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30 Cards in this Set
- Front
- Back
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hemisphere
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Half of the globe.
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longitude
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Distance east or west of the prime meridian, measured in degrees.
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latitude
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Distance north or south of the equator, measured in degrees.
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meridian
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An imaginary line that passes through all points of the same longitude.
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parallel
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An imaginary line on the earth connecting points of equal latitude.
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cartography
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The making and study of maps and charts.
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equator
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An imaginary circle around the middle of the earth, halfway between the North Pole and the South Pole.
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Tropic of Cancer
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The paralled of latitude that is 23 degrees 30 feet north of the equator.
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Tropic of Capricorn
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The parallel of latitude that is 23 degrees 30 feet south of the equator.
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Arctic Circle
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The imaginary boundary of the north polar region, at 66 degrees 30 feet north latitude.
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Antarctic Circle
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The imaginary boundary of the south polar region, at 66 degrees 30 feet south latitude.
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poles
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Either end of the earth's axis, located at 90 degrees north latitude or 90 degrees south latitude.
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axis
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An imaginary rod on which the earth rotates.
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prime meridian
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The meridian of 0 degrees longitude that passes through Greenwich, England and from which other longitudes are measured east and west.
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international date line
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An imaginary line where each calendar day first begins, running mostly along 180 degrees longitude.
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time zones
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A series of 24 zones, each 15 degrees, determined approximately by meridians, within which the same standard time is used.
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west
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The direction from the international date line that the next day begins.
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daylight savings
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A system instituted by the U.S. to take advantage of the extra hours of daylight in the summer.
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globe
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A true representation of the shape of the earth.
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physical map
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A map that shows the natural features of the earth's surface.
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political map
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A map that shows boundaries of nations and other cultural features.
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topographic map
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A map that shows elevations as well as the positions of points, often in color and with contour lines.
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relief map
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A map that employs different color, in a definite order, to distinguish land at differing heights and water at varying depths.
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mercator projection map
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A cylindrical map projection in which the distortion of areas increases asit nears the poles, but is essential for marine navigation.
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legend
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A key telling what symbols are used on a map to represent various features.
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symbol
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A letter, picture, or sign that represents something on a map.
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scale
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The ratio (relationship) between a given distance on the earth's surface and the same distance as represented on a map.
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grid
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A system comprised of parallels and meridians for locating places on the earth's surface.
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contour lines
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Lines drawn on a map connecting all points that are the same altitude above the sea.
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isotherms
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Lines on a map that join all places having the same temperature. (iso) equal (therm) heat or temperature, type of contour line
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