Topographical terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| topographic map | a map that shows the surface features of the earth, both natural (rivers/hills) and man-made (buildings/roads)
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| topography | surface features of the earth
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| elevation | height above sea level measured at mean sea level
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| mean sea level | point midway between the highest and lowest tide levels of the ocean. The elevation at ___________ is zero. Other elevations are measured above and below this.
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| contour lines | lines on a topographic map that show elevation. one __________ connects all points on the map that have the same elevation.
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| contour interval | the space between two contour lines. This space shows the difference in elevation between one line and the next.
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| relief | the difference in elevation between the highest and lowest points of the area being mapped.
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| USGS | United States Geographical Survey - Branch of the U.S. federal government responsible for making topographical maps for the entire United States
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| legend | a list of symbols describing items found on a map
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| direction | latitude and longitude is used to find this on a topological map.
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| index contours | the dark lines on a topographical map; usually every fifth contour line
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| depression contours | contour lines that form closed loops with straight lines drawn along the inside of the loop pointing toward the center. These loops indicate a sunken area such as a crater or low place.
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| steep slopes are indicated by... | contour lines that are very close together
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| contour lines that are far apart | relatively level land is indicated by these...
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| V-shaped | a valley is indicated by contour lines that are this...
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| Rivers | these always flow from areas of higher elevation to areas of lower elevation.
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| On a USGS topographical map, 1-inch equals.... | 2,000 ft.
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Created by:
bahginia
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