Unit 36 | Student Practice Quizzes | Physical Geography: The Global Environment, Second Edition

Instructions: For each question, click on the radio button beside your answer. When you have completed the entire quiz, click the Submit my answers button at the bottom of the page to receive your results.

Question 1:

A cooling period, in which ice expands, is known as a(n) ________.
a) ice age
b) glaciation
c) deglaciation
d) interglacial
e) cryospheration

Question 2:

Granular, compacted snow that undergoes further compression in glacial formation is called ________.
a) firn
b) basal ice
c) roche moutonnee
d) karst
e) foehn

Question 3:

In order to remain in equilibrium, a glacier loses ice in its zone of ________.
a) accumulation
b) precipitation
c) ablation
d) compression
e) phreation

Question 4:

Which factor does not affect the temperature of basal ice?
a) Bedrock temperature
b) Weight of overlying ice
c) Pressure
d) Direction of flow
e) All of these factors affect basal ice temperature.

Question 5:

The occasional rapid, sustained movement of a glacier is known as a(n) ________.
a) glaciation
b) advance
c) slide
d) ablation
e) surge

Question 6:

The glacier process that contributes to erosion by pulling up blocks of rock is ________.
a) abrasion
b) plucking
c) scouring
d) glacial creep
e) surging

Question 7:

Milankovitch forcing suggests that the ice ages were caused by variation in the ________.
a) Earth’s orbit
b) Sun’s heat output
c) sunlight reflected by the earth
d) Earth’s inner core temperature

Question 8:

The ‘firn line’ on a glacier marks ________.
a) the dividing line between the zone of accumulation and ablation
b) the elevation above which snow never melts
c) the elevation where the average annual temperature is below freezing
d) the tree line where trees do not grow

Question 10:

If a glacier has a negative mass balance ________.
a) upglacier movement of equilibrium line will occur
b) its accumulation rate is greater than its wastage rate
c) all flow ceases
d) the glacier's length increases
e) crevasses will no longer form

Question 11:

A film of pressurized water below a glacier causes ________.
a) rock creep
b) surging
c) fracture
d) plastic flow
e) basal slip

Question 12:

Rocks abraded by glaciers may develop a smooth surface that shines in reflected light. This is called glacial ________.
a) grooves
b) striations
c) polish
d) till
e) flour

Question 13:

Which of the following is not an explanation for previous ice ages?
a) Plate tectonics
b) Crutal bulging
c) Volcanic activity
d) Orbital variations
e) Increased sea levels

Question 14:

Which of the following is not a process that affect glacial mass loss?
a) Melting
b) Evaporation
c) Sublimation
d) Wind erosion
e) Washing

Question 15:

Ice creep in a glacier is a consequence of which of the following?
a) Weight
b) Slope
c) Gravity
d) a, b, and c
e) None of the above.

Question 16:

Ice creep refers to the movement of the entire glacier over rock.
a) True
b) False

Question 17:

Temperature does not decrease evenly with increasing depth in a glacier.
a) True
b) False

Question 18:

The most common landform associated with abrasion is the roche moutonnee.
a) True
b) False

Question 19:

The upper, rigid layer of a glacier is often cut by large cracks called crevasses.
a) True
b) False

Question 20:

The most recent ice age is often called the Late Cenozoic Ice Age.
a) True
b) False

Question 21:

A glacier receives moisture inputs in its zone of ablation.
a) True
b) False

Higher Education

Physical Geography: The Global Environment, Second Edition - Unit 36