Discuss each question with your team. Be prepared to explain the reasoning behind your team's answers after the quiz.

1. How did people know their location on Earth before GPS?
2. Compared to an observer in Iowa, an observer in New Zealand would see an upside-down moon.
   1. True
   2. False
3. Which of the following is closest to the angular size of the full Moon?
   • 1 deg
   • 5 deg
   • 10 deg
   • 15 deg
   • 25 deg
4. Why are the planets Mercury and Venus never up at midnight in Iowa City?