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23 terms

Earth's Surface Ch 1 Key Terms

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topography
the surface features of a place or region. The topography of a region includes hills, valleys, streams, lakes, bridges, tunnels, and roads
elevation
Height above sea level
relief
the difference in elevation between the highest and lowest parts of an area
landform
feature of Earth's surface (examples: mountains, valley, hill, plain, mesa)
plain
area of level land, usually at low elevation and often covered with grasses with low relief
mountain
A landform with high elevation and high relief
mountain range
a series of connected mountains with the same general shape and structure
plateau
a large area of flat land elevated high above sea level
landform region
a large area of land where the topography is similar
map
a two-dimensional, or flat, representation of Earth's surface or a portion of it as seen from above
globe
a sphere on which a map (especially of the earth) is represented
scale
Used to compare distance on a map or globe to distance on Earth's surface.
symbol
On a map, pictures used by mapmakers to stand for features on Earth's surface.
key
shows which symbols are used on a map and what they represent
equator
an imaginary circle around the middle of the earth, halfway between the North Pole and the South Pole
hemisphere
one half of the earth
prime meridian
line of the global grid running from the North Pole to the South Pole through Greenwich, England
latitude
distance north or south of the Equator, measured in degrees
longitute
measures distance east and west from the Prime Meridian
Global Positioning System
a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver
topographic map
a map that shows the surface features of an area
contour line
A line on a topographic map that connects points of equal elevation
index contour
On a topographic map, a heavier contour line that is labeled with elevation of that contour line in round units