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What you use to read a map

Basic Map Components

Legend/Key:

Indicates what the

symbols represent

The Global Grid

  • Latitude Lines
  • Called parallels because the run parallel to the EQUATOR
  • Run from EAST to WEST
  • 0`

Geographic Tools

CARTOGRAPHER

SONAR

SATELLITES

Geography uses scientific approaches to examine and understand where things are located.

The Global Grid

SOUND

NAVIGATION

& RANGING

it analyzes sounds

to determine distance

and direction

Remote sensing technology

Scientist can compare older

and more recent images to

identify changing in land use,

vegetation , and urban growth.

  • The Tropics
  • Tropic of Cancer is at 23 ½ ` N
  • Tropic of Capricorn is at 23 ½ ` S

The Global Grid

A person who

makes maps

  • Lines of Longitude
  • Called Meridians because of the PRIME MERIDIAN
  • Run from Pole to Pole (North to South)
  • 0`

Global

Positioning

System

satellites broadcast extremely accuate time meausrements, and it is used to provide information about location.

GIS

Geographic

Information

System

uses computer technology to collect, manipulate, analyze, and display data about the earth's surface in order to solve geographic problems.

Mercator Projection

  • Most distorted map.
  • Spreads the image near the

poles in order to flatten the image.

  • Images near the poles seem

larger than they really are.

Great Circle Route Map

(Globe):

Provides accurate information

about distances and

directions between

two points.

Robinson Projection

  • Shape and size on a map

are both distorted

  • Areas around the pole

appear flatter than they really are.

Compass Rose:

Shows you the

Cardinal directions

Legend/Key:

Indicates what the

symbols represent.

Scale:

Gives the size of the area

In proportion to real life

Types of Maps

Political Map

Show political features, including state

and national boundaries,

capitals, and big cities.

Physical Map:

Depict many kinds of physical features, including mountains, rivers & lakes

Special-Purpose map

Display specific data or information.

Ex. Economic Activities and

Resources Map

Ex. Climate Maps

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