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Sci8-Unit2-Top-Maps
8Sci-Unit2-PartB - Topographic Maps
Term | Definition |
---|---|
aerial images | images taken from a plane |
satellite images | images taken form a satellite |
geologic maps | maps that show rock types and ages |
topography | the shape and size of the land features on Earth's surface |
topographic map | map that shows the shape and size of the land features |
contour line | lines on a map that connect points of equal elevation |
relief | the distance between the highest and lowest elevations of a particular area |
contour interval | the difference in elevation between two contour lines |
index contour | every fifth line on a map, a thicker contour line that has the elevation listed |
map scale | shows the relationship between sizes and distances show on a map |
slope | measures the steepness from one point to another |
remote sensing | the process of gathering and analyzing information about an object without physical contact with the object |
GPS | Global Positioning system - a network of satellites orbiting earth |
GIS | Geographic Information system - a program used to view and make images and maps |