Earth Science: The Changing Surface of Earth, Book G

Section 1: Erosion by Gravity

Self-Check Quiz-Eng.

1.
What is erosion?
A)a process that wears away surface material
B)wind currents in the upper atmosphere
C)ocean currents near the surface
D)a process of mountain building
2.
Which force causes erosion to occur?
A)nuclear
B)electrical
C)gravity
D)magnetic
3.
Sand on a streambed is an example of __________.
A)weathering
B)slumping
C)rock formation
D)deposition
4.
Slumps, creeps, rockfalls, rock slides, and mudflows are examples of __________.
A)erosion from wind
B)deposition
C)mass movement
D)soil formation
5.
Where do rockfalls and rock slides commonly occur?
A)areas with steep cliffs
B)near a streambed
C)in the desert
D)on the prairie
6.
What is the main difference between a creep and a slump?
A)the direction along a slope that the movement occurs
B)the type of material that is moved
C)the speed at which the movement occurs
D)the distance over which the material is moved
7.
What is a danger that is involved with building a house on the side of a hill?
A)deposition
B)mass movement
C)glaciers
D)wind
8.
What effect does vegetation have on erosion?
A)It speeds erosion up.
B)It increases the possibility of mass movement.
C)It resists erosion.
D)It has no effect whatsoever.
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