Question 1

From the human perspective,what climatic effect of the Little Ice Age had the greatest impact?

Accepted Answer

shorter,co

Question 2

The zone of ____________________ is the portion of a glacier where additions exceed losses.

Accepted Answer

The answer of The zone of ____________________ is the portion...

Question 3

The distal end or edge of the glacier is called its ____________________.

Accepted Answer

The answer of The distal end or edge of the...

Question 4

A conical hill of stratified drift is an esker.

Accepted Answer

A) True 
 B)False

Question 5

A steep-walled,pyramidal peak formed by headward erosion of cirques.

Accepted Answer

A) True 
 B)False

Question 6

A glacial landform produced primarily by plucking rocks on the downstream side and smoothing by the glacier on the upstream side is called a(n)____.

Accepted Answer

A)  roche moutonnée 
B)  esker 
C)  kame 
D)  terminal moraine 
E)  cirque 
A)  roche moutonnée 
B)  esker 
C)  kame 
D)  terminal moraine 
E)  cirque

Question 7

The zone of wastage is the portion of a glacier where ____________________ exceed ____________________.

Accepted Answer

The answer of The zone of wastage is the portion...

Question 8

The three stages involved in the formation of a glacier are the precipitation of ____________________; the formation of ____________________ by partial thawing,refreezing,and crystallization; and compaction and recrystallization to produce ____________________.

Accepted Answer

snow,firn,

Question 9

A glacier that is now longer flowing is called a(n)____________________ glacier.

Accepted Answer

The answer of A glacier that is now longer flowing...

Question 10

What is a possible explanation for long-term variations in Earth's climate?

Accepted Answer

plate tect

Question 11

A glacier begins to flow when the ice reaches what critical thickness?

Accepted Answer

A)  100 meters 
B)  40 meters 
C)  20 meters 
D)  10 meters 
E)  5 meters 
A)  100 meters 
B)  40 meters 
C)  20 meters 
D)  10 meters 
E)  5 meters

Question 12

Glaciers are geologically important because they erode,transport,and deposit so much material.

Accepted Answer

A) True 
 B)False

Question 13

A glaciers budget is balanced when

Accepted Answer

A)  additions to the zone of accumulation equal losses in the zone of wastage. 
B)  losses in the zone of accumulation equal additions to the zone of wastage. 
C)  the zone of accumulation receives more input than the zone of wastage. 
D)  the zone of wastage does not lose material. 
A)  additions to the zone of accumulation equal losses in the zone of wastage. 
B)  losses in the zone of accumulation equal additions to the zone of wastage. 
C)  the zone of accumulation receives more input than the zone of wastage. 
D)  the zone of wastage does not lose material.

Question 14

What are eskers and how do they form?

Accepted Answer

Eskers are long,sinuous ridges

Question 15

In the process of sublimation

Accepted Answer

A)  ice melts to become liquid water, which then evaporates. 
B)  fresh snow becomes firn and then glacial ice. 
C)  ice changes directly into water vapor. 
D)  white ice becomes denser so that blue wavelengths are transmitted and scattered and the ice appears blue. 
A)  ice melts to become liquid water, which then evaporates. 
B)  fresh snow becomes firn and then glacial ice. 
C)  ice changes directly into water vapor. 
D)  white ice becomes denser so that blue wavelengths are transmitted and scattered and the ice appears blue.

Question 16

How does a fiord form?

Accepted Answer

A fiord was a glacier filled v

Question 17

Earth's orbit varies from nearly circular to more elliptical in a roughly 100,000-year cycle.

Accepted Answer

A) True 
 B)False

Question 18

Ice Ages

Accepted Answer

A)  have been common through Earth history. 
B)  have glacial episodes separated by very short interglacial stages. 
C)  are caused primarily by plate tectonics. 
D)  are the result of variations in the amount of solar heat received. 
A)  have been common through Earth history. 
B)  have glacial episodes separated by very short interglacial stages. 
C)  are caused primarily by plate tectonics. 
D)  are the result of variations in the amount of solar heat received.

Question 19

Why do scientists study glaciers to better understand climate change? What do studies of glaciers contribute to our understanding of current climate trends?

Accepted Answer

Glaciers are sensitive to even short-ter

Question 20

Which is the only continent that does not presently have glaciers?

Accepted Answer

A)  South America 
B)  North America 
C)  Africa 
D)  Europe 
E)  Australia 
A)  South America 
B)  North America 
C)  Africa 
D)  Europe 
E)  Australia

Exam 14: Glaciers and Glaciation

From the human perspective,what climatic effect of the Little Ice Age had the greatest impact?

The zone of ____________________ is the portion of a glacier where additions exceed losses.

The distal end or edge of the glacier is called its ____________________.

A conical hill of stratified drift is an esker.

A steep-walled,pyramidal peak formed by headward erosion of cirques.

A glacial landform produced primarily by plucking rocks on the downstream side and smoothing by the glacier on the upstream side is called a(n)____.

The zone of wastage is the portion of a glacier where ____________________ exceed ____________________.

The three stages involved in the formation of a glacier are the precipitation of ____________________; the formation of ____________________ by partial thawing,refreezing,and crystallization; and compaction and recrystallization to produce ____________________.

A glacier that is now longer flowing is called a(n)____________________ glacier.

What is a possible explanation for long-term variations in Earth's climate?

A glacier begins to flow when the ice reaches what critical thickness?

Glaciers are geologically important because they erode,transport,and deposit so much material.

A glaciers budget is balanced when

What are eskers and how do they form?

In the process of sublimation

How does a fiord form?

Earth's orbit varies from nearly circular to more elliptical in a roughly 100,000-year cycle.

Ice Ages

Why do scientists study glaciers to better understand climate change? What do studies of glaciers contribute to our understanding of current climate trends?

Which is the only continent that does not presently have glaciers?

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earth's Interior

Deformation,Mountain Building,and Earth's Crust

Mass Wasting

Running Water Streams and Rivers

Groundwater

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

Geology in Perspective

Filters

The zone of wastage is the portion of a glacier where exceed .

The three stages involved in the formation of a glacier are the precipitation of ; the formation of by partial thawing,refreezing,and crystallization; and compaction and recrystallization to produce .