Question 1

Collapse of the roof of a cave can produce a:

Accepted Answer

A)  sinkhole 
B)  stalagmite 
C)  caldera 
D)  travertine formation 
E)  stalactite 
A)  sinkhole 
B)  stalagmite 
C)  caldera 
D)  travertine formation 
E)  stalactite

Question 2

The slope of a water table is also called the:

Accepted Answer

A)  hydraulic gradient 
B)  groundwater divide 
C)  aquifer divide 
D)  groundwater gradient 
A)  hydraulic gradient 
B)  groundwater divide 
C)  aquifer divide 
D)  groundwater gradient

Question 3

Using the figure shown of a contour map of groundwater locations, determine the general direction of the groundwater flow.

Accepted Answer

A)  South 
B)  North 
C)  East 
D)  West 
A)  South 
B)  North 
C)  East 
D)  West

Question 4

If a well has a cone of depression associated with it because of overpumping of the groundwater, what is a possible consequence?

Accepted Answer

A)  Groundwater, which may contain pollutants, will flow toward the cone of depression and cause a polluted well. 
B)  Groundwater, which may contain pollutants, will flow away from the cone of depression and the well will be safe from pollution. 
C)  Any pollutants in the flowing groundwater will be filtered out before reaching the cone of depression. 
A)  Groundwater, which may contain pollutants, will flow toward the cone of depression and cause a polluted well. 
B)  Groundwater, which may contain pollutants, will flow away from the cone of depression and the well will be safe from pollution. 
C)  Any pollutants in the flowing groundwater will be filtered out before reaching the cone of depression.

Question 5

Which of the sites on this cross section would be the most likely place for a spring?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 6

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 7

Which of the following would NOT be a preferred characteristic of a good aquifer?

Accepted Answer

A)  high permeability 
B)  high porosity 
C)  unsaturated pores 
D)  all of these 
A)  high permeability 
B)  high porosity 
C)  unsaturated pores 
D)  all of these

Question 8

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 9

Which of the following materials has low to moderate porosity but high permeability?

Accepted Answer

A)  fractured granite 
B)  compacted clays 
C)  uncompacted clays 
D)  well-sorted sediment 
A)  fractured granite 
B)  compacted clays 
C)  uncompacted clays 
D)  well-sorted sediment

Question 10

Using the graph below, which point letter) represents the strongest signal for strength of gravity?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 11

Each number on this figure refers to a location with groundwater in a subsurface material that is consistent in character across the entire figure. Of these locations, which would likely have the fastest groundwater flow?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 12

Which of the following is most similar in volume to an acre-foot of water?

Accepted Answer

A)  20 million gallons 
B)  9 football fields covered with one-tenth of a foot of water 
C)  an acre covered with 3 feet 1 meter) of water 
D)  a square mile covered with 1 foot of water 
A)  20 million gallons 
B)  9 football fields covered with one-tenth of a foot of water 
C)  an acre covered with 3 feet 1 meter) of water 
D)  a square mile covered with 1 foot of water

Question 13

Which of the following materials probably has the highest porosity?

Accepted Answer

A)  dry, uncompacted clay particles 
B)  granite with few fractures but very large crystals 
C)  a limestone that has a few percent open cavities 
D)  poorly sorted sediment 
A)  dry, uncompacted clay particles 
B)  granite with few fractures but very large crystals 
C)  a limestone that has a few percent open cavities 
D)  poorly sorted sediment

Question 14

Many caves form below the water table. In addition, dissolution of groundwater over millions of years can create caves and caverns in:

Accepted Answer

A)  limestone 
B)  granite 
C)  magma 
A)  limestone 
B)  granite 
C)  magma

Question 15

Which of the following are sources of groundwater contaminates?

Accepted Answer

A)  landfills 
B)  service stations 
C)  ranches 
D)  all of these 
A)  landfills 
B)  service stations 
C)  ranches 
D)  all of these

Question 16

Which of the following geologic materials usually has the highest permeability?

Accepted Answer

A)  Loosely cemented gravel and sand 
B)  Shales and similar types of rocks 
C)  Vesicular volcanic rock 
A)  Loosely cemented gravel and sand 
B)  Shales and similar types of rocks 
C)  Vesicular volcanic rock

Question 17

Which of the following are settings where surface water becomes groundwater?

Accepted Answer

A)  a spring 
B)  a river that is higher than the water table 
C)  where an impermeable unit lies at the surface 
D)  all of these 
E)  none of these 
A)  a spring 
B)  a river that is higher than the water table 
C)  where an impermeable unit lies at the surface 
D)  all of these 
E)  none of these

Question 18

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 19

Which of these numbered features contains the least amount of Earth's water?

Accepted Answer

A)  1-ocean 
B)  2-atmosphere 
C)  3-glaciers and ice sheets 
D)  4-groundwater 
E)  5-lakes 
A)  1-ocean 
B)  2-atmosphere 
C)  3-glaciers and ice sheets 
D)  4-groundwater 
E)  5-lakes

Question 20

Which of the following features is NOT formed by precipitation of calcite from water?

Accepted Answer

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

Collapse of the roof of a cave can produce a:

The slope of a water table is also called the:

Using the figure shown of a contour map of groundwater locations, determine the general direction of the groundwater flow.

If a well has a cone of depression associated with it because of overpumping of the groundwater, what is a possible consequence?

Which of the sites on this cross section would be the most likely place for a spring?

Which of the following materials probably has the lowest permeability?

Which of the following would NOT be a preferred characteristic of a good aquifer?

What is a possible way to decrease permeability?

Which of the following materials has low to moderate porosity but high permeability?

Using the graph below, which point letter) represents the strongest signal for strength of gravity?

Each number on this figure refers to a location with groundwater in a subsurface material that is consistent in character across the entire figure. Of these locations, which would likely have the fastest groundwater flow?

Which of the following is most similar in volume to an acre-foot of water?

Which of the following materials probably has the highest porosity?

Many caves form below the water table. In addition, dissolution of groundwater over millions of years can create caves and caverns in:

Which of the following are sources of groundwater contaminates?

Which of the following geologic materials usually has the highest permeability?

Which of the following are settings where surface water becomes groundwater?

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

Which of these numbered features contains the least amount of Earth's water?

Which of the following features is NOT formed by precipitation of calcite from water?

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

Exam 17: Water Resources

Collapse of the roof of a cave can produce a:

The slope of a water table is also called the:

Using the figure shown of a contour map of groundwater locations, determine the general direction of the groundwater flow.

If a well has a cone of depression associated with it because of overpumping of the groundwater, what is a possible consequence?

Which of the sites on this cross section would be the most likely place for a spring?

Which of the following materials probably has the lowest permeability?

Which of the following would NOT be a preferred characteristic of a good aquifer?

What is a possible way to decrease permeability?

Which of the following materials has low to moderate porosity but high permeability?

Using the graph below, which point letter) represents the strongest signal for strength of gravity?

Each number on this figure refers to a location with groundwater in a subsurface material that is consistent in character across the entire figure. Of these locations, which would likely have the fastest groundwater flow?

Which of the following is most similar in volume to an acre-foot of water?

Which of the following materials probably has the highest porosity?

Many caves form below the water table. In addition, dissolution of groundwater over millions of years can create caves and caverns in:

Which of the following are sources of groundwater contaminates?

Which of the following geologic materials usually has the highest permeability?

Which of the following are settings where surface water becomes groundwater?

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

Which of these numbered features contains the least amount of Earth's water?

Which of the following features is NOT formed by precipitation of calcite from water?

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