TEST REVIEW – DEVELOPING PERSPECTIVE – Chapters 1, 2 & 3

Chapter 1 – page 23:  # 1, 5, 6, 25, 33

1.     A geocentric model of the universe has Earth at the center of the universe.  Our modern view is that the Earth is part of a solar system, which is part of a galaxy, with no special position in the universe.

5.    The speed of light is 3.0 x 10⁸ m/s.  A light year is the distance light travels in one year, roughly 6 trillion miles, or 9 trillion km.

6.    Because light travels at a finite speed, taking time to get to us, the farther away we look, the more time that light has traveled.

25.  a

33. b

Chapter 2 – page 55: # 31, 35

31. a

35. a

Chapter 3 – page 88: # 12, 30, 31

          12.  See italicized text on page 73.

          30.  b

          31.  b