Chapter 9
Multiple Choice
1. The upper groundwater zone above the water table where pore spaces may be filled with air as
well as water is termed the zone of:
a. Aeration
b. Artesian water
c. Precipitation
d. Saturation
2. The process of water condensing out from clouds is:
a. Precipitation
b. Runoff
c. Infiltration
d. Evaporation
3. Which of the following factors is most fundamental in determining the amount of groundwater in
an area?
a. Vegetation
b. Evaporation
c. Precipitation
d. Porosity of the rock and soil
4. Which of the following rocks would be the best aquifer?
a. Shale
b. Sandstone
c. Clay
d. Granite
5. The water table is:
a. At the top of the zone of aeration b. At the top of the zone of saturation
c. Present only in humid climates
d. The contact line between the aquifer and the aquiclude
6. Cones of depression are caused by:
a. Rapid artesian flow
b. Pumping wells
c. Perched water tables
d. Haystack hills
True/False
7. Global water cycle is an open system.
8. In general, groundwater is "hard" compared to rainwater.
9. Over 50% of Americans receive their drinking water from ground water.
10. Groundwater can easily be polluted and easily cleaned up.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
a
a
d
b
b
b
f
t
t
f\