1. The old geocentric view of the universe held that the Earth was surrounded by a celestial sphere that held the stars: 1) never moved. 2) rotated from east to west each day 3) rotated from west to east each day. 4) took one year to rotate around the Earth

2. The revolution started by Copernicus that still dominates scientific thought could be described as having moved our view of mankind's place in the universe from: 1) the center to the edge. 2) a special place to an average place 3) an average place to a special place.

3. Which two fundamental (though incorrect) beliefs made Ptolemy's geocentric model very complicated and prevented it from adequately describing the movements of bodies in the Solar System? I) The Sun is at the center of the universe. II) All heavenly bodies move in combinations of perfect circles. III) The Earth is at the center of the universe. IV) The stars never move. 1) I and IV. 2) II only 3) III only. 4) II and III

4. Epicycles are needed in the geocentric model to explain why: a) planets seem to vary in brightness and speed over the year b) some planets are brighter than others. c) the Sun rises and sets. d) all planets cannot necessarily be seen on any given night.

5. According to the heliocentric model, the reason the planets always appear to be near the ecliptic is that: 1) the ecliptic is only 23.5 degrees from the celestial equator. 2) the planets revolve around the Sun in nearly the same plane 3) compared to the stars, the planets are near the Sun. 4) the planets come much nearer to us than does the Sun.