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Questions and Answers
What do contour lines on a topographic map connect?
What is the main purpose of topographic maps?
What do the contour lines on a topographic map represent?
Who typically uses topographic maps?
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What is the function of contour lines on a topographic map?
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What does the pink color on the geologic map represent?
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What do solid colors typically indicate on a geologic map?
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What do black markings on a geologic map usually represent?
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What do reds and oranges usually represent on a geologic map in the United States?
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Where are the explanations for the colors and patterns on a geologic map usually found?
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What do contour lines on a topographic map represent?
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What do hachures on a topographic map indicate?
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What does the contour interval on a topographic map represent?
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What is the purpose of index contours on a topographic map?
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What do tightly packed contour lines on a topographic map indicate?
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Study Notes
Understanding Topographic Maps
- Contour lines on a topographic map represent the same height or altitude
- These lines are like circles on a whipped cream or on a rock, connecting and forming circles when viewed from above
- Most topographic maps show these lines in a light brown color
- Index contours on the map display the exact elevation of specific lines, while other lines represent different elevations
- Contour lines have specific rules: they cannot cross and form circles around hills or depressions
- The contour interval is the distance between any two side-by-side lines, representing the elevation change
- The closer the contour lines, the steeper the hill; a sheer cliff would have tightly packed lines, while a gentle slope would have more spread out lines
- Contour lines form concentric circles around hills and mountains as elevation increases
- Hachures on a map indicate depressions or holes, such as volcano craters or dips in a landscape
- Geologic maps contain similar features to topographic maps
- Topographic maps use index contours to label specific elevations and avoid clutter
- Hachures are used to represent depressions, such as volcanoes or dips in the landscape
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Description
Test your knowledge of topographic maps with this quiz. Learn about contour lines, index contours, contour intervals, hachures, and how to interpret elevation changes on a map. Understand how these maps represent the Earth's surface and its features.
