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8th grade chapter 1:3
Representing Earth's Surface
12
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8th Grade
07/26/2006

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Term
latitude
Definition
number of degrees by which a place is NORTH OR SOUTH OF THE EQUATOR

-measured in parallels or lines of lattitude
-measured from 0 equator to 90 poles
Term
longitude
Definition
number of degrees by which a place is EAST OR WEST OF THE PRIME MERIDIAN
-run from the North Pole to South Pole-measured from 0 degrees (prime meridian) to 180 degrees east longitude and 180 degrees west longitude(International Date Line)
Term
Prime Meridian
Definition
-0 degrees longitude
-starts at north pole , pases through Greenwich,England ends at the south pole
Term
International Date Line
Definition
- located at the 180 degree meridian
-transition line for calendar days - going west advance one day, going east move back one day
Term
mercator projection
Definition
shows correct shapes of continents but distorts their area
Term
Robinson projection
Definition
shows accurate continents shapes and land areas
Term
Conic projection
Definition
projection that shows small areas correctly
Term
Topographic map
Definition
shows the highs and lows of the Earth's surface ; shows elevation in a 3
dimensional surface
Term
Contour lines
Definition
line on a map connecting points of the same surface (height of land)
Term
index contours
Definition
are contour lines marked with their elevation (every 5th bold line)
Term
Contour interval
Definition
difference in elevation between one contour line and the next
Term
scale
Definition
used to represent a certain distance on a map to a certain distance on the Earth's surface
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