Glencoe Earth Science

Chapter 8: Erosional Forces

Erosional Forces

1
What type of glacier is Antarctica covered with?
A)flat
B)valley
C)smooth
D)continental
2
When did the last ice age end?
A)about 180,000 years ago
B)about 18,000 years ago
C)4.6 billion years ago
D)about 1,800
3
What type of valleys are made by valley glaciers?
A)flat
B)U-shaped
C)streambed
D)V-shaped
4
Where do rockfalls and rock slides commonly occur?
A)in the desert
B)on the prairie
C)near a streambed
D)areas with steep cliffs
5
All glaciers __________.
A)move quickly
B)are found near the north pole
C)move under their own weight
D)melted at the end of the last ice age
6
What causes dunes to form?
A)mountain building
B)wind
C)deposits from streams
D)glacial deposits
7
Which sediment has the smallest grain?
A)loess
B)gravel
C)sand
D)dust
8
Sand on a streambed is an example of __________.
A)deposition
B)slumping
C)weathering
D)rock formation
9
Slumps, creeps, rockfalls, rock slides, and mudflows are examples of __________.
A)erosion from wind
B)soil formation
C)mass movement
D)deposition
10
Which force causes erosion to occur?
A)electrical
B)gravity
C)magnetic
D)nuclear
11
What is erosion?
A)wind currents in the upper atmosphere
B)a process that wears away surface material
C)a process of mountain building
D)ocean currents near the surface
12
Which of these states has a lot of glacial erosion?
A)Hawaii
B)California
C)Florida
D)Ohio
13
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 distance over which the material is moved
D)the speed at which the movement occurs
14
How does wind abrasion work?
A)Sediment falls off of a surface on its own.
B)Wind-blown sediment strikes a surface.
C)Wind blows large chunks of rock off a surface.
D)Sediment is blown off a surface from wind.
15
Which is not a glacial deposit?
A)delta
B)moraine
C)outwash
D)esker
16
What is till?
A)grooves left in the land from a glacier
B)small pieces of glacier sediment
C)a mixture of different-sized glacier sediment
D)large pieces of glacier sediment
17
How is wind different from other erosional forces?
A)Wind does not shape the land.
B)Wind is not strong.
C)Wind doesn't move heavy objects.
D)Wind only moves sediment over small areas.
18
What effect does vegetation have on erosion?
A)It increases the possibility of mass movement.
B)It has no effect whatsoever.
C)It resists erosion.
D)It speeds erosion up.
19
Which type of land suffers the least from wind erosion?
A)plowed fields
B)beach
C)forest
D)desert
20
In an outwash deposit, which types of sediment drops first?
A)largest
B)medium-sized
C)smallest
D)All are dropped at the same time.
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