13
Equator
Tropic of Capricorn 23½º S
Tropic of Cancer 23½º N
20º N
0º
20º S
Antarctic
Circle 66½º S
Arctic Circle
66½º N
North Pole
90º N
South Pole
90º S
Southern Hemisphere
Northern Hemisphere Look at Figure 3. Can you see
the horizontal lines?
These lines are called lines of
latitude.
•Canyouseethelongestline?
•The longest line of latitude is
called the Equator.
On a globe or a map that shows the world as in Map 2,youwillndagridoflines
crossing one another at regular intervals. These lines are called lines of latitude and
lines of longitude.
On the Earth itself, there are no real lines. Lines of latitude and longitude are drawn
on the globe and maps to help us locate places on Earth.
0o
30oN
30o S
60o N
60o S
90o N
90o S
0o
30oN
30o S
60o N
60o S
90o N
90o S
0
o
30
o
E30
o
W 60
o
E60
o
W 90
o
E90
o
W 120
o
E120
o
W 150
o
E150
o
W 180
o
E180
o
W
0o 30oE30o W 60oE60o W 90oE90o W 120oE120o W 150oE150o W 180oE180oW
1.4 What are Lines of Latitude ?
1.3 working with maps
locating places on a world map
map 2 a map of the world with lines of latitude and longitude
fig. 3 globe with lines of latitude