Form 8: Contour Intervals & Index Contours
Learn to work with contour intervals and read index contours on topographic maps. Practice identifying specific elevation markers across varying terrain.
Questions
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MultiChoice
What is a contour interval?
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MultiChoice
What is an index contour?
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MultiChoice
If index contours are 100 ft and 200 ft with 4 equal spaces between, interval is:
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MultiChoice
How often do index contours usually appear on topographic maps?
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MultiChoice
If interval is 10 meters and a line is 5 spaces above 100m, its elevation is:
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MultiChoice
Where can you find the contour interval specified on a map?
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MultiChoice
Which contour interval is best for mapping steep mountain ranges?
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MultiChoice
Which contour interval is best for mapping very flat plains?
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MultiChoice
Index contour is 500 ft, interval is 20 ft. The next contour line up is:
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MultiChoice
Index contour is 500 ft, interval is 20 ft. The next contour line down is:
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MultiChoice
Why are index contours drawn darker than other contour lines?
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MultiChoice
Two index lines are 500m and 600m. There are 5 spaces between them. Interval is: