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Glacial systems and landscapes Flashcards | StudBud
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Glacial systems and landscapes
Glacial systems and landscapes
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Content for glacial systems and landscapes, AQA
Flashcards
41 cards
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Questions
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Answers
1
What colour does ice go when air is expelled?
Bluish
Whiteish
Readish
Brownish
2
What is the definition of a fragile environment?
Easily smashed
Easily damaged and difficult to restore
Easily damaged and easy to restore
3
Which moves slower?
Warm based glacier
Cold based glacier
4
Where are warm-based glaciers found?
Temperate regions
Polar regions
High latitude regions
5
Alpine environments occur at any latitude
True
False
6
Which of these turns a v shape into a u shape?
Truncated spurs
Hanging valley
Glacial troughs
Rochee moutonnees
7
Which one of these is not a input of energy into a glacier?
Geothermal heat
Direct snowfall
Solar
8
In the last 1 million years how many glacial periods have there been?
10
8
6
4
9
How far north/south are polar environments?
55 degrees
66 degrees
70 degrees
10
What are the two zones of movement?
Rigid upper zone
Rigid zone of plastic flow
Lower zone of plastic flow
Rigid lower zone
11
Which is not a way in which glaciers transport material?
Super-glacial
Supra-glacial
En-glacial
Sub-glacial
12
What is permafrost?
Where temperatures have been below 0 degrees for a year
Where temperatures have been below 2 degrees for 2 years
Where temperatures have been below 5 degrs for 2 years
Where temperatures have been below 2 degrees for 5 years
13
What is a closed system?
Flow of energy / no matter
Flow of matter and energy
Flow of matter / no energy
No interaction
14
Which causes more erosion?
Warm based glacier
Cold based glacier
15
What is the correct definition of weathering?
Plants get between rocks and force open cracks
CO2 and water makes carbonic acid which weathers rocks
Breakdown/decay of rock at or near the Earths surface
16
Which receives more precipitation?
Cold based glacier
Warm based glacier
17
What % of glaciers are losing mass?
90
50
80
100
18
How do glaciers erode and shape the landscape?
Plucking, abrasion
Abrasion, plucking
Plucking, nivation
Abrasion, frost shattering
19
What is this depositional landform?
Till plain
Erratic
Morraine
Drumlin
20
How high are typical alpine environments?
5000m
3000m
1500m
2000m
21
Which of these is not a output of a glacier?
Rock fall
Icebergs
Meltwater
Sediments
22
Which of these is arm-chair shaped?
Aretes
Hanging vally
Glacial trough
Corrie
23
What is the correct order of soils from the top?
Active layer, perma-frost, talik
Perma-frost, active layer, talik
Active layer, talik, perma-frost
24
What fluvioglacial landform is this?
Meltwater channel
Esker
Outwash plain
Kame
25
Which is not a recent impact climate change?
Greenland ice sheet to be gone by 2100
Longer, drier sumers
Accelerated sea level rise
Shrinking glaciers
26
Which is not a periglacial landform?
Esker
Pingos
Blockfields
Patterned ground
27
Which is not a type of moraine?
Push
Recessional
Terminal
End
28
Which of these is described as 'sheep tracks'?
Outwash plain
Blockfield
Terracettes
Thermokarsts
29
Which is not a type of mass movement in periglacial landscapes?
Frost heave
Evaporation
Solifluction
Frost creep
30
Which of these is not a erosional landform?
Corries
Pyramidal peak
Truncated spurs
Drumlin
31
Which is not a modern threat to cold environments?
Hunting
Flooding
Tourism
Research
32
Which is not a type of weathering?
Chemical
Abrasion
Mechanical
Biological
33
Which of these sums up ablation?
outputs and gaining mass
inputs and losing mass
outputs and losing mass
inputs and gaining mass
34
What occurs during compressional flow?
Reduction in gradient
Increase in gradient
Reduction in gradient
35
What are solifluction lobes compared too?
Lips
Tongues
Ears
Noses
36
Which is colder?
Arctic
Antarctic
37
Is an outwash plain sored?
No
Yes
38
How much of the planet is covered by ice?
30%
5%
20%
10%
39
What is a landscape?
The materials and landforms which make up the environment
An individual feature of the Earths surface
All the depositional landforms in a area
40
Which of these represents periglacial areas?
Alaska, Canada, Africa, Scandinavia, Siberia
Alaska, England, Siberia, Scandinavia, Canada
Alaska, Canada, Scandinavia, Siberia
Alaska, Canada, Australia, Canada
41
Which region gets 100mm of precipitation?
Antarctic
Arctic
