DGQ Vocabulary

Cartographer is a person whose profession is

drawing maps.

Maps General Purpose Maps- Show a

wide range of general information.

Physical Map

Physical Map indicates the location of landforms

like deserts, mountains and plains.

Political Map

Political Map are designed to show

governmental boundaries of countries, states, and counties, the location of major cities, and bodies of water.

shows a raised 3 dimensional representation of elevated landforms.

Contour Line or Topography Map

Contour Line or Topography Map

Special Purpose Maps Special Purpose Maps- maps that

emphasize a single idea about an area.

Vegetation Map

Population Density Map

Distribution Map shows how something is spread

throughout an area.

Map Projections

Globe

Globe The most accurate representation

of the earth's surface is found on a Globe.

Mercator Projection The Mercator projection is a cylindrical

map projection. It became the standard map projection

for nautical purposes because of its ability to represent lines of constant true bearing or true course

It has the correct shape of the continents.

Azimuthal or Polar Projection An Azimuthal projection shows the earth

centered in such a way that a straight line coming from the center to any other point represents the shortest distance.

Used most with air navigation

Great Circle Route Great circle is the shortest possible

distance between any two places on the earth’s surface.

Ships and planes usually follow the curve of the great circle.

Robinson Projection Mostly Used Less distortion than the Mercator

Projection. The Robinson projection is a map

projection popularly used since the 1960s to show the entire world at once. It was specifically created in an attempt to find the good compromise to the problem of readily showing the whole globe as a flat image.

Charts and Graphs

Bar Graph

Activity Number

Visit W/Friends 175

Talk on Phone 168

Play Sports 120

Earn Money 120

Use Computers 65

Favorite Student After School Activity

Line Graph

Circle Graph

Pictograph

Diagrams