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26 Cards in this Set
- Front
- Back
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topography
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The shape of the land determined by elevation, relief, and landforms.
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elevation
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The height above sea level of a point on Earth's surface.
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relief
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The difference in elevation between the highest and lowest parts of an area.
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landform
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A feature of topography, like a hill or a valley, formed by the processes that shape Earth's surface.
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plain
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A landform made up of nearly flat or gently rolling land with LOW relief.
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mountain
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A landform with high elevation and HIGH relief.
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mountain range
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A group of mountains that are closely related in shape, structure, and age.
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plateau
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A landform that has high elevation and a more or less level surface.
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map
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A flat model of all or part of Earth's surface, as seen from above.
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globe
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A sphere that represents Earth's entire surface.
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scale
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Relates distance on a map to a distance on Earth's surface, often as a RATIO. Ex. 1 inch = 50 miles.
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symbols
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Shapes and pictures that stand for features on Earth's surface.
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key
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(Legend) A list of all the symbols used on a map with an explanation of their meaning.
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degree
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A unit used to measure distances around a circle; 1/360 of a full circle.
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equator
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An imaginary line that circles Earth halfway between the North and South poles.
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hemisphere
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One half of the sphere that makes up Earth's surface.
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prime meridian
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An imaginary line that makes a half circle FROM the North Pole to the South Pole.
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latitude
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Distance, in degrees, north or south of the equator - defined by the angle it makes between the equator and the center of Earth.
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longitude
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Distance in degrees EAST or WEST of the prime meridian.
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satellite images
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Pictures of Earth's surface taken by mapping satellites that are orbiting Earth.
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pixels
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Thousands of tiny dots that make up satellite images; each one contains data on the color and brightness of a small part of Earth's surface.
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Global Positioning System (GPS)
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A method of finding latitude, longitude, and elevation of points on Earth's surface using a network of satellites.
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topographic map
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A map showing the surface features of an area.
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contour line
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On a map, connects points of equal elevation.
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contour interval
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On a map, the CHANGE in elevation from one contour line to the next.
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index contours
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On a map, a heavier contour line that is labeled with elevation of that contour line, in round units.
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