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5 Written questions

5 Matching questions

  1. floodpain
  2. placer deposit
  3. channel
  4. dam
  5. porosity
  1. a path that a stream follows
  2. b percentage of the total volume of a rock or sediment that consists of open spaces
  3. c one type of barrier that can be built to help control flooding
  4. d minerals are sometimes deposited at places in a river where the current slows down
  5. e area along a river that forms sediments deposited when the river overflows its banks

5 Multiple choice questions

  1. dirty water is passed through a large screen to catch solid objects, such as paper, rags, and bottle caps
  2. the downward movement of water through pores and other spaces in soil due to gravity
  3. stream that flows into a lake or into a larger stream
  4. pollution that comes from many sources rather than from a single, specific site
  5. fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply

5 True/False questions

  1. recharge zoneamount of water that a stream or river carries in a given amount of time

          

  2. erosionthe process by which wind, water, ice or gravity transports soil and sediment from one location to another

          

  3. turbiditypercentage of the total volume of a rock or sediment that consists of open spaces

          

  4. point-source pollutionpollution that comes from many sources rather than from a single, specific site

          

  5. condensationtakes place when water vapor cools and changes into water droplets that form clouds in the atomosphere. water loses energy during condensation