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Video 18: Rivers and Springs

Quiz by Terry Milne

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12 questions
Show answers
  • Q1
    What is the percentage of total global water that is freshwater?
    1.3 percent
    2.5 percent
    68.6 percent
    96.5 percent
    30s
  • Q2
    What type of stream flow is characterized by erratic horizontal and vertical movements?
    Base level
    Laminar flow
    Suspended load
    Turbulent flow
    30s
  • Q3
    What type of channel is cut into the underlying strata of the earth?
    Bedrock channel
    Braided channel
    Delta channel
    Alluvial channel
    30s
  • Q4
    What is the result of a stream entering a large body of water and depositing sediment?
    Meander
    Delta
    Rapid
    Alluvial fan
    30s
  • Q5
    What is the ultimate base level for most streams and rivers?
    Ocean
    Lake
    Waterfall
    Mountain
    30s
  • Q6
    What type of channel is characterized by converging and diverging channels threading among numerous islands or gravel bars?
    Meandering channel
    Braided channel
    Alluvial channel
    Bedrock channel
    30s
  • Q7
    What feature is formed when a river meander is cut off and becomes a lake?
    Delta formation
    Alluvial fan
    Meandering river
    Oxbow lake
    30s
  • Q8
    What is the zone of active erosion on the outside of a meander called?
    Cut bank
    Main channel
    Outer edge
    Deposition zone
    30s
  • Q9
    What is the term for the maximum load of solid particles a stream can carry?
    Discharge
    Velocity
    Capacity
    Erosion
    30s
  • Q10
    In which type of valley are steep sides and features like waterfalls and rapids common?
    Braided valley
    U-shaped valley
    V-shaped valley
    Alluvial valley
    30s
  • Q11
    What is the process by which sediment is deposited at the base of mountain fronts in a fan shape?
    Oxbow lake formation
    Delta formation
    Alluvial fan formation
    Meandering river formation
    30s
  • Q12
    Where do most rivers aim to erode down to in order to reach their ultimate base level?
    Mountain top
    Ocean floor
    Sea level
    Valley floor
    30s

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