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DID YOU KNOW
The word "map" comes from the
Medieval Latin Mappa mundi,
wherein mappa meant napkin or cloth
and mundi the world. Thus, "map"
became the shortened term referring to
a two-dimensional representation of
the surface of the world.
Maps are mostly used to depict
Geography but they can also be used
to represent any space, real or fictional
without regard to context or scale,
such as in Brain
mapping, DNA mapping or Computer
Network topology mapping.
But here today we will look at
geographical maps. Geographical
maps of territory have a very long
tradition and exist from ancient times.
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ELEMENTS ON A MAP
Every map has five important
elements:
Title: Tells you the purpose of the
map.
Legend/Key: Shows you what
symbols on the map mean.
Compass Rose: Is a directional arrow
that shows cardinal and sometimes
intermediate directions on a map.
Inset Map: This shows a “larger” area
of land around the map.
Scale: Shows the distance between
objects on the map. Some maps which
do not contain scale has “Map not to
scale” written on them.
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WHY SO MANY DIFFERENT MAPS?
Different Cartographers (map-makers)
use different map projections.
Another reason for this difference is that
maps can be created to represent
different features of the same places.
One map of Europe might show only its
major cities and state capitals.
Another might depict the Continent’s
different vegetation zones.
Yet another map might show its physical
characteristics.
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There are 8 Different Types of
Maps:
1. Political Map
A political map shows the state
and national boundaries of a place.
A political map does not have any
topographic features.
It also shows the location of cities,
with respect to each other.
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2. Physical Map
A physical map is one which shows
the physical features of a place or
country, like rivers, mountains,
forests and lakes.
The physical features are usually
shown in different colours.
Rivers and lakes are shown in blue.
Places of low elevation are shown
in dark green and as the elevation
increases, the color becomes light
green and eventually orange.
Mountains are shown in brown.
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3. Topographic Map
Topographic maps are similar to
physical maps, which show the
physical features of an area.
In topographic maps, differences
in elevation and changes in
landscape are shown with the help
of contour lines and not colours.
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4. Climatic Map
A climatic map shows the
information about the climate of
different areas. It shows areas
which receive:
More rainfall
Snow or
Have dry weather
Humid weather
Temperate weather
It uses colours to depict areas with
different climate.
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5. Economic/Resource Map
Economic/Resource mapsshow
the different economic activity
(crops grown or minerals found
i.e. natural resources) in that
region.
The map could be on anything
such as agriculture,
manufacturing, mining, and other
economic activities of a region.
Shading or colour indicates the
land location devoted to the
particular activity.
Cartographers use symbols to
show the location of natural
resources.
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6. Road Map
Road map is the most widely used
map which shows different roads,
highways or railways present in
the area.
It is a very detailed map and is
generally used for direction
purposes.
Road maps are usually made
individually (of a single city) i.e.
city-wise.
There are road maps present for
an entire country too, but they
cannot be made very detailed.
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7. Maps for location on Earth
On many maps you see
crisscrossing lines with numbers
written besides them.
The lines running east to west
around the Earth are called lines of
Latitude. They measure degrees
north and south of the Equator.
The lines running north to south
around the Earth are called lines of
Longitude. They measure degrees
east and west of the Prime
Meridian.
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8. Maps for location on Earth
(Contd.)
These lines and numbers form a
grid system that allows us to
describe the absolute, or exact
location of any place on Earth.
Together, lines of latitude and
longitude form a grid system called
the Coordinate system.
When you state the coordinates of a
place on the Earth you are giving its
absolute location.