WorksheetsES | Stream Erosion and Deposition
Total questions: 9
Worksheet time: 15mins
Name
Class
Date
1.
What scenario would you expect to find the most erosion due to runoff?
a)
A shallow slope covered with grass
b)
A shallow, bare slope
c)
A steep slope covered with evergreen trees
d)
A steep, bare slope
2.
Which of the following statements is not true?
a)
Water causes more erosion on slopes without plants
b)
Water flows from higher to lower ground
c)
Faster water erodes more sediment
d)
As water slows, smaller particles are deposited first
3.
You are a planetary geologist investigating images of a planet elsewhere in the galaxy. You see gentle U-shaped valleys carved in the planet’s surface. Based on Earth’s geology what would you suspect caused these valleys?
a)
Stream erosion
b)
Glacial erosion
c)
Stream deposition
d)
Marine erosion
4.
How would you expect the sizes of sediments deposited on a mountain to compare to those deposited downriver?
a)
Larger
b)
Smaller
c)
The same
d)
It is impossible to predict
5.
When a stream or river starts to slow down, it:
a)
Picks up more sediment
b)
Erodes more rapidly
c)
Deposits fine sediments, but continues carrying larger rocks
d)
Deposits larger rocks, but continues carrying finer sediment
6.
Why is the bed load downstream generally smaller and rounded compared to bed load upstream? Select all that apply
a)
Abrasion of stones by the river channel
b)
Selective transport of sediments
c)
Abrasion of stones due to collision between them
d)
Glaciers
7.
The steeper the slope, the ________ the stream.
a)
Slower
b)
Broader
c)
Faster
d)
Curvier
8.
Which of these are traits of a stream’s floodplain? Select all that apply
a)
It is nutrient rich
b)
Is broader and shallower than its channel
c)
Is where the stream deposits much of its sediment load
d)
its elevation is usually higher than the river bed
9.
Streams with steep gradients have a(n) _____ velocity than those with gentle gradients.
a)
Greater
b)
Lesser
c)
Average
d)
None of these
100 %
