Form 12: Longitude and Time Zones

Questions

1. MultiChoice

   How many standard time zones is the Earth divided into?

2. MultiChoice

   Approximately how many degrees of longitude correspond to a one-hour difference in solar time?

3. MultiChoice

   Why does the Earth have 24 time zones?

4. MultiChoice

   As you travel East across time zones, what do you usually do with your watch?

5. MultiChoice

   As you travel West across time zones, time becomes:

6. MultiChoice

   What happens when you cross the International Date Line traveling West?

7. MultiChoice

   Where is the Greenwich Mean Time (GMT) baseline located?

8. MultiChoice

   If it is 12:00 PM (noon) at the Prime Meridian, what time is it at 15 degrees East longitude?

9. MultiChoice

   If it is 12:00 PM (noon) at the Prime Meridian, what time is it at 15 degrees West longitude?

10. MultiChoice

    How many degrees wide is a standard time zone on average?

11. MultiChoice

    Why do some time zone lines bend rather than follow straight longitude lines?

12. MultiChoice

    If London (0 degrees) is at 3:00 PM, what time is it at 30 degrees East longitude?