Astronomy quiz question: Kepler's laws

Astronomy 210 Quiz 2, spring semester 2013
Cuesta College, San Luis Obispo, CA

Kepler developed laws that:
(A) form the basis of the scientific process.
(B) explain the cause of ocean tides.
(C) describe the motion of planets around the sun.
(D) relate the motion of a body to the forces acting on it.

Correct answer: (C)

Based on Tycho Brahe's data, Johannes Kepler formulated three laws to describe different aspects of how planets move around the sun.

Section 30674
Exam code: quiz03Ne3v
(A) : 2 students
(B) : 1 student
(C) : 25 students
(D) : 3 students

Success level: 82% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.18