Topographic Maps Chapter 2
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axis
imaginary line around which the earth rotates.
cardinal
direction
north, south, east, west
3.
compass
needle always points to the magnetic North Pole
4.
compass rose
shows relation to true north on a map
5.
contour interval
difference in elevation between contour lines;
lines close together means a steep slope;
lines far apart mean a gentle slope
6.
contour line
shows elevation on a map; forms a "V" at a valley.
7.
distortion
happens when you move from a curved surface (globe) to a flat surface (map)
8.
elevation
the height of something above sea level
9.
GPS
a way to send energy from the satellite to a place on earth
10.
index contour
dark contour line that is usually every fifth line and is labeled by elevation
11.
latitude
distance north or south of the equator;
lines are parallel to the equator.
12.
longitude
the distance in degree east or west of the prime meridian.
13.
map
model of earths surface
14.
map information
maps usually have a legend, title and date
15.
reference point
a place on the earths surface to find direction and location
16.
relief
distances in elevation on a land surface; flat areas have small relief: higher mountains have a steeper slope and
larger relief
17.
scale
shows relationship between the distance on the earths surface and the distance on a map
18.
topographic map
shows the surface features of the earth
1.
2.