Starter quiz

  • Which of the following best describes weathering?
    • The physical movement of rock material down a slope.
    • The sudden collapse of rock due to gravity.
    • The breakdown or disintegration of rocks at or close to Earth's surface.  ✓
    • The transport of sediment along a coast.
  • Which of the following is true about constructive waves?
    • They are tall and have a strong backwash.
    • They have a weak swash and strong backwash.
    • They have a strong swash and weak backwash.  ✓
    • They erode the beach more than they build it.
  • Define hydraulic action.
    • The process where rocks are thrown against a cliff by waves.
    • The pressure of water breaking rocks apart.  ✓
    • The chemical reaction of seawater with rock.
    • The grinding of rocks against each other, making them smaller.
  • What causes freeze-thaw weathering?
    • The chemical reaction between water and rock minerals.
    • The heating and cooling of rock causing cracks.
    • The movement of ice scraping against rocks.
    • The expansion of water as it freezes in cracks in rocks.  ✓
  • What best describes the process of slumping?
    • The slow movement of soil down a slope.
    • A sudden movement of rockfall.
    • The movement of land down a curved surface.  ✓
    • The gradual scraping of rock by wind or water.
  • "High, steep waves, typically formed by local storms, that remove sediment from beaches", this statement describes ______ waves.
    • 'Destructive' ✓
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