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Ch: 12 Glaciation

Total questions: 101

Worksheet time: 2hrs 32mins

Name
Class
Date
1.
Till deposited in the front of a glacier
a)
ground moraine
b)
lateral moraine
c)
terminal moraine
d)
medial moraine
2.
This force causes the movement of glaciers
a)
pressure
b)
ice age
c)
gravity
d)
firn
3.
When a glacier retreats and large, partially buried, ice chunks are left behind to melt, these are formed:
a)
Moraine
b)
Prairie pothole
c)
Kettle Lake
d)
Fjord
4.
What glacial features are indicated by the labels C and D on the figure?
a)
moraines
b)
outwash plains
c)
kettle lakes
d)
ice sheets
5.
glacial erosion causes ______ as it moves across the land?
a)
plucking and striations
b)
beaches and sand bars
c)
sea caves and headlands
d)
sand dunes and losses
6.

Poorly graded (unsorted) rock material deposited directly by a glacier.

a)

glacial drift

b)

stratified drift

c)

till

d)

glacier

7.
Glaciers often form V shaped valleys
a)
true
b)
false
8.
Friction causes the sides of a valley glacier to move more slowly than the center
a)
true
b)
false
9.
The deposit at the furthest point the glacier ever gets.
a)
moraine
b)
ground moraine
c)
recessional moraine
d)
terminal moraine
10.
Glaciers only form near Earth’s poles.
a)
True
b)
False
11.

The photograph shows both erosional and depositional features formed by an agent of erosion. Which agent of erosion produced the features shown in the photograph?

a)

running water

b)

glacial ice

c)

ocean waves

d)

prevailing wind

12.

The photograph shows scratched and grooved

bedrock with boulders on its surface. The scratches and grooves were most likely created when

a)

alternating thawing and freezing of water cracked the bedrock

b)

flooding from a nearby lake covered the bedrock

c)

a glacier dragged rocks over the bedrock

d)

rocks from a landslide slid along the bedrock

13.

The photograph shows a valley. Which agent of erosion most likely produced this valley's shape?

a)

blowing wind

b)

ocean waves

c)

moving ice

d)

running water

14.

The cross sections show a three-stage sequence in the development of a glacial feature. Which glacial feature has formed by the end of stage 3?

a)

kettle lake

b)

finger lake

c)

drumlin

d)

parallel scratches

15.

Base your answer to the following question on the map. Arrows on the map show the location and orientation of glacial striations on the surface bedrock. Dark shading shows the location of large moraines (glacial deposits). How were the striations made?

a)

Frost action cracked the bedrock during the ice age.

b)

Rocks at the bottom of the glaciers were dragged over the bedrock.

c)

Particles carried by winds scratched the bedrock during the ice age.

d)

Particles carried by glacial meltwater eroded the bedrock.

16.

Which landscape feature was most likely formed by glacial activity?

a)

an eroded plateau

b)

a flat floodplain

c)

a U-shaped valley

d)

a V-shaped valley

17.

The bedrock at a certain location is deeply scratched, and in some places is covered by a layer of unsorted sediment. Which erosional agent was probably responsible for these features?

a)

ocean waves

b)

wind

c)

running water

d)

glaciers

18.

Base your answer to the following question on the diagram which represents a profile of a mountain glacier in the northern United States. Over a period of years, this glacier gains more snow mass than it loses. What will be the most likely result of this gain?

a)

The glacier will decrease in size, and the ice front will retreat.

b)

The glacier will decrease in size, and the ice front will advance.

c)

The glacier will increase in size, and the ice front will retreat.

d)

The glacier will increase in size, and the ice front will advance.

19.

The diagram represents a stream valley. Which diagram below best shows how this valley might be modified after a glacier has moved through it?

a)
b)
c)
d)
20.

The diagram shows the edge of a continental glacier that is receding. R indicates elongated hills. The ridge of sediments from X to Y represents a landscape feature. The elongated hills labeled R are most useful in determining the

a)

age of the glacier

b)

direction the glacier has moved

c)

thickness of the glacier

d)

rate at which the glacier is melting

21.

What type of glacier forms in a mountainous area?

a)

Alpine

b)

continental

c)

till

d)

moraine

22.

A gigantic mass of moving ice

a)

glacial drift

b)

stratified drift

c)

till

d)

glacier

23.

What type of glacier covers huge areas of land?

a)

alpine

b)

continental

c)

till

d)

moraine

24.

What are sharp pyramid shaped peaks formed by alpine glaciers called?

a)

U-shaped valleys

b)

cirques

c)

aretes

d)

horns

25.

All material carried and deposited by glaciers

a)

glacial drift

b)

stratified drift

c)

till

d)

glacier

26.

What are jagged ridges that form on mountains called?

a)

U0shaped valleys

b)

cirques

c)

aretes

d)

horns

27.

which type of moraine forms along each side of a glacier?

a)

medial moraine

b)

lateral moraine

c)

ground moraine

d)

terminal moraine

28.
A glacier is __________
a)
series of frozen lakes that line up parallel to one another 
b)
series of frozen seas that rest in the interior of continents 
c)
o  large body of ice that does not move across the earth's surface 
d)
large body of ice and snow that shows evidence of movement 
29.
Glaciers form when _____.
a)
less snow falls than melts 
b)
more snow falls than melts 
c)
less rain falls than freezes 
d)
more rain falls than freezes 
30.
When a glacier is experiencing more melting than snow accumulation it is said to be in a period of _____.
a)
glacial drift 
b)
glacial retreat 
c)
glacial advance 
d)
o  glacial outburst 
31.
What letter of the alphabet does a glacial valley most closely resemble?
a)
U
b)
V
c)
W
d)
X
32.
_____ is rock debris embedded in base of ice create polishing, grooves and striations.
a)
Plucking
b)
Abrasion
c)
Weathering
d)
Erosion
33.
_____ is the removal of large chunks of rock debris.
a)
Plucking
b)
Abrasion
c)
Weathering
d)
Erosion
34.
_____ are parallel scratch marks on bedrock
a)
Plucking
b)
Abrasion
c)
Straitions
d)
Till
35.
_____ are enormous boulders transported and deposited by glaciers, often far from their source region.
a)
Till
b)
Erratics
c)
Moraines
d)
Fjords
36.
A _____ is a meandering narrow ridge formed when water, flowing in a tunnel underneath a melting glacier, deposited sediment
a)
erratic
b)
moraine
c)
esker
d)
fjords
37.
A _____ is a tear-drop-shaped hill created by ice flow over and around till deposit.
a)
drumlin
b)
esker
c)
moraine
d)
erratic
38.

Till deposited in the front of a glacier

a)

ground moraine

b)

lateral moraine

c)

terminal/end moraine

d)

medial moraine

39.
What is a bowl-shaped depression formed by glacial erosion?
a)
cirque
b)
arrete
c)
ice pack
d)
kettle
40.
Glaciers often form V shaped valleys
a)
true
b)
false
41.

Where do glaciers form?

a. Near the South Pole

b. Near the North Pole

c. High in the mountains

d. All of the above

e. None of the Above

a)

a

b)

b

c)

c

d)

d

e)

e

42.
Where is the largest glacier in the world?
a)
Pakistan
b)
Antarctica
c)
Arctic
d)
Greenland
43.

Why are glaciers important?

a)

They protect certain species

b)

melting glaciers would increase sea level

c)

melting glaciers would throw off the ecosystem of the oceans

d)

all of the above

44.
What percent of land area on Earth is covered with glacial ice?
a)
15%
b)
10%
c)
70%
d)
3%
45.
___________glaciers are growing, while __________ glaciers are shrinking.
a)
Retreating, advancing
b)
Advancing, retreating
46.

Where are ALPINE GLACIERS formed?

a)

In mountains

b)

On ice sheets

c)

At the coast

d)

Over the oceans

47.

How do most ALPINE GLACIERS act?

a)

Rivers of ice moving in wide valleys

b)

Sheets of ice flattening the land

c)

Layers of ice covering the oceans

d)

Chunks of ice floating in the oceans

48.

ALPINE GLACIERS erode mountainous regions, then melt.


What are the shapes of the valleys that remain behind after the ice melts?

a)

U-Shape Valley

b)

V-shape Valley

c)

Slot Canyon Valley

d)

Gorge

49.

ALPINE GLACIERS erode mountainous regions, then melt.


What are the shapes of the valleys that remain behind after the ice melts?

a)
b)
c)
d)
50.

Look at the picture. Which feature is A?

a)

Medial Moraine

b)

Lateral Moraine

c)

Terminal Moraine

d)

Recessional Moraine

51.

Look at the picture. Which feature is B?

a)

Medial Moraine

b)

Lateral Moraine

c)

Terminal Moraine

d)

Recessional Moraine

52.

Look at the picture. Which feature is C?

a)

Cirque glacier

b)

Valley glacier

c)

Continental glacier

d)

Piedmont glacier

53.

Look at the picture. Which feature is D?

a)

Cirque glacier

b)

Valley glacier

c)

Continental glacier

d)

Piedmont glacier

54.

A valley glacier moves down slope through the valley. The valley glacier scrapes along and erodes the rocky sides of the valley.


What is the layer of till and rocky sediment that forms along the edges of the valley glacier because of the glacier's erosion of the sides of the valley?

a)

Medial moraine

b)

Lateral moraine

c)

Ground moraine

d)

Outwash

55.

What is a very jagged and thin ridge of rock?


This forms when two valley glaciers or two cirque glaciers grind and erode the valley walls between them.

a)

Arete

b)

Col

c)

Horn

d)

Cirque

56.

What is a very pointy and slender mountain peak?


This forms when two or more circque galciers or niche glaciers erode from different sides of mountain peak?

a)

Arete

b)

Col

c)

Horn

d)

Cirque

57.

What is the bowl-shaped depressions that form near the summits of mountains?


They often contain the sources of glaciers. These are the zones of accumulation in alpine glacier systems?

a)

Arete

b)

Col

c)

Horn

d)

Cirque

58.

The glacier inside the cirque melts.


What are the small shallow lakes that remain inside the cirques after the glaciers melted?

a)

Tarn lakes

b)

Paternoster lakes

c)

Kettle lakes

d)

Meltwater lakes

59.

The alpine glacier system melts leaving a series of lakes inside an eroded valley. The lakes form behind many recessional moraines at different elevations. The lakes are connected by a single stream or small river.


What is this lake system called?

a)

Tarn lakes

b)

Paternoster lakes

c)

Kettle lakes

d)

Meltwater lakes

60.

How long does it take for a glacier to move a day?

a)

1 mile

b)

A few meters to a few centimeters

c)

Not at all

d)

10 Miles

61.

How long has Glaciers been present on earth?

a)

1 decade

b)

7 decades (Decade = 10 years)

c)

100 years

d)

Millions of years

62.

Are you having fun?

a)

Nah, Not really

b)

YES!!!

c)

Do I have to answer?

d)

Sure I guess

63.
glacial erosion causes ______ as it moves across the land?
a)
plucking and striations
b)
beaches and sand bars
c)
sea caves and headlands
d)
sand dunes and losses
64.
A formation of land that opens up to the ocean (this term was used in the movie "Frozen"
a)
Fiord
b)
Arete
c)
Circque
d)
Till
65.
Friction causes the sides of a valley glacier to move more slowly than the center
a)
true
b)
false
66.
The deposit at the furthest point the glacier ever gets.
a)
moraine
b)
ground morain
c)
recessional morain
d)
terminal morain
67.

Shrinking glaciers flow backwards because they are getting smaller in size.

a)

True. The glacier will recede back up the mountain as it gets smaller.

b)

True. The back of the glacier uphill will pull the ice up as it shrinks.

c)

False. Glaciers only move downhill because of gravity.

d)

False. Glaciers will flow backwards at times, but only when they are getting bigger in size.

68.

Similarly to how glaciers move, glaciers are formed by the same force: ___________. Over many years of accumulating (building up) layers of snow, the layers _____________ into ice from the weight of all the layers pressing down.

a)

Gravity, melt

b)

Gravity, compact (like pressing to make a snowball)

c)

Friction, melt

d)

Friction, compact (like pressing to make a snowball)

69.

Glaciers shaped our land...even in Ohio! How?

(may have more than one answer)

a)

Glaciers sit on top of the landscape and freeze and thaw breaking rocks apart

b)

Glaciers created landforms (moraine) made up of glacial deposits (till). Landforms can either be spread across an area like a blanket, or piled up at the edge of a glacier.

c)

Glaciers deposited materials (till) directly to other areas.

d)

Glaciers can pick up rocks (plucking) as they move. These rocks then act as sandpaper as they scrape across the landscape (abrasion).

70.

You can drink glacial meltwater.

a)

False. It has "rock flour" in it.

b)

False. It's saltwater and you can't drink saltwater.

c)

True. It is pure, freshwater.

71.

The portion of Earth consisting of perennially frozen freshwater, saltwater, and the ground is known as the

a)

biosphere.

b)

atmosphere.

c)

lithosphere.

d)

cryosphere.

72.

Approximately, what percentage of the Earth's freshwater is frozen?

a)

10%

b)

15%

c)

50%

d)

75%

73.

The bulk of ice on Earth is in

a)

North America, specifically Alaska.

b)

European and Asian mountain ranges.

c)

Greenland and Antarctica.

d)

Argentina and Chile.

74.

A snowline refers to

a)

the latitude or elevation at which winter snow accumulates each year.

b)

the latitude demarcating the extent of glacial ice during the last glacial maximum.

c)

an isoline demarcating the extent of snow or ice on a weather map.

d)

the elevation at which snow accumulation ceases, marking the uppermost point of a glacier.

75.

Glacial ice is

a)

essentially the same as snow.

b)

produced over a period of many years.

c)

composed primarily of sedimentary rock.

d)

annually formed high altitudes and latitudes in fall and melts away by spring/early summer.

76.

A general term for a mass of perennial ice, resting on land or floating in the sea attached to a landmass is

a)

the snowline.

b)

an iceberg.

c)

a glacier.

d)

a moraine.

77.

The two main types of glaciers are

a)

alpine glaciers and continental ice sheets.

b)

moraine glaciers and alpine glaciers.

c)

tidewater glaciers and continental glaciers.

d)

cirque glaciers and alpine glaciers.

78.

A glacier confined within a valley that originally was formed by stream action is called a(n)

a)

ice cap.

b)

cirque glacier.

c)

valley glacier.

d)

tidewater glacier.

79.

Alpine glaciers include all of the following except a(n)

a)

ice cap.

b)

piedmont glacier.

c)

cirque glacier.

d)

valley glacier.

80.

An extensive, continuous mass of ice covering a continental scale is known as a(n)

a)

tidal glacier.

b)

ice sheet.

c)

piedmont glacier.

d)

tidewater glacier.

81.

In terms of areal extent, which of the following sequences is ordered from largest to smallest extent covered?

a)

ice sheet, ice field, ice cap, alpine glacier

b)

ice sheet, ice cap, ice field, alpine glacier

c)

alpine glacier, ice field, ice cap, ice sheet

d)

ice sheet, alpine glacier, ice field, ice cap

82.

The ________ of a glacier is where snowfall and moisture collect and compact to ice in the winter, and ice persists throughout the summer.

a)

ice field

b)

accumulation zone

c)

snow line

d)

terminal moraine

83.

The various processes that result in the loss of a glacier's mass are known collectively as

a)

sublimation.

b)

deflation.

c)

ablation.

d)

accumulation.

84.

Which of the following is incorrect about glacial movement?

a)

Glaciers move under the pressure of their own weight and the pull of gravity.

b)

Glaciers move in streamlike patterns, merging as tributaries into large rivers of ice.

c)

Glacial movement produces distinct landforms.

d)

Glaciers are mostly stationary, only moving several centimeters over tens of years.

85.

All of the following are related to glacial erosion except

a)

V-shaped valleys.

b)

abrasion.

c)

plucking.

d)

erratics.

86.

________ are small mountain lakes formed in cirques.

a)

Cols

b)

Horns

c)

Hanging valleys

d)

Tarns

87.

A(n) ________ is a valley carved by a small tributary glacier stranded high above the mail valley floor because the primary glacier eroded the main valley much deeper.

a)

col

b)

horn

c)

hanging valley

d)

tarns

88.

A class of landforms formed by the accumulation of glacial till are known as

a)

drift.

b)

alluvium.

c)

outwash.

d)

moraines.

89.

A deposition of till that forms behind a terminal moraine as the glacier retreats and is generally spread widely across the ground surface is called a(n)

a)

outwash plain.

b)

till plain.

c)

drumlin swarm.

d)

lateral moraine.

90.
Ice sheets once covered the upper northeastern portion of the United States.
a)
True
b)
False
91.

A large rock or boulder dropped by a glacier is called...

a)

Cirque

b)

Moraine

c)

Erratic

d)

Horns

92.

A small scooped out pond left by a glacier is called...

a)

Erratic

b)

Moraine

c)

Striation

d)

Kettle

93.
How do glaciers erode land?
a)
By picking up soil and rocks and depositing them in new location
b)
By picking up water from lakes and streams and carrying it to the ocean
c)
By causing rain and snow in an area
d)
By lowering the atmospheric pressure, causing intense windstorms
94.
Friction causes the sides of a valley glacier to move more slowly than the center
a)
true
b)
false
95.
___________glaciers are growing, while __________ glaciers are shrinking.
a)
Retreating, advancing
b)
Advancing, retreating
96.

What feature is labeled A in Figure 7-1?

a)

kame

b)

esker

c)

drumlin

d)

end moraine

97.

What feature is labeled C in Figure 7-1?

a)

kame

b)

esker

c)

drumlin

d)

terminal moraine

98.

What feature is labeled G in Figure 7-1?

a)

outwash plain

b)

esker

c)

drumlin

d)

terminal moraine

99.

In glacier terms, this is a picture of a(n) ______________________.

a)

erratic

b)

arete

c)

horn

d)

none of these are correct

100.
Which does a glacier act like as it changes the earth's surface?
a)
car
b)
truck
c)
bulldozer
d)
ice machine
101.
Determine the contour interval on this map.
a)
10 m
b)
20 m
c)
50 m
d)
100 m