Multiple Choice (Chapter 14)
1. As you travel downstream which of the following DOES NOT increase?
a. Discharge
b. Turbulence and rapids
c. Channel depth
d. Channel width
2. Meander formation:
a. Is generally associated with low gradient streams on floodplains
b. Commonly occurs with rapids and falls
c. Is only associated with a dendritic stream pattern
d. Is confined to folded regions
3. All of the following tend to cause rapid runoff except:
a. Concentrated rainfall
b. Impervious rocks c. Steep slopes
d. Heavy vegetation
4. What is saltation?
a. The skipping or bouncing motion of particles transported by wind and running water
b. The amount of dissolved materials carried by a stream
c. The amount of suspended particles carried by a stream
d. The fine materials carried in dust storms
5. The size of the particles that can be picked up and carried by running water is controlled by:
a. Volume of flow
b. Consistency of flow
c. Velocity of flow d. Duration of flow
6. Gravel and pebbles would most likely be transported by a river:
a. As bed load
b. As discharge
c. In suspension
d. In solution
7. Earth materials that have been transported by running water are called:
a. Loess
b. Till
c. Alluvium
d. Eolian
8. The depositional landform produced when a stream or river flows into an ocean is a(n):
a. Floodplain
b. Delta
c. Alluvial fan
d. Estuary
9. Sediment transported by most rivers tends to become __________ as it is carried downstream.
a. Coarser
b. Finer
c. Less sorted
d. More angular
10. Which of the following great river systems has the greatest discharge?
a. Mississippi-Missouri
b. Nile
c. Yangtze
d. Amazon
11. A stream has a cross-section area of 300 square meters and flows at a rate of 5.0 meters per sec.
What is the discharge of this stream?
a. 1500 cubic meters/sec b. 60 cubic meters/sec
c. 750 cubic meters/sec d. 300 square meters
Match
a. sea level
b. Runoff
c. base level d. radial
12. The surface flow of all precipitation is called __________.
13. The ultimate base level for most stream gradation is __________.
14. The stream drainage pattern on most volcanoes is called __________.
1. b
2. a
3. d
4. a
5. c
6. a
7. c
8. b
9. b
10.d
11.a
12.b
13.a
14.d