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PHS 103 > Chapter 11 > Flashcards

Chapter 11 Flashcards

1
Q 
The type of glaciers found in Alaska are:
A) ice sheets
B) continental glaciers
C) polar glcaiers
D) valley glaciers
A

valley glaciers

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2
Q 
The source of glacial ice is:
A) high altitude streams
B) freezing spring water
C) comets
D) snow
A

snow

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3
Q

Why are the major ice shelves of antarctic collapsing?
A) increases in the penguin populations
B) regional climate warming
C) increases in snowfall have added additional ice
D) all the above

A

regional climate warming

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4
Q 
Which of the following is not the result of glacial erosion?
A) striations
B) Hanging valleys
C) till
D) erratics
A

till

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5
Q 
Which of the following was not a result of Pleistocene glaciations?
A) crustal subsidence
B) alteration in river drainage patterns
C) variations in Earth's orbit
D) a drop in sea level
A

variations in Earth’s orbit

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6
Q 
One of the first scientists to suggest that glaciers were once more extensive than present day was:
A) Milankovitch
B) Hutton
C) English
D) Agassiz
A

Agassiz

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7
Q

Nikki likes to have her ass bitten and/or pinched.

True or False

A

False, this hurts a lot and makes me want to cry…not to mention my butt is ticklish…only spanking is allowed ;-)

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8
Q 
Which of the following does not apply to the Zone of Wastage?
A) lower part of glacier
B) region of calving of icebergs
C) region with perennial snow cover
D) region below snowline
A

region with perennial snow cover

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9
Q 
\_\_\_\_\_\_\_\_ is one of the two, major flow mechanism in a glacier.
A) Crevassal slip
B) Frost heaving
C) Basal slip
D) Morainal sliding
A

Basal slip

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10
Q 
Where is the world's largest ice sheet located today?
A) Iceland
B) Greenland
C) Antarctica
D) Russia, Siberia
A

Antartica

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11
Q 
Approximately how long ago did the last of the great North American ice sheets melt?
A) 1.5 million yrs
B) 150,000 yrs
C) 15,000 yrs
D) 1500 yrs
A

15,000 yrs

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12
Q 
Abrasion and plucking generally involve what part of a glacier?
A) the snout zone
B) the surface, brittle zone
C) the internal, flowage zone
D) the basal, sliding zone
A

the basal, sliding zone

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13
Q 
A \_\_\_\_\_\_\_\_ cross-valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers.
A) S
B) U
C) Y
D) V
A

U

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14
Q

If you built a house on the shoreline of Hudson Bay, which of the following might your great, great grandchildren have to do to it?
A) reinforce the seawall as wave action erodes it
B) extend their dock to reach the water as the shoreline recedes due to crustal rebound
C) evacuate the house when Hudson Bay freezes over from the new ice age scientists believe is coming
D) raise the house on stilts as the oceans rise in response to the greenhouse effect

A

extend their dock to reach the water as the shoreline recedes due to crustal rebound

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15
Q 
\_\_\_\_\_\_\_\_ are erosional features produced by valley/alpine glaciers.
A) Eskers
B) Drumlins
C) Cirques
D) Moraines
A

Cirques

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16
Q

Which one of the following prominent landforms, located from the Wasatch Range, UT, westward to the Sierra Nevada, CA, formed during the Pleistocene glacial episodes?
A) subaerial deltas submerged by the post-glacial rise in sea level
B) old shorelines of large, pluvial lakes
C) erosional features produced by continental glaciation
D) terminal moraines of continental ice sheets that moved south from Canada

A

old shorelines of large, pluvial lakes

17
Q 
The \_\_\_\_\_\_\_\_ of the geologic time scale represents the time of the most recent "Ice Age."
A) Pliocene era
B) Pliocene epoch
C) Pleistocene era
D) Pleistocene epoch
A

Pleistocene epoch

18
Q 
A(n) \_\_\_\_\_\_\_\_ is likely to host a waterfall or steep rapids today.
A) horn peak
B) outwash plain
C) striated drumlin
D) hanging valley
A

hanging valley

19
Q 
Where is the world's second largest continental ice sheet?
A) Greenland
B) Iceland
C) Antarctica
D) Siberian Russia
A

Greenland (unless you ask a children’s education show)

20
Q

How do icebergs in the North Atlantic Ocean originate?
A) by calving of large piedmont glaciers in Greenland
B) as masses of sea ice that float southward from the Arctic Ocean
C) as calved blocks of glacial ice that float northward from Antarctica
D) as large masses of sea ice that float northward from Antarctica

A

by calving of large piedmont glaciers in Greenland

21
Q 
The present-day coverage by ice sheets represents about what percentage of the Earth's land area.
A) 1
B) 20
C) 30
D) 10
A

10

22
Q 
If the present ice sheets melted, which major city would be flooded?
A) chicago
B) Seattle
C) Memphis
D) all would be flooded
A

Memphis

23
Q 
\_\_\_\_\_\_\_\_ was a very large, pluvial lake in Utah during the Pleistocene Epoch.
A) Lake Aral
B) Lake Mead
C) Lake Bonnevill
D) Lake Caspian
A

Lake Bonneville

24
Q

_____________ has been employed to explain widely spaced (in time) glaciations, and _________________ has provided an explanation for alternating glacial advances and retreats during the Pleistocene epoch.
A) The tilt of the Earth on its axis; earth’s wobbling on its axis
B) Earthquake activity; carbon dioxide buildup from burning fossil fuels;
C) Volcanism; Agassiz
D) Plate tectonics; Milankovitch

A

Plate tectonics; Milankovitch

25
Q

When a glacier is retreating, the upstream ice is still moving forward toward the downstream terminus of the glacier.
True or False

A

True

26
Q

The type of glacier that affected Illinois during the last ice age was a valley (alpine) glacier.
True or False

A

False

27
Q

One might expect a “Moraine State Park” in Northern Illinois.
True or False

A

True

28
Q

The Illinoian glaciation extended as far south as present day Memphis, Tennesse.
True or False

A

False

29
Q

The Channeled Scablands were formed by one, single megaflood from the draining of prehistoric lake Missoula.
True or False

A

False

30
Q

The Pleistocene epoch of geological time began about 6 million years ago.
True or False

A

False

31
Q

Great Salt Lake in Utah is the shrunken, salty remnant of a much larger, Pleistocene, pluvial lake called Lake Bonneville.
True or False

A

True

32
Q

Rock flour consists of silt-sized, rock and mineral particles produced by glacial abrasion.
True or False

A

True

33
Q 
Nikki has never but would like...
A) to try handcuffs
B) use a sex swing
C) have both of us be blindfolded
D) to roleplay 
E) make a video
F) All of the Above
A

All of the Above…when are you coming over next?

PHS 103 (7 decks)

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