1. True or False: The Earth has the shape of a true sphere.
B. False
2. What is a great circle?
C. A circle whose center coincides with the center of the Earth
3. What does latitude measure?
D. The angular distance north and south of the equator
4. We measure latitude up to _____ degrees.
E. 90
5. Which of the following is true of meridians?
A. The arcs of great circles
6. True or False: the Tropic of Cancer is an example of a great circle.
B. False
7. True or False: The International Dateline is in the middle of a time zone.
A. True
8. If it is 12 noon at 15 degrees west longitude, what time is it at the prime meridian?
D. 1 PM
9. You are traveling east from Japan to San Diego. As you are just about to fly across the International Dateline (IDL), it is 8 AM on Wednesday. What time is it right after you cross the IDL?
E. 8 AM on Tuesday
10. If it is 4 PM at 105 degrees east longitude, what time is it at 60 degrees east longitude?
D. 1 PM