Maps and Map
Projections
Mr. Gritman’s Geography Class
Maps
► Globes
 Most accurate map someone can have.
► Physical
Maps
 Displays physical features of a region.
► Political
Maps
 Displays political boundaries and cities.
► Physical
/ Political Maps
 Combination map
► Special
Purpose Maps
 Maps that display specific or “special” information.
Physical Maps
Political Maps
Political / Physical
Special Purpose Maps
Map Terms
► Compass
Rose
 Displays the Directions
► Legend
or Key
 Explains the symbols on
the map.
► Scale
Bar
 Demonstrates distance
and scale.
Map Projections
► It
is not useful to use a globe for travel or
reference…therefore:
 The surface of the Globe is removed and
stretched out on a flat surface so it can be
used.
 Each of them have advantages and
disadvantages.
Mercator Projection
Goode’s Interrupted Projection
Winkle Triple Projection
Robinson Projection
Questions
► Why
would someone want to use a Mercator
Projection Map?
► Why would someone use a Goode’s
Interrupted Projection Map?
► Why would someone want to use a Winkle
Triple Projection Map?