CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
A longitude difference of 30° corresponds to a time difference of:
A. 2 hours
B. 1 hour
C. 30 minutes
D. 4 hours
Correct Answer: A
At 15° per hour, 30° corresponds to 2 hours.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
A longitude difference of 15° corresponds to a time difference of:
A. 30 minutes
B. 1 hour
C. 4 hours
D. 15 minutes
Correct Answer: B
Earth rotates 15° per hour.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
A difference of 1° in longitude corresponds to approximately how much time?
A. 15 minutes
B. 1 minute
C. 60 minutes
D. 4 minutes
Correct Answer: D
24 hours = 1440 minutes; 1440/360 = 4 minutes per degree.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Earth rotates approximately how many degrees of longitude per hour?
A. 15°
B. 24°
C. 30°
D. 4°
Correct Answer: A
360° divided by 24 hours equals 15° per hour.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Earth rotates through 360° in approximately:
A. 12 hours
B. 48 hours
C. 365 days
D. 24 hours
Correct Answer: D
Earth completes one rotation relative to the Sun in about 24 hours.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Places on the same meridian have approximately the same:
A. Climate
B. Local solar time
C. Length of day in all seasons
D. Latitude
Correct Answer: B
Local solar time primarily depends on longitude, so places on one meridian share it approximately.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Local solar noon occurs when the Sun is approximately:
A. Rising in the east
B. Directly over the North Pole
C. Highest in the sky for that local meridian
D. Setting in the west
Correct Answer: C
Local solar noon is defined by the Sun crossing the local meridian and reaching its daily maximum altitude.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Which longitude line is also called the Greenwich Meridian?
A. 180° longitude
B. 90° E
C. 90° W
D. 0° longitude
Correct Answer: D
The Greenwich Meridian is the Prime Meridian at 0° longitude.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Two opposite meridians together form a:
A. Parallel
B. Great circle
C. Small circle
D. Rhumb line only
Correct Answer: B
A meridian and its antimeridian form a complete great circle around Earth.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
A meridian is best described as:
A. Half of a great circle joining the poles
B. A line parallel to the Equator
C. A complete small circle
D. A contour line
Correct Answer: A
Each single meridian runs from pole to pole; paired with the opposite meridian it forms a great circle.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Which hemisphere is defined by longitudes from 0° to 180° W?
A. Western Hemisphere
B. Eastern Hemisphere
C. Southern Hemisphere
D. Northern Hemisphere
Correct Answer: A
West longitudes from Greenwich to 180° lie in the Western Hemisphere.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Which hemisphere is defined by longitudes from 0° to 180° E?
A. Southern Hemisphere
B. Eastern Hemisphere
C. Western Hemisphere
D. Northern Hemisphere
Correct Answer: B
East longitudes from Greenwich to 180° lie in the Eastern Hemisphere.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
The principal purpose of the International Date Line is to:
A. Measure latitude
B. Set the Equator
C. Provide a boundary for changing the calendar date
D. Define seasons
Correct Answer: C
The Date Line resolves the date change needed after traveling around Earth.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
When crossing the International Date Line eastward, a traveler generally:
A. Subtracts one calendar day
B. Adds one day
C. Adds 12 hours
D. Makes no date change
Correct Answer: A
Crossing eastward generally moves the calendar back by one day.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
When crossing the International Date Line westward, a traveler generally:
A. Subtracts one day
B. Makes no date change
C. Adds one hour
D. Adds one calendar day
Correct Answer: D
Crossing westward from the Americas toward Asia generally advances the calendar by one day.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
Why does the International Date Line deviate from a perfectly straight 180° line?
A. Because longitude cannot exceed 90°
B. To follow the Equator
C. To avoid splitting some countries and island groups into different calendar dates
D. To match ocean currents
Correct Answer: C
Political and practical considerations cause the Date Line to zigzag.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
The International Date Line generally follows:
A. The 180° meridian
B. The Prime Meridian
C. The Tropic of Cancer
D. The Equator
Correct Answer: A
The International Date Line roughly follows 180° longitude but deviates around territories and island groups.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
180° E and 180° W refer to:
A. The same meridian
B. Two opposite meridians
C. Two parallels
D. Two meridians 360° apart
Correct Answer: A
East and west longitudes meet at the 180° meridian.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
The meridian approximately opposite the Prime Meridian is:
A. 23½° E
B. 90° W
C. 180° longitude
D. 90° E
Correct Answer: C
A meridian 180° away from 0° lies on the opposite side of Earth.
CSS - PMS - CCE - PCS - Geography
Latitude and Longitude
The Prime Meridian passes through which historic observatory area?
A. New York
B. Greenwich, London
C. Paris Observatory
D. Rome
Correct Answer: B
The internationally adopted 0° meridian is associated with Greenwich in London.