Parts of a Map - PowerPoint PPT Presentation

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Parts of a Map

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Title: Parts of a Map Author: Arram Dreyer Last modified by: 141645 Created Date: 8/29/2006 2:33:56 AM Document presentation format: On-screen Show – PowerPoint PPT presentation

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Title: Parts of a Map


1
Parts of a Map
2
Parts of a Map
  • Most maps have the following elements, which are
    necessary to read and understand them

3
Title
  • The title explains the subject of the map and
    gives you an idea of what information the map
    conveys

4
TITLE
5
Compass Rose
  • The compass rose shows you directions on a map
  • Cardinal directions are north, south, east, and
    west
  • Intermediate directions are northeast, northwest,
    southwest, and southeast

6
Compass Rose
7
TITLE
Compass Rose
8
Labels
  • Labels are words or phrases that explain features
    on the map

9
TITLE
Compass Rose
Labels
10
Legend/Key
  • A legend or key lists and explains the symbols
    and use of color on the map

11
TITLE
Compass Rose
Labels
Legends or Key
12
Lines of Latitude
  • These are imaginary lines that measure distance
    north or south of the equator and run from east
    to west on the map.
  • These lines are also called parallels because
    they do not touch.

13
Lines of Latitude
  • Some important lines of latitude are
  • The Equator - 0
  • The Tropic of Cancer - 23º 26 N
  • The Tropic of Capricorn - 23º 26 S
  • The Arctic Circle - 66 33 N
  • The Antarctic Circle - 66 33 S

14
Lines of Longitude
  • These are imaginary lines that measure distance
    east or west of the prime meridian and run from
    north to south on the map. These lines connect
    at the north and south poles. These lines are
    also called meridians.

15
Absolute and Relative Location
  • Latitude and longitude lines are used to find
    absolute location. This is an exact point on the
    earth.
  • Relative location is NOT an exact location.
    People use direction and distance to give a
    general idea of where something is.

16
Scale
  • Scale shows the ratio between a unit of length on
    the map and a unit of distance on the earth

17
Scale
  • Ratio Scale - Shows the distance on the map
    compared to real earth measurement (1
    30,000,000, 1 500 miles)
  • Bar Scale - Shows the ratio of distance on the
    map to distance on the earth

18
Symbols
  • Symbols represent items such as capital cities,
    economic activities, or natural resources.

19
Parts of a Map
20
Colors
  • Colors represent a variety of information on a
    map. The map legend indicates what the colors
    mean.

21
Colors
  • Here are some common colors
  • Blue Water
  • Brown Land
  • Green Forest

22
Contour Maps
  • Contour lines are a way of representing elevation
    on a map. Lines that are closer together mean
    the elevation is steeper.

23
Contour Maps
24
Contour Maps
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