Chapter Test

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


This activity contains 26 questions.

	The upper limit of the zone of saturation is called the __________.   zone of aeration groundwater belt of soil moisture capillary fringe water table

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

	__________ are streams that gain water from the inflow of groundwater through the streambed.   Rejuvenated Meandering Ephemeral Artesian None of the above

	Porosity is the __________.   ability to transmit a fluid number of pores in a rock percentage of the total volume that consists of open spaces ability of a rock to hold water amount of water stored in a rock

	Permeable layers of rock, such as sand or gravel, that transmit groundwater freely are referred to as __________.   artesians aquicludes aquifers aquitards none of the above

	A permeable rock layer that transmits water freely is referred to as an aquifer.    True  False

	The mathematical relationship that relates groundwater velocity, head, length of flow, and permeability is __________.   the law of groundwater flow the groundwater coefficient the law of water mechanics hydraulic gradient none of the above

	An intermittent hot spring that ejects a fountain of hot water and steam with great force is called a(n) __________.   hydro-volcano geyser thermal spring artesian well none of the above

	What is the source of heat for most hot springs and geysers? Visit this About Geysers page for more information.   Earth's core friction in a fault hot igneous rocks (volcanics) the Sun's radiation none of the above

	According to the information in this About Geysers page, which geyser field contains more than half of the world's geysers?   Kamchatka Yellowstone Iceland New Zealand none of the above

	As water is withdrawn from a well, the water table drops around the well and forms a(n) __________.   dowser contamination zone travertine deposit cone of depression artesian system

	The term artesian is applied to __________.   regions where sea water enters the groundwater system places where water occurs on the surface any situation in which groundwater under pressure rises above the level of the aquifer a well drilled to great depths places where two aquicludes surround an aquifer

	All artesian wells are free-flowing.    True  False

	The __________ aquifer, an important groundwater source for irrigation, extends beneath a large portion of the High Plains.   Huron Ogallala Oklahoma San Joaquin Ordovician

	The hydraulic gradient of a water table is determined by dividing the __________ by the length of flow between the recharge and discharge points.   coefficient head slope velocity none of the above

	A good approximation of the rate that groundwater moves would be __________. You might find the information at this site helpful.   inches per day 10 feet per day 100 feet per day 1 mile per day 10 miles per day

	The level of the water table is important in predicting all of the following EXCEPT __________.   fluctuations in the levels of lakes ages of the underlying rock productivity of wells changes in the flow of streams

	Land subsidence is an environmental problem that can be caused by groundwater withdrawal.    True  False

	Regions of irregular terrain formed when groundwater dissolves rock are said to exhibit __________ topography.   stalagmite columnar karst speleothem dissolution

	Most caverns are created __________.   at Earth's surface on the sides of mountains as the water table rises to the surface at or below the water table with none of the above

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

	Most karst landscapes are underlain by the rock __________.   limestone sandstone quartzite granite shale

	From where did the name "karst" originate? You might find this site useful and informative.   Spain Switzerland Egypt Slovenia none of the above

	The various dripstone features found in caves are collectively called speleothems.    True  False

	Stalactites and stalagmites are examples of __________.   karst caverns sinkholes speleothems none of the above

	Which one of the following would NOT be a characteristic feature of a karst landscape?   lack of surface drainage caves sinkholes drumlins sinking streams

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