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Lab 6: Mass Movement
GEOG 1113L – Introduction to Landforms Lab
Name:
I. Erosion Due to Gravity
1. What is mass movement and what is the ultimate purpose of it? (3 points)
- Mass movement is the movement of soil, rocks, and other materials downhill due to
gravity. The ultimate purpose is to reshape the Earth’s surface by moving materials from
higher areas to lower ones, helping to balance out the land.
2. What is the angle of repose? (3 points)
- the steepest angle at which a pile of loose material does not slide.
3. Which of the following does not impact the angle of repose? (2 points)
A. Moisture level
B. Weight
C. Color
D. Shape
E. Size
4. What factors increase the chance of a landslide? (3 points)
5. CREEP is a slow form of mass movement that involves the downhill movement of soil. Bent
TREE TRUNKS may be evidence of this type of mass movement. (2 points)
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II. Types of Mass Movement
Use your knowledge from the video you just watched and the provided definitions to determine which
type of mass movement each of the 10 pictures below shows. Highlight the appropriate answer.
1. Which type of mass movement is shown in the picture above? (2 points)
A. Avalanche
B. Mudflow
C. Rockfall
D. Lahar
E. Creep
F. Landslide
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2. Which type of mass movement is shown in the picture above? (2 points)
G. Avalanche
H. Mudflow
I. Rockfall
J. Lahar
K. Creep
L. Landslide
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Lab 6: Mass Movement
GEOG 1113L – Introduction to Landforms Lab
Name:
I. Erosion Due to Gravity
1. What is mass movement and what is the ultimate purpose of it? (3 points)
- Mass movement is the movement of soil, rocks, and other materials downhill due to
gravity. The ultimate purpose is to reshape the Earth’s surface by moving materials from
higher areas to lower ones, helping to balance out the land.
2. What is the angle of repose? (3 points)
- the steepest angle at which a pile of loose material does not slide.
3. Which of the following does not impact the angle of repose? (2 points)
A. Moisture level
B. Weight
C. Color
D. Shape
E. Size
4. What factors increase the chance of a landslide? (3 points)
5. CREEP is a slow form of mass movement that involves the downhill movement of soil. Bent
TREE TRUNKS may be evidence of this type of mass movement. (2 points)
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II. Types of Mass Movement
Use your knowledge from the video you just watched and the provided definitions to determine which
type of mass movement each of the 10 pictures below shows. Highlight the appropriate answer.
1. Which type of mass movement is shown in the picture above? (2 points)
A. Avalanche
B. Mudflow
C. Rockfall
D. Lahar
E. Creep
F. Landslide
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2. Which type of mass movement is shown in the picture above? (2 points)
G. Avalanche
H. Mudflow
I. Rockfall
J. Lahar
K. Creep
L. Landslide
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