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Rivers and processes

Quiz by Rowen Davies

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12 questions
Show answers
  • Q1

    Attrition is the process of

    when rocks hit each other, breaking pieces off and rounding the material

    material, such as limestone, is dissolved in the water

    rocks scraping along the river bed smoothing out the surface in a sand papering effect

    waves hitting the bank and causing pressure to build in cracks to make mini explosions

    30s
  • Q2
    Which process involves the dropping of sediment?
    Infiltration
    Erosion
    Transpiration
    Deposition
    30s
  • Q3

    A V-shaped valley is located in

    the lower course

    upper, middle and lower course

    the upper course

    the lower course

    30s
  • Q4

    When boulders are moved along the river bed, this is called 

    Suspension

    Saltation

    Solution

    Traction

    30s
  • Q5

    The process of transporting material through suspension is described as

    rocks, such as limestone, are dissolved and transported along the river

    springs are underneath the rocks making them bunnyhop downstream

    pebbles and rocks are bounced along the river bed

    the speed/power of the water is able to float the rocks/pebbles and transport them downstream

    30s
  • Q6

    Deposition is caused by...

    the loss of energy in the river only. 

    sediment doesn't move. 

    sediment being too heavy to move only. 

    the loss of energy in the river and sediment being too heavy to move 

    30s
  • Q7

    waterfalls are created by 

    Erosion on two types of rock (soft and softer)

    Erosion on two types of rock (soft and hard) 

    Erosion on one type of rock (soft)

    Erosion on one type of rock (hard)

    30s
  • Q8

    Hydraulic action is...

    when rocks are dissolved in water

    when water compresses air into cracks on the river bank, when released there is a mini explosion

    when rocks move along the river bed scraping and scouring like a sandpapering effect

    when rocks hop over each other

    30s
  • Q9

    Abrasion is...

    when rocks hit the river bank and break

    when rocks are dissolved in water

    when rocks scrape and scour along the river bed like a sandpapering effect

    when rocks break apart

    30s
  • Q10

    What is the landform called that forms beside a v-shaped valley

    interlocking spurs

    ox-bow lakes

    gorges

    meanders

    30s
  • Q11

    Traction is when...

    large boulders are rolled along the river bed

    sediment floats downstream in the river

    when the water crashes against the river bank and compresses air into the cracks, it is released with an explosive force

    sediment that is dissolved floats down the river

    30s
  • Q12

    Saltation is when...

    sediment is dropped after the river loses energy

     rock is dissolved in the river

    large boulders are bounced in a hopping motion

    pebbles are rolled along the river bed

    30s

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