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Chapter Test

Select the most appropriate response for each of the following questions.

This activity contains 26 questions.

Question 1.
The upper limit of the zone of saturation is called the __________.

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Question 2.
Much of the water that flows in rivers is not direct runoff from rain or snowmelt, but originates as groundwater.

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Question 3.
__________ are streams that gain water from the inflow of groundwater through the streambed.

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Question 4.
Porosity is the __________.

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Question 5.
Permeable layers of rock, such as sand or gravel, that transmit groundwater freely are referred to as __________.

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Question 6.
A permeable rock layer that transmits water freely is referred to as an aquifer.

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Question 7.
The mathematical relationship that relates groundwater velocity, head, length of flow, and permeability is __________.

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Question 8.
An intermittent hot spring that ejects a fountain of hot water and steam with great force is called a(n) __________.

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Question 9.
What is the source of heat for most hot springs and geysers? Visit this About Geysers page for more information.

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Question 10.
According to the information in this About Geysers page, which geyser field contains more than half of the world's geysers?

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Question 11.
As water is withdrawn from a well, the water table drops around the well and forms a(n) __________.

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Question 12.
The term artesian is applied to __________.

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Question 13.
All artesian wells are free-flowing.

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Question 14.
The __________ aquifer, an important groundwater source for irrigation, extends beneath a large portion of the High Plains.

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Question 15.
The hydraulic gradient of a water table is determined by dividing the __________ by the length of flow between the recharge and discharge points.

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Question 16.
A good approximation of the rate that groundwater moves would be __________. You might find the information at this site helpful.

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Question 17.
The level of the water table is important in predicting all of the following EXCEPT __________.

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Question 18.
Land subsidence is an environmental problem that can be caused by groundwater withdrawal.

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Question 19.
Regions of irregular terrain formed when groundwater dissolves rock are said to exhibit __________ topography.

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Question 20.
Most caverns are created __________.

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Question 21.
Karst topography is most likely to develop in regions with limestone bedrock and a wet climate.

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Question 22.
Most karst landscapes are underlain by the rock __________.

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Question 23.
From where did the name "karst" originate? You might find this site useful and informative.

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Question 24.
The various dripstone features found in caves are collectively called speleothems.

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Question 25.
Stalactites and stalagmites are examples of __________.

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Question 26.
Which one of the following would NOT be a characteristic feature of a karst landscape?

End of Question 26

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