Download Earth Science Chapter 5 Section 3

Name: ________________________ Class: ___________________ Date: __________
ID: A
Earth Science Chapter 5 Section 3
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. The process responsible for moving material downslope under the influence of gravity is called ____.
a. erosion
c. mass movement
b. weathering
d. soil formation
____
2. What is the force behind mass movements?
a. the sun’s energy
b. flowing water
c.
d.
gravity
moving ice
____
3. What factor commonly triggers mass movements?
a. saturation of surface materials with water
b. earthquakes
c. removal of vegetation
d. all of the above
____
4. Why can the removal of vegetation trigger mass movements?
a. The soil loses nutrients and begins to crumble.
b. The plant roots bind the soil and regolith together.
c. The shaking triggers mass movements.
d. The plant roots lubricate the loose sediment.
____
5. A mass movement that involves the sudden movement of a block of material along a flat, inclined surface is
called a ____.
a. slide
c. slump
b. rockfall
d. flow
____
6. When a block of material moves downslope along a curved surface, the type of mass movement is called
____.
a. a rockfall
c. a slump
b. a rockslide
d. creep
____
7. What is the slowest type of mass movement?
a. a slump
b. a rockfall
____
c.
d.
an earthflow
creep
8. A relatively rapid form of mass movement that is most common in dry mountainous regions is ____.
a. creep
c. a slump
b. a mudflow
d. an earthflow
2
Name: ________________________
ID: A
Completion
Complete each statement.
9. The downslope movement of rock, regolith, and soil under the direct influence of gravity is called a(n)
____________________.
10. One trigger of mass movements occurs when the pores in sediments become filled with
____________________.
11. The downward movement of a block of material along a curved surface is called a(n)
____________________.
12. ____________________, the slowest type of mass movement, involves the lifting and contracting of soil
particles over time.
Short Answer: ON THE TEST, you will have to complete TWO SHORT ANSWER QUESTIONS from ALL of
the short answer questions that appear in the chapter.
13. What is a mass movement?
14. What factors, other than gravity, are important in triggering mass movements?
15. What type of mass movement occurs when rock fragments or rocks fall freely through the air?
2
ID: A
Earth Science Chapter 5 Section 3
Answer Section
MULTIPLE CHOICE
1.
2.
3.
4.
5.
6.
7.
8.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
C
C
D
B
A
C
D
B
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
1
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
L1
L1
L1
L1
L1
L1
L1
L1
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
5.8
5.8
5.9
5.9
5.10
5.10
5.10
5.10
COMPLETION
9. ANS: mass movement
PTS: 1
10. ANS: water
DIF: L1
OBJ: 5.8
PTS: 1
11. ANS: slump
DIF: L1
OBJ: 5.9
PTS: 1
12. ANS: Creep
DIF: L1
OBJ: 5.10
PTS: 1
DIF: L1
OBJ: 5.10
SHORT ANSWER
13. ANS:
the transfer of soil and rock downslope due to gravity
PTS: 1
DIF: L1
OBJ: 5.8
14. ANS:
earthquakes, oversteepening of slopes, the removal of vegetation, the saturation of the soil with water
PTS: 1
15. ANS:
a rockfall
PTS: 1
DIF: L1
OBJ: 5.9
DIF: L1
OBJ: 5.10
1