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!)
Eugenie Samuel Reich, "No Sign of Dark Matter in Underground Experiment," October 30, 2013The Large Underground Xenon (LUX) experiment has not yet detected anything, which is evidence that dark matter:
http://www.nature.com/news/no-sign-of-dark-matter-in-underground-experiment-1.14057
(A) has an extremely long radioactive half-life.
(B) completely decayed into dark energy.
(C) is weaker or less massive than expected.
(D) does not gravitationally interact with Earth's core.
(E) repels xenon atoms.
Correct answer: (C)
Student responses
Sections 70178, 70186
(A) : 4 students
(B) : 0 students
(C) : 30 students
(D) : 3 students
(E) : 2 students
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