Topographic Profiles Question Preview (ID: 56730)


Use Your Knowledge Of Earth Science To Answer All Questions In The Data Set. You Will Need Your Earth Science Reference Tables And A Calculator To Answer Some Of The Questions. Good Luck. TEACHERS: click here for quick copy question ID numbers.

Which topographic map shows the steepest gradient between A and B?


a) A
b) B
c) C
d) D

A stream has a source at an elevation of 1,000. meters. It ends in a lake that has an elevation of 300. meters. If the lake is 200. kilometers away from the source, what is the average gradient of the stream?
a) 1.5 m/km
b) 3.5 m/km
c) 10. m/km
d) 15 m/km

A stream begins at an elevation of 2,000 meters and ends in a lake at an elevation of 400 meters. The lake is 320 kilometers from the stream's source. What is the average gradient of the stream?
a) 1.6 m/km
b) 2.0 m/km
c) 5.0 m/km
d) 8.0 m/km

What could be the elevation of point X?


a) 819 m
b) 826 m
c) 841 m
d) 850 m

What is the general direction of flow of Mill Creek?


a) east to west
b) west to east
c) north to south
d) south to north

The diagram below is a contour map. Between which two points is the slope of the hill steepest?


a) A and B
b) B and C
c) C and D
d) A and D

What is the contour interval of this map?


a) 10 ft
b) 15 ft
c) 20 ft
d) 25 ft

What is the approximate gradient, in meters per kilometer, of Jennifer Brook between points A and B?


a) 20 m/km
b) 40 m/km
c) 80 m/km
d) 220 m/km

Which direction is the stream mainly flowing within grid area H-l on map B?


a) northward
b) southward
c) eastward
d) westward

Which statement correctly describes one difference between these maps?


a) Map A has a greater relief (elevation change between high and low locations) than map B.
b) Map A represents a much larger surface area than map B.
c) Map A shows more contour lines than map B.
d) Map A generally shows gentler slopes than map B.

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