• 1. 
    What is the term for the permanently water-saturated region underground?

  • Aquifer
  • Water table
  • Zone of aeration
  • Capillary fringe
  • 2. 
    What is the term that describes ground failure or loss of soil strength that causes solid soil to behave like a liquid?

  • Aeration
  • Spring action
  • Percolation
  • Liquefaction
  • 3. 
    Which of these terms describes the effect wells have on the height of the water table when they remove water from the soil?

  • Percolation
  • Runoff
  • Drawdown
  • Infiltration
  • 4. 
    What is the process of water entering the soil from the surface called?

  • Infiltration
  • Percolation
  • Aeration
  • Runoff
  • 5. 
    Compared with water at the surface, in general, how fast does groundwater move?

  • Groundwater moves at the same rate as surface water.
  • Groundwater moves slower than surface water.
  • Groundwater moves faster than surface water.
  • Groundwater is stagnant.
  • 6. 
    What is a rock layer containing water called?

  • Hydrophilic strata
  • Water table
  • Matrix
  • Aquifer
  • 7. 
    When does saltwater intrusion occur in an aquifer?

  • When precipitation and infiltration refill an aquifer
  • When the water table is high
  • When wells are capped
  • When the well draws out too much fresh water
  • 8. 
    What is the aerated region of the soil above the water table called?

  • Aquifer
  • Vadose zone
  • Zone of liquefaction
  • Zone of percolation
  • 9. 
    What is the naturally occurring spring from which water flows called?

  • Artesian well
  • Vadose spring
  • Shale fountain
  • Aquifer
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