D) contain radioactive emissions.
(E) inhibit corrosion.

Correct answer: (B)

Student responses
Sections 70178, 70186, 70200
(A) : 2 students
(B) : 19 students
(C) : 1 student
(D) : 4 students
(E) : 0 students

No comments: