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WorksheetsForces of Nature CGF3MO: 4.4 Mass wasting
Total questions: 22
Worksheet time: 13mins
Name
Class
Date
1.
Which of the following is not an example of mass wasting?
a)
Landslide
b)
Slump
c)
Flood
d)
Creep
2.
Trees, walls, and fence posts leaning downhill are a sign of ______.
a)
Rockfalls
b)
Mud Flow
Mud Flows
Mud Flows
c)
Creep
d)
Slump
3.
True/False: The material from a landslide will eventually come to a rest, usually in a flat place.
a)
True
b)
False
4.
An angle at which sediment will not slide down a slope is called:
a)
Angle of Reuse
b)
Angle of Repose
c)
Slope Angle
d)
Reposing
5.
The movement that occurs during mass wasting is caused by what?
a)
Wind
b)
Gravity
c)
Ice
d)
Water
6.
What is a way humans can increase the risk of mass wasting?
a)
Building on Steep Slopes
b)
Staying off the land
c)
Maintaining Vegetation
7.
Erosion tends to be more destructive when the mass wasting occurs on ______ slopes.
a)
Small
b)
Flat
c)
Steep
d)
Bumpy
8.
What factor causes a mudslide?
a)
the amount of CO2 in the area
b)
the amount of pollution in an area
c)
the amount of wind in an area
d)
the amount of rain in an area
9.
Why is planting trees on a muddy slope a good idea to prevent mudflows and landslides?
a)
The tree roots soak up water
b)
The trees keep the soil in place
c)
Trees add homes for wildlife
d)
Just a and b
10.
Why is building houses on hills in landslide danger zones not a good idea?
a)
The houses' added weight can cause landslides
b)
The houses' noise can cause landslides
c)
The animals like dog's can dig holes in the ground that can cause landslides
d)
All of the above
11.
During what season would you expect mass movements to be a greater threat?
a)
a dry summer with drought
b)
a wet spring with little vegitation
c)
a dry autumn after the leaves turn
d)
a wet summer with lots of vegetation
12.
A mass movement that involves the sudden movement of a block of material along a flat, inclined surface is called a
a)
slide
b)
rockfall
c)
slump
d)
flow
13.
Besides gravity, what is the next most important factor in mass wasting?
a)
water
b)
temperature
c)
humidity
d)
daylight hours
14.
This can be put at the bottom of a slope to keep roads safe.
a)
retaining wall
b)
stream
c)
a sign
d)
ditch
15.
what is a slump?
a)
When you slouch or have an arch in your back.
b)
mass wasting that occurs when loose materials or rock layers move down a CURVED slope
c)
When rocks slide down a hill
d)
Why cows don't eat hay
16.
This image show an example of a
a)
Rock fall
b)
Slump
c)
Creep
d)
Mudflow
17.
This image show an example of a
a)
Rock fall
b)
Slump
c)
Creep
d)
Mudflow
18.
This image show an example of a
a)
Rock fall
b)
Slump
c)
Creep
d)
Mudflow
19.
This image show an example of a
a)
Rock fall
b)
Slump
c)
Creep
d)
Mudflow
20.
This image show an example of a
a)
Rock fall
b)
Slump
c)
avalanche
d)
Lahar flow
21.
This image show an example of a
a)
Rock fall
b)
Slump
c)
avalanche
d)
Lahar flow
22.
What is one factor that lead to the landslide you see in this image?
a)
Deforestation
b)
Melting permafrost
c)
Drought
d)
Poor soil structure
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