Question 1

Which of the following materials probably has the lowest porosity?

Accepted Answer

A)  well sorted, fine-grained sediment 
B)  well sorted, coarse-grained sediment 
C)  unfractured granite 
D)  sand with well-rounded grains 
A)  well sorted, fine-grained sediment 
B)  well sorted, coarse-grained sediment 
C)  unfractured granite 
D)  sand with well-rounded grains

Question 2

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 3

How are springs affected by faulting?

Accepted Answer

A)  Faults provide a permeable pathway for groundwater movement to the surface. 
B)  Faults stop the flow of groundwater to the surface, as they usually form an impermeable layer. 
C)  Faults and springs are rarely found in the same geologic location. 
A)  Faults provide a permeable pathway for groundwater movement to the surface. 
B)  Faults stop the flow of groundwater to the surface, as they usually form an impermeable layer. 
C)  Faults and springs are rarely found in the same geologic location.

Question 4

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 5

Sediments in and below a dewatered area of an aquifer become compacted because:

Accepted Answer

A)  water pressure drops and the pore spaces are closed 
B)  water pressure increases and the pore spaces become too porous 
C)  water pressure remains the same but the pore spaces become clogged with new sediments 
A)  water pressure drops and the pore spaces are closed 
B)  water pressure increases and the pore spaces become too porous 
C)  water pressure remains the same but the pore spaces become clogged with new sediments

Question 6

Where is most of Earth's freshwater?

Accepted Answer

A)  ice caps, glaciers, and groundwater 
B)  groundwater and rivers 
C)  lakes and swamps 
D)  rivers and streams 
E)  oceans 
A)  ice caps, glaciers, and groundwater 
B)  groundwater and rivers 
C)  lakes and swamps 
D)  rivers and streams 
E)  oceans

Question 7

Which of these four numbered features on the surface or in a cave is a stalagmite?

Accepted Answer

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

Question 8

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 9

Of the following, which has the greatest total volume of water?

Accepted Answer

A)  the atmosphere 
B)  groundwater 
C)  ice caps and glaciers 
D)  rivers and lakes 
A)  the atmosphere 
B)  groundwater 
C)  ice caps and glaciers 
D)  rivers and lakes

Question 10

Which of the following is true about how a lake can relate to the water table?

Accepted Answer

A)  A lake that is above the water table may lose water to groundwater. 
B)  The water table intersects, or is higher than, the surface in many lakes. 
C)  A lake can gain water if it is lower than the water table in areas adjacent to the lake. 
D)  All of these. 
A)  A lake that is above the water table may lose water to groundwater. 
B)  The water table intersects, or is higher than, the surface in many lakes. 
C)  A lake can gain water if it is lower than the water table in areas adjacent to the lake. 
D)  All of these.

Question 11

What is the nature of the water table?

Accepted Answer

A)  it is the boundary between the saturated zone and unsaturated zone 
B)  below the water table, water fills pore spaces and can flow 
C)  infiltrating water generally passes through the water table to become groundwater 
D)  all of these 
E)  a and b only 
A)  it is the boundary between the saturated zone and unsaturated zone 
B)  below the water table, water fills pore spaces and can flow 
C)  infiltrating water generally passes through the water table to become groundwater 
D)  all of these 
E)  a and b only

Question 12

Which of the following is NOT true about the unsaturated zone?

Accepted Answer

A)  pore spaces in the unsaturated zone contain air with no water 
B)  it overlies the water table 
C)  it overlies the saturated zone 
D)  there is an unsaturated zone below some rivers 
A)  pore spaces in the unsaturated zone contain air with no water 
B)  it overlies the water table 
C)  it overlies the saturated zone 
D)  there is an unsaturated zone below some rivers

Question 13

The permeability of a rock layer on which perched water sits is:

Accepted Answer

A)  very low 
B)  very high 
C)  equal to the hydraulic gradient 
A)  very low 
B)  very high 
C)  equal to the hydraulic gradient

Question 14

In which of these four lakes is the water table above the land surface?

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 15

Which of the following is the best indication that limestone caves could be present at depth?

Accepted Answer

A)  springs 
B)  cliffs and overhangs along rivers 
C)  large quartz crystals laying on the surface 
D)  gently sloping hills 
E)  limestone pillars and sinkholes 
A)  springs 
B)  cliffs and overhangs along rivers 
C)  large quartz crystals laying on the surface 
D)  gently sloping hills 
E)  limestone pillars and sinkholes

Question 16

What is a possible way to decrease permeability?

Accepted Answer

A)  fracture a rock 
B)  compact sediment 
C)  have groundwater dissolve cement between the grains 
D)  all of these 
E)  none of these 
A)  fracture a rock 
B)  compact sediment 
C)  have groundwater dissolve cement between the grains 
D)  all of these 
E)  none of these

Question 17

The area of subsurface where the pore spaces are filled with water is called the

Accepted Answer

A)  unsaturated zone 
B)  saturated zone 
C)  water table 
A)  unsaturated zone 
B)  saturated zone 
C)  water table

Question 18

In the United States, which of the following uses the most water?

Accepted Answer

A)  Irrigation 
B)  Public and domestic use 
C)  Mining 
D)  Livestock 
A)  Irrigation 
B)  Public and domestic use 
C)  Mining 
D)  Livestock

Question 19

Which of the following is the leading cause of disease in Bangladesh?

Accepted Answer

A)  water contamination 
B)  saltwater intrusion 
C)  dewatered aquifers 
D)  the depth of the water table 
A)  water contamination 
B)  saltwater intrusion 
C)  dewatered aquifers 
D)  the depth of the water table

Question 20

When contamination enters groundwater, it moves along with the direction of the groundwater. The contamination takes on a particular shape called a:

Accepted Answer

A)  plume 
B)  cone of contamination 
C)  horizontal fissure 
A)  plume 
B)  cone of contamination 
C)  horizontal fissure

Which of the following materials probably has the lowest porosity?

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

How are springs affected by faulting?

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

Sediments in and below a dewatered area of an aquifer become compacted because:

Where is most of Earth's freshwater?

Which of these four numbered features on the surface or in a cave is a stalagmite?

Most groundwater pumped in the United States is used for:

Of the following, which has the greatest total volume of water?

Which of the following is true about how a lake can relate to the water table?

What is the nature of the water table?

Which of the following is NOT true about the unsaturated zone?

The permeability of a rock layer on which perched water sits is:

In which of these four lakes is the water table above the land surface?

Which of the following is the best indication that limestone caves could be present at depth?

What is a possible way to decrease permeability?

The area of subsurface where the pore spaces are filled with water is called the

In the United States, which of the following uses the most water?

Which of the following is the leading cause of disease in Bangladesh?

When contamination enters groundwater, it moves along with the direction of the groundwater. The contamination takes on a particular shape called a:

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments

Deformation and Metamorphism

Geologic Time

Seafloor and Continental Margins

Mountains, Basins, and Continents

Earthquakes and Earths Interior

Climate and Weathering

Glaciers, Shorelines, and Changing Sea Levels

Weathering, Soil, and Unstable Slopes

Streams and Flooding

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Exam 17: Water Resources

Which of the following materials probably has the lowest porosity?

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

How are springs affected by faulting?

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

Sediments in and below a dewatered area of an aquifer become compacted because:

Where is most of Earth's freshwater?

Which of these four numbered features on the surface or in a cave is a stalagmite?

Most groundwater pumped in the United States is used for:

Of the following, which has the greatest total volume of water?

Which of the following is true about how a lake can relate to the water table?

What is the nature of the water table?

Which of the following is NOT true about the unsaturated zone?

The permeability of a rock layer on which perched water sits is:

In which of these four lakes is the water table above the land surface?

Which of the following is the best indication that limestone caves could be present at depth?

What is a possible way to decrease permeability?

The area of subsurface where the pore spaces are filled with water is called the

In the United States, which of the following uses the most water?

Which of the following is the leading cause of disease in Bangladesh?

When contamination enters groundwater, it moves along with the direction of the groundwater. The contamination takes on a particular shape called a:

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments

Deformation and Metamorphism

Geologic Time

Seafloor and Continental Margins

Mountains, Basins, and Continents

Earthquakes and Earths Interior

Climate and Weathering

Glaciers, Shorelines, and Changing Sea Levels

Weathering, Soil, and Unstable Slopes

Streams and Flooding

Energy and Mineral Resources

Geology of the Solar System

Filters