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DrDaveEarthSciCh2

Earth Science Chapter 2

QuestionAnswer
model a way of representing the properties of an object or system
sphere a round object in 3-D space, like an orange
atmosphere layer of gases that surround the earth
hydrosphere the layer of liquid water on the surface of the earth
lithosphere layer of rock that forms the outer shell of the surface of the earth, like the rind of a orange
Earth's interior the region extending from the lithospere to the center of the earth, like the delicious part of the orange
field region of space that has a meaurable value at every point
coordinate system system of measurement used to locate points on a 2-D surface
latitude-longitude the angular coordinate coordinate system for the earth's surface
latitude the angular distance north or south of the equator
Polaris is at 0 degrees altitude at the equator, 90 degrees altitude at the North Pole, which is the same number of degrees as the latitude
longitude lines running from pole to pole which are the widest at the equator and touching at the poles
prime meridian the half-circle of 0 degrees longitude in Greenwich, England (the other half circle on the other side of the earth is 180 degrees!)
longitude the angular distance east or west of the prime meridian
lat_long direction identifier uses N S E W to make the choice of direction for the number
hour time it takes for the earth to turn 15 degrees
isolines points of equal value that are connected to form a line on a map
isobars lines of equal pressure
isotherms lines of equal temperature
contours line of equal elevation
elevation height of a point above sea level
gradient change in value divided by change in distance
topographic map contour map
Created by: globalscience
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