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16 Cards in this Set
- Front
- Back
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equator
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zero degrees latitude; imaginary line that circles Earth halfway between the north and south poles
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Global Positioning System
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a satellite-based, radio navigation system that allows users to determine their exact position on Earth; used for navigation by airplanes and ships; position, elevation, direction |
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prime meridian
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zero degrees longitude
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map legend
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explain what the symbols on a map represent
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north pole
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90 degrees north
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minutes
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each degree of latitude or longitude is divided into 60 smaller units
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longitude lines
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measures distances east and west of the prime meridian; they converge at the poles |
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24
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the number of times zones on Earth
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contour interval
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difference in elevation between two side-by-side contour lines
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map scale
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show distances on maps
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latitude lines
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measure distances north and south of the equator |
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contour lines
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representing areas of equal elevation
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lose a day
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when one travels west across the International Date Line
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remote sensing
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a way of collecting information about Earth from a distance
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topographic map
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shows the changes in elevation of Earth's surface |
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International Date Line
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the transition line for calendar days
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