Chapter 9 Quiz

1.  The top of the saturated zone of ground water is called the ________.
 

  vadose zone 
  waterless zone 
  aquiclude 
  zone of saturation 
  water table 
 

2. Which seawater has been found to have the least density?

  Seawater near the bottom 
  Surface seawater in warm regions 
  Sinking seawater 
  Saltier than average seawater 
  Surface seawater in a cold region 
 

3  The hydrologic cycle is considered a(n) ________ system

  blue-colored 
  infinite 
  collapsing 
  open 
  closed 
 
4. In Las Vegas, Nevada, the groundwater supply is ________.
  not being used and staying the same 
  being depleted 
  increased 
  about to be tapped as soon as Lake Mead runs dry 
  being used and staying the same 
 

5.  Our knowledge of the oceans is ________.

  fairly limited until recent decades 
  now complete 
  equal to our knowledge of the continents 
  unimportant because humans live on the land 
  never going to amount to much 
 

6. Rock through which ground water cannot run or flow is a(n) ________.

  vadose layer 
  aquiclude 
  aquifer 
  phreatic layer 
  groundwater layer 
 

7. Of the following, which is energized by the wind?
  Deep ocean circulation 
  Tidal bores 
  Tides 
  Ocean currents 
  The cryosphere 
 

8. A chunk of independently floating ice is an ice ________.
  pack 
  berg 
  shelf 
  chunk 
  floe 
 

9. Of the Earth’s water inventory, most of the fresh water is stored in the form of ________.
  water in lakes 
  soil moisture 
  glacial ice 
  condensation (clouds) 
  river and stream water 
 

10  The figure shows an ocean bounded by India, Africa, Asia, and Australia.

The ocean shown in this figure is the ________ ocean.

  Pacific 
  Arctic 
  Atlantic 
  Southern 
Correct!
  Indian 
 

11. Oceans are becoming more acidic because they are absorbing ________.

  lye 
  smoke 
  carbon dioxide 
  hydrochloric acid 
  rocks 
 

12.  The figure shows a cross-section through rock structures related to aquifers.  There are five layers.

There are five layers shown and the second and fourth from the top are aquifers in which water has accumulated. The first layer under Earth’s surface and above the aquifer layer is best termed the ________.

  aquiclude 
  groundwater zone 
  waterless zone 
  water table 
  zone of aeration 
 

13. The global oceanic conveyor belt circulation has prominent areas of sinking in the ________ Ocean.

  South Pacific 
  North Atlantic 
  North Indian 
  South Atlantic 
  North Pacific 
 

14. The deepest oceanic trenches are in which ocean?
 

  Arctic 
  Atlantic 
  Indian 
  Pacific 
  In the Atlantic, Pacific, Artic or Indian, the trenches are approximately the same depth. 
 

15. Which force supplies the energy for percolation?

  Coriolis force 
  Hydraulic head force 
  Gravity 
  Capillary force 
  Pressure gradient 
 

16. Geographically speaking, the most important currents ________.

  involve upwelling 
  are caused by tides 
  involve subsidence 
  are the flows making up the oceans’ general circulations
  are caused by underwater earthquakes 
 

17. The movement of a wave across the surface of the ocean is a movement of ________ rather than matter.

  time 
  wind 
  water 
  substance 
  energy 
 

18.  Of the places listed below, ocean waters generally have the least salinity in ________.

  places with lack of rainfall 
  small seas and gulfs 
  subtropical zones 
  polar regions 
  hot places 
 

19.  In the oceans, place-to-place differences in water temperature and other characteristics are most prominent ________.

  at the bottom 
  near the surface 
  in tropical latitudes 
  at depths below a few hundred meters 
  in polar latitudes 
 

20. Which of the below best describes water moving through Earth material because of the influence of gravity?

  Flow 
  Capillary action 
  Evapotranspiration 
  Percolation 
  Subartesian 
 

21. North America’s largest lake is ________.

  Lake Erie 
  Great Salt Lake 
  Great Bear Lake 
  Great Slave Lake 
  Lake Superior 
 

22. Water not found in oceans accounts for ________ percent of the world’s total water.

  2.8 
  28 
  74 
  56 
  0.25 
 

23.  Surface water occupies somewhat more than ________ percent of our planet.

  70 
  50 
  10 
  99 
  90 
 

24. Most of Earth’s water is stored ________.

  on the surface in solid form 
  underground in liquid form 
  as capillary water in the soil 
  in gaseous form 
  on the surface in liquid form 
 

25. The oceans contain approximately ________ percent of all water on Earth.

  0.7 
  97 
  57 
  17 
  77 

Chapter 9 Quiz Answers