Earth's Surface Ch 1 Key Terms
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Created by:
woodchuck97 on November 2, 2010
Subjects:
earth science, earth science 8th grade
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23 terms
Terms | Definitions |
|---|---|
 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 |
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