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Earth's Surface Ch 1

Vocabulary from Chapter 1: Views of Earth Today

QuestionAnswer
system an organized group of parts that work together to form a whole.
atmosphere the mixture of gases that surrounds and protects Earth.
hydrosphere made up of all the water on Earth in oceans, lakes, glaciers, rivers and streams and underground.
biosphere includes all life on Earth, in the air, on the land, and in the waters.
geosphere includes all the features on Earth's surface-- the continents, islands, sea floor-- and everything below the surface.
relief map a map that shows how high or low each feature is on Earth.
map scale relates distances on a map to actual distances on Earth's surface.
map legend also called a key, this is a chart that explains the meaning of each symbol used on a map.
equator the line that divides Earth into northern and southern hemispheres.
latitude a distance in degrees north or south of the equator.
prime meridian an imaginary line that stretches from the North Pole through Greenwich, England, to the South Pole.
longitude a distance in degrees east or west of the prime meridian.
projection a way of representing Earth's curved surface on a flat map.
topography the shape, or features, of the land.
contour lines the wiggly lines on a topographic map that show an area's elevation, slope and relief.
elevation how high above sea level an area is.
slope how steep an area or landform is.
relief the difference between an area's high and low points.
contour interval the difference in elevation from one contour line to the next.
remote sensing the use of scientific equipment to gather information about something from a distance.
sensor a mechanical or electrical device that receives and responds to a signal.
false-color image when Earth's natural colors are replaced with artificial ones to highlight special features.
Geographic Information System (GIS) computer systems that can store and arrange geographic data and display the data in many different types of maps.
Created by: misskazantzis
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