Lesson 3.1.4.3
3.1.4.3 Glacial systems and processes Quiz: AQA Geography, Unit 1
20 questions
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Lesson 3.1.4.3, Glacial systems and processes: 20 multiple choice questions for the AQA Geography (7037), Unit 1: Physical geography, written with Revision Ninja.
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The 20 questions
-
Which process combines freeze-thaw weathering and meltwater erosion beneath a snow patch?
- Abrasion
- Nivation
- Plucking
- Solifluction
-
Which process occurs when meltwater freezes in bedrock joints and moving ice removes blocks?
- Plucking
- Rotational slip
- Nivation
- Abrasion
-
Which process grinds down bedrock using rock debris embedded in the base of a glacier?
- Freeze-thaw weathering
- Carbonation
- Plucking
- Abrasion
-
Which movement process involves ice crystals slipping past one another within a glacier?
- Basal sliding
- Rotational movement
- Internal deformation
- Subglacial deformation
-
Which factor is essential for basal sliding to occur beneath a warm-based glacier?
- Basal meltwater
- High atmospheric pressure
- Frozen bedrock
- Sub-zero ice
-
What type of glacial flow occurs when ice stretches over a steep bedrock slope?
- Basal sliding
- Compressional flow
- Internal deformation
- Extensional flow
-
What landform is formed by meltwater depositing sand and gravel in subglacial tunnels?
- Drumlin
- Esker
- Moraine
- Kame
-
What is the top layer of soil in periglacial areas that thaws each summer?
- Active layer
- Permafrost table
- Talik
- Cryoturbation zone
-
What slow mass movement process occurs when saturated soil slides over permafrost?
- Slump
- Solifluction
- Rockfall
- Soil creep
-
Which physical weathering process breaks rock through repeated freezing and thawing of water?
- Frost shattering
- Carbonation
- Hydration
- Nivation
-
What primary movement process is absent in cold-based glaciers?
- Internal deformation
- Rotational slip
- Extensional flow
- Basal sliding
-
What term describes the transport of sediment carried inside the ice of a glacier?
- Supraglacial transport
- Subglacial transport
- Englacial transport
- Fluvioglacial transport
-
What term describes unsorted and unstratified sediment deposited directly by glacial ice?
- Alluvium
- Colluvium
- Till
- Outwash
-
What term describes the balance between glacier accumulation and ablation over one year?
- Thermal regime
- Mass displacement
- Glacial budget
- Dynamic equilibrium
-
Which weathering process involves hollow deepening beneath snow patches by freeze-thaw and meltwater?
- Abrasion
- Nivation
- Plucking
- Solifluction
-
How do fluvioglacial deposits differ mainly from glacial till?
- Sorted and stratified
- Coarser and denser
- Unsorted and angular
- Darker in colour
-
What condition causes a glacier's mass balance to become negative?
- Ablation exceeds accumulation
- Accumulation exceeds ablation
- Basal sliding increases
- Ice velocity doubles
-
Which feature enables warm-based glaciers to slide rapidly across bedrock?
- Basal meltwater
- High ice purity
- Surface crevassing
- Deep permafrost
-
Which two processes are the primary mechanisms of glacial erosion?
- Freeze-thaw and nivation
- Plucking and abrasion
- Solifluction and deflation
- Traction and saltation
-
Which basal condition most directly increases the rate of glacial erosion?
- Low bedrock slope
- Moraine height
- Air temperature
- Basal meltwater presence
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