Earth Science Geology, the Environment, and the Universe

Section 2: Stream Development

Self-Check Quizzes-English

1
The renewed downcutting of a streambed is called __________.
A)erosion
B)rejuvenation
C)deposition
D)eutrophication
2
Look at the figure showing a map of the Souris River valley. How would you describe the shape of the valley?

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A)broad
B)narrow
C)steep
D)v-shaped
3
Water moves at the maximum velocity in the __________ of a straight stream and the __________ of a meander.
A)center, outside
B)side, outside
C)center, inside
D)bottom, bottom
4
A new stream is forming at an elevation high above its base level. Which of the following is true about the stream?
A)The stream gradient of is very shallow.
B)A V-shaped valley starts to form close to the source of the stream.
C)The speed of the water is constant along the stream gradient.
D)The force of gravity on the water is very low.
5
The portions of the stream that holds the moving water are called _____.
A)channels
B)valleys
C)meanders
D)banks
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