Question 1

What happens when water is withdrawn from an aquifer faster than it can be recharged?

Accepted Answer

A) The water table becomes lower. 
B) The water table remains stable. 
C) The water table rises. 
D) The lenses of salt water intrude on top of fresh groundwater. 
E) A drought occurs. 
A) The water table becomes lower. 
B) The water table remains stable. 
C) The water table rises. 
D) The lenses of salt water intrude on top of fresh groundwater. 
E) A drought occurs.

Question 2

Which of the following is most permeable?

Accepted Answer

A) sand 
B) soil 
C) gravel 
D) silt 
E) clay 
A) sand 
B) soil 
C) gravel 
D) silt 
E) clay

Question 3

The most immediate source of groundwater is ____.

Accepted Answer

A) the oceans 
B) lakes 
C) rivers and streams 
D) precipitation 
E) runoff 
A) the oceans 
B) lakes 
C) rivers and streams 
D) precipitation 
E) runoff

Question 4

Groundwater under high fluid pressure is called a(n)____________________ system. It is confined by rock bodies called ____________________.

Accepted Answer

artesian,

Question 5

Groundwater moves ____.

Accepted Answer

A) only when experiencing recharge 
B) in ways that are unpredictable 
C) only in a downward direction 
D) from areas of low pressure to high pressure 
E) from areas of high pressure to low pressure 
A) only when experiencing recharge 
B) in ways that are unpredictable 
C) only in a downward direction 
D) from areas of low pressure to high pressure 
E) from areas of high pressure to low pressure

Question 6

A controversial new technology called ____________________ involves injecting high-pressure fluids into rock formations to extract oil and gas.

Accepted Answer

hydraulic

Question 7

The addition of water to the zone of saturation is known as ____________________.

Accepted Answer

The answer of The addition of water to the zone...

Question 8

Artesian-pressure surfaces slope because ____.

Accepted Answer

A) of friction 
B) of gravity 
C) the aquifer slopes 
D) of the overlying aquicludes 
E) the amount of recharge varies 
A) of friction 
B) of gravity 
C) the aquifer slopes 
D) of the overlying aquicludes 
E) the amount of recharge varies

Question 9

The zone of saturation extends to an indefinite depth.

Accepted Answer

A) True 
 B)False

Question 10

What is contaminated groundwater so difficult to clean?

Accepted Answer

A) Groundwater moves so quickly. 
B) Groundwater does not move at all. 
C) Groundwater moves so slowly. 
D) Subsidence pushes the contamination deeper underground. 
E) Septic systems are so common. 
A) Groundwater moves so quickly. 
B) Groundwater does not move at all. 
C) Groundwater moves so slowly. 
D) Subsidence pushes the contamination deeper underground. 
E) Septic systems are so common.

Question 11

Artesian wells flow freely when the ____.

Accepted Answer

A) wellhead is below the zone of aeration 
B) wellhead is above the zone of aeration 
C) wellhead is below the artesian pressure surface. 
D) wellhead is below the artesian pressure surface 
E) artesian aquifer experiences subsidence 
A) wellhead is below the zone of aeration 
B) wellhead is above the zone of aeration 
C) wellhead is below the artesian pressure surface. 
D) wellhead is below the artesian pressure surface 
E) artesian aquifer experiences subsidence

Question 12

Artesian aquifers from under a very specific set of conditions. What three conditions must be present for an artesian system to develop?

Accepted Answer

1. The aquifer must be bounded

Question 13

Compare the performance of clay and sandstone as aquiclude materials in terms of porosity and permeability.

Accepted Answer

Clay would be an excellent material from

Question 14

A poorly sorted porous rock\sediment is as permeable as a well-sorted porous rock\sediment.

Accepted Answer

A) True 
 B)False

Question 15

What is the average rate of groundwater flow?

Accepted Answer

A) a few kilometers a day 
B) a few meters a day 
C) a few centimeters a day 
D) a few millimeters a day 
E) imperceptible 
A) a few kilometers a day 
B) a few meters a day 
C) a few centimeters a day 
D) a few millimeters a day 
E) imperceptible

Question 16

Why do karst landscapes not form in areas underlain by igneous rocks, but instead, form in areas underlain by limestone?

Accepted Answer

Igneous rocks are more resistant to chem

Question 17

Which statement about caves is false?

Accepted Answer

A) They form underwater. 
B) They are formed by deposition of calcium carbonate. 
C) They form naturally and are open to the surface. 
D) The majority of caves are small. 
E) They are commonly found in regions with karst topography. 
A) They form underwater. 
B) They are formed by deposition of calcium carbonate. 
C) They form naturally and are open to the surface. 
D) The majority of caves are small. 
E) They are commonly found in regions with karst topography.

Question 18

Which statement about arsenic is false?

Accepted Answer

A) It is odorless and tasteless. 
B) It contaminates groundwater via natural processes. 
C) It harms the nervous system and may cause birth defects. 
D) Reducing the amount of arsenic in water will increase the cost of water. 
E) Arsenic concentrations are uniform across the U.S. 
A) It is odorless and tasteless. 
B) It contaminates groundwater via natural processes. 
C) It harms the nervous system and may cause birth defects. 
D) Reducing the amount of arsenic in water will increase the cost of water. 
E) Arsenic concentrations are uniform across the U.S.

Question 19

Rounded depressions common in regions having limestone bedrock are known as ____________________.

Accepted Answer

The answer of Rounded depressions common in regions having limestone...

Question 20

What is an example of a rock\sediment type that could be an effective aquiclude?

Accepted Answer

A) quartz sandstone 
B) fractured granite 
C) gravel 
D) shale 
E) graywacke 
A) quartz sandstone 
B) fractured granite 
C) gravel 
D) shale 
E) graywacke

Exam 13: Groundwater

What happens when water is withdrawn from an aquifer faster than it can be recharged?

Which of the following is most permeable?

The most immediate source of groundwater is ____.

Groundwater under high fluid pressure is called a(n)____________________ system. It is confined by rock bodies called ____________________.

Groundwater moves ____.

A controversial new technology called ____________________ involves injecting high-pressure fluids into rock formations to extract oil and gas.

The addition of water to the zone of saturation is known as ____________________.

Artesian-pressure surfaces slope because ____.

The zone of saturation extends to an indefinite depth.

What is contaminated groundwater so difficult to clean?

Artesian wells flow freely when the ____.

Artesian aquifers from under a very specific set of conditions. What three conditions must be present for an artesian system to develop?

Compare the performance of clay and sandstone as aquiclude materials in terms of porosity and permeability.

A poorly sorted porous rock\sediment is as permeable as a well-sorted porous rock\sediment.

What is the average rate of groundwater flow?

Why do karst landscapes not form in areas underlain by igneous rocks, but instead, form in areas underlain by limestone?

Which statement about caves is false?

Which statement about arsenic is false?

Rounded depressions common in regions having limestone bedrock are known as ____________________.

What is an example of a rock\sediment type that could be an effective aquiclude?

Understanding Earth: a Dynamic and Evolving Planet

Plate Tectonics: a Unifying Theory

Minerals: The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earthapos;s Interior

Deformation, Mountain Building, and Earthapos;s Crust

Mass Wasting

Running Water--Streams and Rivers

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution--The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

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Groundwater under high fluid pressure is called a(n) system. It is confined by rock bodies called .