GPS and Coordinates

Greenwich Mean Time or Meridian Time has been a time standard since _______

• 1488

• 1848

• 1884

• 1484

Greenwich was chosen because the Prime Meridian (the line of ___° Longitude) runs through Greenwich.

• 0

• 60

• 120

• 180

The Greenwich Meridian (Prime Meridian or Longitude Zero degrees) marks the starting point of every time zone in _________

• the north

• the west

• the east

• the world

Greenwich was a royal park and palace on a hill to the south of the River ________ east of London, in the United Kingdom

• Thames

• Nile

• Avon

• Narun

GMT is _____________. Every 15° longitude represents one hour's difference in time

• Greenwich Meridian Time

• Greenwich Mean Time

• General Mean Time

• Greenwich Median Time

Although GMT has been replaced by _________ (UTC) it is still widely regarded as the correct time for every international time zone.

• atomic time

• United Time

• Unified Time Centered

• Coordinated Universal Time

A prime meridian is the meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be ____°.

• 0

• 60

• 90

• 180

Together, a prime meridian and its anti-meridian (the _____th meridian in a 360°-system) form a great circle.

• 30

• 60

• 90

• 180

Mapmakers use the process of map projection to convert lines on a round surface to a flat one. There are certain characteristics of the map that will be distorted, such as shape, _______, distance and direction.

• size

• height

• width

• depth

Longitude line are going ________

• horizontal

• vertical

• east to west

• north to south