Question 1

This cross section shows the location of 5 wells and the water table? Which well is most likely to be an artesian well?

Accepted Answer

A) well A 
B) well B 
C) well C 
D) well D 
E) well E
  
A) well A 
B) well B 
C) well C 
D) well D 
E) well E

Question 2

In a material that holds groundwater,porosity:

Accepted Answer

A) controls the amount of water that can be stored 
B) determines the composition of the cement between grains and clasts 
C) does not depend on the size and shape of grains and clasts 
D) is constant from one type of material to another 
A) controls the amount of water that can be stored 
B) determines the composition of the cement between grains and clasts 
C) does not depend on the size and shape of grains and clasts 
D) is constant from one type of material to another

Question 3

What is a possible way to decrease permeability?

Accepted Answer

A) seal fractures with clays and other minerals 
B) fill pores between grains with clays and other fine-grained materials 
C) fill pores with natural cement 
D) all of these 
E) none of these 
A) seal fractures with clays and other minerals 
B) fill pores between grains with clays and other fine-grained materials 
C) fill pores with natural cement 
D) all of these 
E) none of these

Question 4

Why does a plume of contamination spread out (become wider)away from the source of contamination?

Accepted Answer

A) because the water flows faster and faster 
B) because of diffusion of the contamination and mixing of contaminated and uncontaminated water 
C) it does not spread out away from the source 
D) it will only spread out if it is close to a cone of depression 
A) because the water flows faster and faster 
B) because of diffusion of the contamination and mixing of contaminated and uncontaminated water 
C) it does not spread out away from the source 
D) it will only spread out if it is close to a cone of depression

Question 5

What is a possible consequence of overpumping of groundwater?

Accepted Answer

A) inflation of the aquifer due to an increase in porosity 
B) flooding due to rising groundwater levels 
C) along the coast,pulling saltwater into wells that were previously fresh 
D) all of these 
A) inflation of the aquifer due to an increase in porosity 
B) flooding due to rising groundwater levels 
C) along the coast,pulling saltwater into wells that were previously fresh 
D) all of these

Question 6

Which of these four lakes could be replenished by groundwater?

Accepted Answer

A) 1 and 2 
B) 2 and 3 
C) 3 and 4 
D) 1 and 4 
E) none of these 
A) 1 and 2 
B) 2 and 3 
C) 3 and 4 
D) 1 and 4 
E) none of these

Question 7

Groundwater velocity (the rate of movement of ground water)is most strongly influenced by which of the following factors?

Accepted Answer

A) local climate and humidity 
B) depth to the water table 
C) presence of wells 
D) the slope (gradient)of the water table 
A) local climate and humidity 
B) depth to the water table 
C) presence of wells 
D) the slope (gradient)of the water table

Question 8

Which of the following materials has high porosity and high permeability?

Accepted Answer

A) unfractured granite 
B) well-sorted gravel 
C) compacted clay 
D) uncompacted clay 
E) poorly sorted sand,silt,and clay 
A) unfractured granite 
B) well-sorted gravel 
C) compacted clay 
D) uncompacted clay 
E) poorly sorted sand,silt,and clay

Question 9

Which of the following features is formed by the collapse of caves?

Accepted Answer

A) travertine 
B) stalagmite 
C) stalactite 
D) sinkhole 
E) flowstone 
A) travertine 
B) stalagmite 
C) stalactite 
D) sinkhole 
E) flowstone

Question 10

What is the main importance of the Ogallala aquifer?

Accepted Answer

A) it feeds springs for the largest trout farms in the world 
B) it is an important source of irrigation 
C) it is an important source of coal and hydroelectric power 
D) radioactive waste has been buried along the eastern side and is leaking 
A) it feeds springs for the largest trout farms in the world 
B) it is an important source of irrigation 
C) it is an important source of coal and hydroelectric power 
D) radioactive waste has been buried along the eastern side and is leaking

Question 11

Most groundwater pumped in the United States is used for:

Accepted Answer

A) industry 
B) irrigation 
C) drinking water 
D) swimming pools 
A) industry 
B) irrigation 
C) drinking water 
D) swimming pools

Question 12

What rock type is the most common setting for caves formed by dissolution of a rock?

Accepted Answer

A) well-sorted sandstone 
B) gray limestone 
C) dark porous lava flows 
D) gray granite 
E) slate 
A) well-sorted sandstone 
B) gray limestone 
C) dark porous lava flows 
D) gray granite 
E) slate

Question 13

Which of the following is a valid statement with relevance to groundwater?

Accepted Answer

A) in most sediments,adjacent grains fit tightly together 
B) fractures are the main way groundwater moves through some rocks,such as granite 
C) most groundwater occurs in underground lakes 
D) most groundwater occurs in underground rivers 
E) all of these 
A) in most sediments,adjacent grains fit tightly together 
B) fractures are the main way groundwater moves through some rocks,such as granite 
C) most groundwater occurs in underground lakes 
D) most groundwater occurs in underground rivers 
E) all of these

Question 14

Where on this cross section would water at the surface infiltrate to become groundwater?

Accepted Answer

A) 1,2,and 3 
B) 1 and 3 
C) 2 and 4 
D) 2 only 
E) 4 only 
A) 1,2,and 3 
B) 1 and 3 
C) 2 and 4 
D) 2 only 
E) 4 only

Question 15

What does the hydrologic cycle reference?

Accepted Answer

A) seawater that is drawn into mid-ocean ridges,heated,and rises to the surface 
B) water that is heated by magma and rises in hot springs 
C) the rising and falling of tides in a cyclical manner 
D) the way water is used to generate electrical energy 
E) none of these 
A) seawater that is drawn into mid-ocean ridges,heated,and rises to the surface 
B) water that is heated by magma and rises in hot springs 
C) the rising and falling of tides in a cyclical manner 
D) the way water is used to generate electrical energy 
E) none of these

Question 16

What is the most common way in which sinkholes form?

Accepted Answer

A) a small explosion of methane gas from coal beds 
B) a small explosion of CO2 gas from dissolving limestone 
C) a rising dome of salt finally reaches the surface 
D) the roof of a cave collapses 
A) a small explosion of methane gas from coal beds 
B) a small explosion of CO2 gas from dissolving limestone 
C) a rising dome of salt finally reaches the surface 
D) the roof of a cave collapses

Question 17

Which of the following is NOT a possible source of water contamination?

Accepted Answer

A) dry cleaners 
B) farms 
C) rocks that have been mineralized by natural processes but not mined 
D) houses 
E) all of these are possible sources of contamination 
A) dry cleaners 
B) farms 
C) rocks that have been mineralized by natural processes but not mined 
D) houses 
E) all of these are possible sources of contamination

Question 18

Which of the following is a valid statement with relevance to groundwater?

Accepted Answer

A) In most sediments,adjacent grains fit tightly together. 
B) Fractures are the main way groundwater moves through some rocks,such as granite. 
C) Most groundwater occurs in caves and underground lakes. 
D) None of these. 
A) In most sediments,adjacent grains fit tightly together. 
B) Fractures are the main way groundwater moves through some rocks,such as granite. 
C) Most groundwater occurs in caves and underground lakes. 
D) None of these.

Question 19

Which of the following materials probably has the lowest permeability?

Accepted Answer

A) highly fractured granite 
B) compacted clay with abundant tiny pore spaces 
C) loosely cemented,well-sorted sediment 
D) loosely cemented,well-rounded sand grains 
A) highly fractured granite 
B) compacted clay with abundant tiny pore spaces 
C) loosely cemented,well-sorted sediment 
D) loosely cemented,well-rounded sand grains

Question 20

Which two uses consume most freshwater in the United States?

Accepted Answer

A) drinking water and showering 
B) mining and raising livestock 
C) irrigation and drinking water 
D) mining and industrial use 
E) thermoelectric power and irrigation 
A) drinking water and showering 
B) mining and raising livestock 
C) irrigation and drinking water 
D) mining and industrial use 
E) thermoelectric power and irrigation

This cross section shows the location of 5 wells and the water table? Which well is most likely to be an artesian well?

In a material that holds groundwater,porosity:

What is a possible way to decrease permeability?

Why does a plume of contamination spread out (become wider)away from the source of contamination?

What is a possible consequence of overpumping of groundwater?

Which of these four lakes could be replenished by groundwater?

Groundwater velocity (the rate of movement of ground water)is most strongly influenced by which of the following factors?

Which of the following materials has high porosity and high permeability?

Which of the following features is formed by the collapse of caves?

What is the main importance of the Ogallala aquifer?

Most groundwater pumped in the United States is used for:

What rock type is the most common setting for caves formed by dissolution of a rock?

Which of the following is a valid statement with relevance to groundwater?

Where on this cross section would water at the surface infiltrate to become groundwater?

What does the hydrologic cycle reference?

What is the most common way in which sinkholes form?

Which of the following is NOT a possible source of water contamination?

Which of the following is a valid statement with relevance to groundwater?

Which of the following materials probably has the lowest permeability?

Which two uses consume most freshwater in the United States?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

The Seafloor and Continental Margins

Mountains, basins, and Continents

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

Energy and Mineral Resources

Geology of the Solar System

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Exam 17: Water Resources

This cross section shows the location of 5 wells and the water table? Which well is most likely to be an artesian well?

In a material that holds groundwater,porosity:

What is a possible way to decrease permeability?

Why does a plume of contamination spread out (become wider)away from the source of contamination?

What is a possible consequence of overpumping of groundwater?

Which of these four lakes could be replenished by groundwater?

Groundwater velocity (the rate of movement of ground water)is most strongly influenced by which of the following factors?

Which of the following materials has high porosity and high permeability?

Which of the following features is formed by the collapse of caves?

What is the main importance of the Ogallala aquifer?

Most groundwater pumped in the United States is used for:

What rock type is the most common setting for caves formed by dissolution of a rock?

Which of the following is a valid statement with relevance to groundwater?

Where on this cross section would water at the surface infiltrate to become groundwater?

What does the hydrologic cycle reference?

What is the most common way in which sinkholes form?

Which of the following is NOT a possible source of water contamination?

Which of the following is a valid statement with relevance to groundwater?

Which of the following materials probably has the lowest permeability?

Which two uses consume most freshwater in the United States?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

The Seafloor and Continental Margins

Mountains, basins, and Continents

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

Energy and Mineral Resources

Geology of the Solar System

Filters