Unit 4 Test

Front

How many time zones are there in the world?

Back

24

Front

What are the coordinates for Location D?

Back

30°N, 90°W

Front

How many time zones are in the U.S. altogether?

Back

6

Front

What degree does the international dateline measure?

Back

180 degrees

Front

If an NFL game starts at 8 p.m. in our time zone, what time will it start in California?

Back

5 p.m.

Front

Define a time zone.

Back

A region of the globe that observes a uniform standard time for legal, commercial, and social purposes.

Front

What is the purpose of the international dateline?

Back

To serve as the line of demarcation between one calendar day and the next.

Front

Explain how time zones affect international travel.

Back

Travelers may need to adjust their watches to account for the difference in local time.

Front

What is the significance of 0 degrees longitude?

Back

It is known as the Prime Meridian, which divides the Eastern and Western Hemispheres.

Front

How do you calculate the time difference between two time zones?

Back

Subtract the time zone offsets from each other.