North Carolina Science Grade 8

Chapter 6: Freshwater at Earth's Surface

Section 1 Self-Check Quiz-Eng.

1.
What is runoff?
A)water that forms a glacier
B)water in the ocean
C)water that falls as snow
D)water that flows off the land after a rain
2.
Where does the water in rivers and streams mostly come from?
A)rain
B)the ocean
C)lakes
D)melting glaciers
3.
A meandering stream has __________.
A)few curves
B)a narrow stream bed
C)no known source
D)many curves
4.
Where is sediment deposited in a meandering stream?
A)outside the bend
B)inside the bend
C)in the center
D)at the mouth
5.
What separates drainage basins?
A)mountains
B)valleys
C)divides
D)streams
6.
Streams form __________ valleys.
A)U-shaped
B)W-shaped
C)V-shaped
D)X-shaped
7.
Sediment that is too large to be carried in streams is called a __________ load.
A)suspended
B)dissolved
C)bed
D)heavy
8.
Streams drop their loads when they lose __________.
A)heat
B)slope
C)water
D)energy
9.
Alluvial fans form on __________.
A)water
B)deltas
C)streambeds
D)land
10.
A stream channel has a maximum distribution of 100 m3/in2. What happens when 150 m3/in2 flows through the channel?
A)the stream channel expands
B)the stream floods
C)the stream dries up
D)the stream erodes to meet the flow
11.
Which is not a way to control flooding?
A)build levees
B)build dams
C)alter a stream channel
D)stop rivers
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