Latitude and Longitude

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Latitude and Longitude
CW
7th December 2005

• Lesson Aims
• To know what Latitude and Longitude are
• To understand how Latitude and Longitude works

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Latitude and Longitude
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Latitude and Longitude.

• Latitude lines
• run across the map
• measured in degrees
• north and south of the Equator
• they are parallel
• decrease in length towards the Poles

• Longitude lines
• run up and down the map
• measured in degrees
• east and west of the Greenwich Meridian
• they converge at the Poles
• they are all the same length

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Important Lines of Latitude and Longitude
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Time goes ahead
Time goes behind
West
0º
East
180º
North
Sun does not rise on 21 Dec
66½º
Arctic Circle
Tropic of Cancer
Sun overhead 21 June
23½º
Equator
0º
Sun overhead 21 December
23½º
Tropic of Capricorn
International Date Line
Greenwich Meridian
Antarctic Circle
Sun does not rise on 21 June
66½º
South