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QuestionAnswer
Topography The shape of the land determined by elevation, relief, and landforms.
Elevation Height above sea level
Relief The difference in elevation between the highest and lowest parts of an area.
Landform A feature of topography formed by the processes that shape Earth's surface
Plain A landform made up of flat or gently rolling land with low relief.
Mountain A landform with high elevation and high relief.
Mountain Range A group of mountains that are closely related in shape, structure, area, and age.
Plateau A large landform that has high elevation and a more or less level surface.
Landform Region A large area of land where the topography is made up mainly of one type of landform.
Globe A sphere that represents Earth's entire surface.
Map A flat model of all or part of Earth's surface as seen from above
Map projection A framework of lines that helps to transfer points of Earth's surface onto flat map.
Symbol On a map, a picture used by mapmakers to stand for features on Earth's surface.
Key A list of the symbols used on a map and their meanings.
Scale Used to relate distance on a map or globe to distance on Earth's surface.
Degree A unit used to measure distances around a circle. One degree equals 1/360 of a full circle.
Equator An imaginary line that circles Earth halfway between the North and South poles.
Hemisphere One half of the sphere that makes up Earth's surface.
Prime Merdian The line that makes a half circle from the North Pole to the South Pole and that passes through Greenwich, England.
Latitude The distance in degrees north or south of the equator.
Longitude The distance in degrees east or west of the prime merdian.
Surveying The process of gathering data for a map by using instruments and the principles of geometry to determine distance and evevations
Digitizing Converting information to numbers for use by a computer
Pixel One bit of a digitized image, often appearing as a small square or dot
Aerial Photograph A photograph taken by cameras mounted in airplanes.
Satellite image A picture of the land surface based on computer data collected from satellites
Global Positioning System A navigation system that uses satellite signals to locate a radio receiver on Earth's surface
Geographic Information System A system of computer hardware and software used to produce interactive maps.
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
Contour Interval The difference in elevation from one contour line to the next
Index Contour On a topographic map, a heavier contour line that is labeled with elevation of that contour line.
Created by: bbadalamenti002
 

 



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