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Chapter 6
Chapter Test
Chapter Test
Read each question and all answer choices carefully, then choose the best answer.
This activity contains 30 questions.
Continental Ice Sheets cover parts of the Great Lakes.
True
False
Glaciers are exclusively part of the hydrologic cycle.
True
False
Glaciers forming at higher elevations are most commonly
crevasses
icebergs
ice sheets
moraines
alpine glaciers
The Malaspina Glacier is an example of a/an
valley glacier
ice cap
alpine glacier
continental ice sheet
piedmont glacier
The two major types of glaciers are valley glaciers and ice sheets.
True
False
Glacial ice and snow never melt.
True
False
Large cracks caused by tension within the zone of fracture are called
flows
ablations
iceberg calves
crevasses
none of the above
Movement at the margin of a glacier can be described as
advancing
retreating
stationary
a and b
all of the above
The zone of wastage represents
a net loss of volume due to ice formation
a net loss of seasonal melt
a net gain of seasonal snow
a net gain of glacial ice
a net loss of snow and glacial ice
Movement or flow within the glacier occurs by spreading and breaking into tenuously connected blocks.
True
False
The addition of ice and snow in the upper area of the glacier occurs within the
zone of thickening
zone of fracture
zone of ablation
zone of accumulation
none of the above
The position of the front of a glacier depends on the balance between accumulation and wastage.
True
False
Boulders of rock different from the surrounding bedrock and deposited as part of till or lying free on the surface are called
end moraines
outwash plains
cobbles
glacial erratics
drumlins
The all-embracing term for sediments of glacial origin is
erratic
loess
outwash
silt
drift
Identify each of the indicated glacial features that are commonly associated with ice sheets.
(Ice sheet features diagram, Copyright © Prentice Hall, Inc.)
This question presents 6 items numbered 15.1 through 15.6. Each item is presented with a pulldown menu containing the letters A through F.
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
15.1 end moraine
A
B
C
D
E
F
15.2 kettle lake
A
B
C
D
E
F
15.3 drumlin
A
B
C
D
E
F
15.4 esker
A
B
C
D
E
F
15.5 kame
A
B
C
D
E
F
15.6 outwash plain
A
B
C
D
E
F
Materials that have been deposited directly by a glacier are called
till
stratified drift
eolian
loess
outwash
The end moraine that marks the farthest advance of a glacier is called the ____________ moraine.
ground
recessional
medial
lateral
terminal
The two most effective processes for glacial erosion of the landscape are abrasion and
gouging
slipping
plucking
scouring
deflation
Which of the following is
not
associated with erosion of the landscape by continental glacier?
arête
striations
rock flour
polished expanses
none of the above
Continental ice sheets and glaciation form in favorable conditions enhanced by
severely cold winters and normal summers
current day conditions
mild winters and normal summers
mild winters and cooler summers
severely cold winters and hot summers
Changes in our oceanic circulation patterns can
decrease solar activity
increase solar activity
affect transportation of heat and moisture
affect plate movement
none of the above
The Ice Age began between two and three million years ago.
True
False
Which of the following is a result of Pleistocene glacial activity?
stream course adjustments
animal and plant migration
crustal depression and rebound
worldwide change in sea level
all of the above
Scientists have learned more about climate cycles by studying glaciers and
catastrophic floods
marine sediments
erosional gaps
a and c
none of the above
The Pleistocene epoch is studied intently because it is the only known time period of extended glacial activity.
True
False
Variations in Earth's orbit and movement completely explain the glacial and interglacial cycles of the Pleistocene.
True
False
The leeward slope of a dune is called the ____________ face.
slip
cross
slope
wind
gradual
Desert streams that carry water only in response to specific episodes of rainfall are said to be
occasional
episodic
flowing
youthful
ephemeral
The lifting and removal of loose material including silt and clay-sized particles is called
saltation
loess
desert pavement
deflation
slip
Some portions of the desert are covered by a continuous layer of coarse particles creating a stony veneer called
desert pavement
playa lakes
deflation
desert arroyos
loess
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