Question 1

Which of these four lakes could only exist if they if they received water from precipitation or runoff from the land?

Accepted Answer

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

Question 2

When groundwater is carrying dissolved limestone and that groundwater flows onto the surface, what is formed?

Accepted Answer

A)  travertine 
B)  flowstone 
C)  sinkholes 
D)  caves 
A)  travertine 
B)  flowstone 
C)  sinkholes 
D)  caves

Question 3

This diagram shows a place underlain by uniform materials. What is the approximate average gradient slope) of the water table in this location? The vertical exaggeration on this diagram is 10x.

Accepted Answer

A)  less than 20 m/km 
B)  20 m/km 
C)  100 m/km 
D)  200 m/km
  
A)  less than 20 m/km 
B)  20 m/km 
C)  100 m/km 
D)  200 m/km

Question 4

Under what conditions is it possible for a material to have both high porosity and low permeability?

Accepted Answer

A)  it is not possible to have both high porosity and low permeability 
B)  it is possible only if the rock is a sandstone 
C)  it is possible only if the rock is a granite 
D)  it is possible if the void spaces are very small or are not well connected 
A)  it is not possible to have both high porosity and low permeability 
B)  it is possible only if the rock is a sandstone 
C)  it is possible only if the rock is a granite 
D)  it is possible if the void spaces are very small or are not well connected

Question 5

In which of these settings would a river or lake lose water to groundwater?

Accepted Answer

A)  where the water table adjacent to the river is higher than the river 
B)  where a lake is directly underlain by an impermeable layer 
C)  where a river flows across an area where the water table is beneath the surface 
D)  none of these 
A)  where the water table adjacent to the river is higher than the river 
B)  where a lake is directly underlain by an impermeable layer 
C)  where a river flows across an area where the water table is beneath the surface 
D)  none of these

Question 6

This diagram shows a place underlain by uniform materials. Wells have been dug at A and B. Testing has shown the flow of groundwater to be 4 km/yr. If the people at A dump a pesticide into their well, how long will it probably take before well B becomes contaminated? The vertical exaggeration on this diagram is 10x.

Accepted Answer

A)  1 year 
B)  2 years 
C)  4 years 
D)  10 years
  
A)  1 year 
B)  2 years 
C)  4 years 
D)  10 years

Question 7

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 8

The arrows drawn perpendicularly to the contour lines on the contour map shown indicate the direction of the groundwater flow. In this example the groundwater is:

Accepted Answer

A)  flowing down the slope of the water table from higher contours to lower ones 
B)  flowing up the slope of the water table from lower contours to higher contours 
C)  flowing parallel to the slope of the water table from lower contours to higher contours 
A)  flowing down the slope of the water table from higher contours to lower ones 
B)  flowing up the slope of the water table from lower contours to higher contours 
C)  flowing parallel to the slope of the water table from lower contours to higher contours

Question 9

Which sequence of events is required to form a limestone cave where you can walk around and observe cave formations, such as stalactites?

Accepted Answer

A)  limestone is below the water table, then lowering of the water table, then water dripping from the ceiling 
B)  lowering of the water table, then water dripping from the ceiling, then limestone is below the water table 
C)  water dripping from the ceiling, then lowering of the water table, then limestone is below the water table 
D)  none of these 
A)  limestone is below the water table, then lowering of the water table, then water dripping from the ceiling 
B)  lowering of the water table, then water dripping from the ceiling, then limestone is below the water table 
C)  water dripping from the ceiling, then lowering of the water table, then limestone is below the water table 
D)  none of these

Question 10

Which of these numbered features contains most of Earth's water?

Accepted Answer

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

Question 11

Limestone is primarily composed of:

Accepted Answer

A)  calcium carbonate 
B)  sodium chloride 
C)  silicon dioxide 
A)  calcium carbonate 
B)  sodium chloride 
C)  silicon dioxide

Question 12

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

Accepted Answer

A)  unfractured granite 
B)  uncompacted clays 
C)  limestone with caverns 
D)  well-sorted sand 
A)  unfractured granite 
B)  uncompacted clays 
C)  limestone with caverns 
D)  well-sorted sand

Question 13

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 two sites are on the opposite side of a groundwater divide?

Accepted Answer

A)  between 1 and 2 
B)  between 2 and 3 
C)  between 3 and 4 
D)  between 4 and 5 
E)  none of these 
A)  between 1 and 2 
B)  between 2 and 3 
C)  between 3 and 4 
D)  between 4 and 5 
E)  none of these

Question 14

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 15

This map shows elevations of the water table beneath an area. The water table slopes toward the:

Accepted Answer

A)  south 
B)  north 
C)  northeast 
D)  northwest 
A)  south 
B)  north 
C)  northeast 
D)  northwest

Question 16

What is the main way groundwater accumulates?

Accepted Answer

A)  seawater in the oceans loses its salt via the process of saltation 
B)  magma releases water as part of the hydrologic cycle 
C)  precipitation and surface water infiltrate through the upper layers of soil 
D)  plants release water and carbon dioxide through their roots 
A)  seawater in the oceans loses its salt via the process of saltation 
B)  magma releases water as part of the hydrologic cycle 
C)  precipitation and surface water infiltrate through the upper layers of soil 
D)  plants release water and carbon dioxide through their roots

Question 17

When contamination enters groundwater it typically:

Accepted Answer

A)  moves along with the flowing groundwater down the slope of the water table 
B)  moves directly through the groundwater from top to bottom 
C)  moves across the flowing groundwater in a perpendicular fashion 
A)  moves along with the flowing groundwater down the slope of the water table 
B)  moves directly through the groundwater from top to bottom 
C)  moves across the flowing groundwater in a perpendicular fashion

Question 18

What is a possible way to increase permeability?

Accepted Answer

A)  fracture the rock 
B)  fill the pores with a natural cement 
C)  compact a clay so that the particles are aligned 
D)  all of these 
A)  fracture the rock 
B)  fill the pores with a natural cement 
C)  compact a clay so that the particles are aligned 
D)  all of these

Question 19

How would this stream interact with groundwater?

Accepted Answer

A)  groundwater would flow into the stream, adding water 
B)  the stream would lose water as water in the stream flows sideways and up 
C)  the groundwater and stream water would not interact 
D)  the stream will only contain water if it is raining at that time 
A)  groundwater would flow into the stream, adding water 
B)  the stream would lose water as water in the stream flows sideways and up 
C)  the groundwater and stream water would not interact 
D)  the stream will only contain water if it is raining at that time

Question 20

Which of the following aquifers require a low permeability zone above it or below it?

Accepted Answer

A)  artesian aquifer 
B)  perched aquifer 
C)  confined aquifer 
D)  all of these 
A)  artesian aquifer 
B)  perched aquifer 
C)  confined aquifer 
D)  all of these

Which of these four lakes could only exist if they if they received water from precipitation or runoff from the land?

When groundwater is carrying dissolved limestone and that groundwater flows onto the surface, what is formed?

This diagram shows a place underlain by uniform materials. What is the approximate average gradient slope) of the water table in this location? The vertical exaggeration on this diagram is 10x.

Under what conditions is it possible for a material to have both high porosity and low permeability?

In which of these settings would a river or lake lose water to groundwater?

What does the hydrologic cycle reference?

The arrows drawn perpendicularly to the contour lines on the contour map shown indicate the direction of the groundwater flow. In this example the groundwater is:

Which sequence of events is required to form a limestone cave where you can walk around and observe cave formations, such as stalactites?

Which of these numbered features contains most of Earth's water?

Limestone is primarily composed of:

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

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 two sites are on the opposite side of a groundwater divide?

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

This map shows elevations of the water table beneath an area. The water table slopes toward the:

What is the main way groundwater accumulates?

When contamination enters groundwater it typically:

What is a possible way to increase permeability?

How would this stream interact with groundwater?

Which of the following aquifers require a low permeability zone above it or below it?

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

Which of these four lakes could only exist if they if they received water from precipitation or runoff from the land?

When groundwater is carrying dissolved limestone and that groundwater flows onto the surface, what is formed?

This diagram shows a place underlain by uniform materials. What is the approximate average gradient slope) of the water table in this location? The vertical exaggeration on this diagram is 10x.

Under what conditions is it possible for a material to have both high porosity and low permeability?

In which of these settings would a river or lake lose water to groundwater?

What does the hydrologic cycle reference?

The arrows drawn perpendicularly to the contour lines on the contour map shown indicate the direction of the groundwater flow. In this example the groundwater is:

Which sequence of events is required to form a limestone cave where you can walk around and observe cave formations, such as stalactites?

Which of these numbered features contains most of Earth's water?

Limestone is primarily composed of:

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

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 two sites are on the opposite side of a groundwater divide?

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

This map shows elevations of the water table beneath an area. The water table slopes toward the:

What is the main way groundwater accumulates?

When contamination enters groundwater it typically:

What is a possible way to increase permeability?

How would this stream interact with groundwater?

Which of the following aquifers require a low permeability zone above it or below it?

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