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15 Cards in this Set
- Front
- Back
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What color is used to indicate contour lines on a topographical map?
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The color brown is used to indicate contour lines.
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What feature on a topographic map tells you distance?
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The scale on the map tells you distance.
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What features would be indentified on a topographical map?
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Rivers, bridges and mountains are identified on topographical maps.
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What type of relief does a flat area have?
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A flat area has a small relief.
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What connects points of elevation?
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Contour lines connect points of elevation.
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In terms of a topographic map, what is the definition of relief?
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Relief - variations in elevation of a land surface
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In terms of a topographic map, what is the definition of legend?
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Legend - a summary of the symbols used on a map
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In terms of a topographic map, what is the definition of elevation?
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Elevation - the height of an object above sea level
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What is a topographic map?
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Topographic Map - a map that shows the surface features of the Earth
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What is the contour interval?
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Contour Interval - the difference in elevation between contour lines
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What is the index contour?
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Index Contour - a darker contour line, usually every fifth line
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Why do contour lines never cross?
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Since contour lines represent elevation, if two lines crossed that would mean two lines have the same elevation at that point and that contradicts that each line is a different elevation.
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What does it mean when contour lines are closer together?
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When contour lines are close together, it means the mountain is steeper (or harder) to climb.
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Why do all USGS topographic maps use the same legend?
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So people are not confused by the same symbol meaning something different on another map.
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How does a topographic map indicate the direction that a stream flows?
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Streams flow downhil, of in the direction that elevation decreases. The V's point toward the higher elevations.
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