Download Using Thematic Maps

READING MAP GRIDS:
LATITUDE/LONGITUDE
&
TYPES OF MAPS
GRIDLINES: LONGITUDE/LATITUDE
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TROPIC OF CANCER = _____
TROPIC OF CAPRICORN =
____
ARCTIC CIRCLE = _______
ANTARCTIC CIRCLE = ______
NORTH POLE = ______
SOUTH POLE = ______
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ON Your Packet notes:
Draw the CARDINAL DIRECTIONS (a “Compass Rose”)
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Types of maps & info on maps:
 physical maps: show landforms of an
area
 Use colors to show relief—

difference levels in land elevations
-green usually = lo elevations
-orange or brown = hi elevations
 Topographical: Presents horizontal &
vertical positions of features
represented

-shows
-Uses contour relief in measurable
form.lines (isolines) to show the shape &
elevation of an area
(shape of the Earth’s surface)
-Lines close together indicate steep terrain
-Lines far apart indicate flat terrain. EX:?
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TYPES OF MAPS
Political maps: show places divided by
states (aka “countries”), cities,
counties, etc.

-usually show rivers, major lakes,
oceans, etc., elevations….capital cities
show w/ star
Economic maps: type of thematic
map that shows natural resources
in areas and/or ways that people
make a living; legends may show
mines, factories, power plants, etc.
NOTE: the economy
of a country
is the way the
money is earned,
used, spent,
controlled, issued,
invested, etc.
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Thematic Maps: Provides info on a
single topic (population, rainfall…)
 Using Thematic Maps: shows
comparison of statistical data, like
population or income
-can view facts about places by
comparing the patterns of shaded
areas or colors on the map.
Chloropleth maps
(4-H/Ohio .. Afr.savannahs)
(Gk.: for “place” + “value or magnitude”):
Thematic map w/ areas colored, shaded,
dotted, or hatched so have
darker/lighter areas in proportion to
density of whatever aspect U R are
looking
-show amt. of some “phenomenon”
(some event or thing which occurs) like
ratios, %, etc., using these colors
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Cartogram here shows
GDP (gross domestic
product) thru world
Cartogram: Shows
some quantity or
value by shape or
size of a region
Reference Maps- Tool to
view boundaries of
census 
geographies, cities,
counties,
cities/towns, urban
areas,congressional
districts, census
tracts, census blocks,
& more.
 Note: some of these
terms overlap
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Map projections:
See Appendices Pp. 503 – 507
Cylindrical, conic, & planar
Equal area projections
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WORLD
GEOGRAPHIC
GRID
The world
geographic grid
consists of
meridians of
longitude &
parallels of
latitude. The prime
meridian (0º)
passes thru
Greenwich, England.
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Which is a(n)..
A
..cartogram?
..chloropleth map?
..economic map?
B
C
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Above:
3 basic
shapes of
maps
3 circular
maps are
all
Azimuthal
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