Groundwater

Practice Test
      
  1.What soil horizon has high concentrations of organic matter and humus?  
  a.   horizon B  
  b.   horizon Z  
  c.   horizon A  
  d.   horizon C  
      
  2.What is a characteristic of karst topography? SC.D.1.4.2  
  a.   sinkholes  
  b.   all of the above  
  c.   sinking streams  
  d.   caves  
      
  3.1:24 000 is an example of a __________.  
  a.   map projection  
  b.   verbal scale  
  c.   fractional scale  
  d.   graphic scale  
      
  4.Which well shown in the figure would provide the healthiest water?



 
  a.   Well 4  
  b.   Well 2  
  c.   Well 3  
  d.   Well 1  
      
  5.All mass movement occurs __________. SC.D.1.4.2  
  a.   because of heavy precipitation  
  b.   on a slope  
  c.   on a flat  
  d.   because of an earthquake  
      
  6.Where does water accumulate to supply a stream?  
  a.   mouth  
  b.   stream channel  
  c.   delta  
  d.   headwaters  
      
  7.Which combination of characteristics allows the greatest amount of water to infiltrate into the ground?  
  a.   steep slopes, sandy soil, and hot temperatures  
  b.   little slopes, sandy soils, and cool temperatures  
  c.   low slopes, clay-rich soils, and hot temperatures  
  d.   steep slopes, silty soils, and cool temperatures  
      
  8.Many lakes in agricultural regions are eutrophic due to __________. SC.G.2.4.6  
  a.   minimal algae growth  
  b.   excessive nutrients  
  c.   reduced amounts of animal waste  
  d.   excessive sunlight  
      
  9.Water that flows downslope along Earth's surface is called __________.  
  a.   discharge  
  b.   precipitation  
  c.   bed load  
  d.   runoff  
      
  10."If you were going to make a pond in your backyard, which material would you choose to line the bottom?  
  a.   silt  
  b.   a mixture of sand, silt, and clay  
  c.   sand  
  d.   clay  
      
  11."How are soil textures classified?  
  a.   acidity  
  b.   horizon  
  c.   climate  
  d.   grain size  
      
  12.A __________ projection is made by projecting points and lines from a globe onto a piece of paper that touches the globe at one point.  
  a.   gnomonic  
  b.   shadow  
  c.   conic  
  d.   Mercator  
      
  13.The process of water being added to the water table from precipitation is called __________.  
  a.   condensation  
  b.   recharge  
  c.   creating a cone of depression  
  d.   drawdown  
      
  14.The slow, steady, downhill flow of loose material is called __________. SC.D.1.4.2  
  a.   creep  
  b.   slump  
  c.   landslide  
  d.   avalanche  
      
  15.The highest percent of porosity is found in __________.  
  a.   well-sorted materials  
  b.   poorly sorted sediments  
  c.   impermeable layers  
  d.   the water table  
      
  16.What is the name for the land area that separates two watersheds?  
  a.   a divide  
  b.   a peninsula  
  c.   a stream bank  
  d.   an island  
      
  17.Physical weathering rates are highest in areas with __________.  
  a.   warm and dry climates  
  b.   repeated freezing and thawing  
  c.   cool and dry climates  
  d.   warm and wet climates  
      
  18.What human activity causes acid precipitation to form SC.G.2.4.6  
  a.   surface mining  
  b.   burning of fossil fuels and motor vehicle exhaust  
  c.   drilling for oil and natural gas  
  d.   clear cutting  
      
  19.How are caves formed? SC.D.1.4.2  
  a.   porosity of sandstone and limestone  
  b.   permeability of water through fine-grained materials  
  c.   dissolution and precipitation of limestone  
  d.   uplift of limestone rocks  
      
  20.The amount of material in suspension is dependent upon the __________ of the stream water.  
  a.   volume and velocity  
  b.   solutes  
  c.   stream channel  
  d.   bed load  

 
   
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