Question 1

When water is quickly produced from a well, locally the water table and aquifer experience

Accepted Answer

A)  drawdown 
B)  artificial insemination 
C)  decreased flow velocity towards the well 
D)  artesian flow 
A)  drawdown 
B)  artificial insemination 
C)  decreased flow velocity towards the well 
D)  artesian flow

Question 2

Which of the following geologic materials would have the highest groundwater velocities and be least effective in removing unwanted pollutants from the water?

Accepted Answer

A)  limestone with numerous solution channels and fractures widened by dissolution 
B)  sandstone; well- cemented with a few, widely spaced vertical fractures 
C)  a sandy loam soil with high organic carbon content 
D)  lakebeds consisting of unconsolidated very fine- grained sand and silt 
A)  limestone with numerous solution channels and fractures widened by dissolution 
B)  sandstone; well- cemented with a few, widely spaced vertical fractures 
C)  a sandy loam soil with high organic carbon content 
D)  lakebeds consisting of unconsolidated very fine- grained sand and silt

Question 3

An artesian well is one in which .

Accepted Answer

A)  the well is horizontal and the water table is perched 
B)  water rises above the top of the aquifer without any pumping 
C)  pressurized groundwater rises from a deep, unsaturated aquifer 
D)  the water is warm, fairly saline, and recharged by an affluent stream 
A)  the well is horizontal and the water table is perched 
B)  water rises above the top of the aquifer without any pumping 
C)  pressurized groundwater rises from a deep, unsaturated aquifer 
D)  the water is warm, fairly saline, and recharged by an affluent stream

Question 4

Under most conditions, groundwater moves .

Accepted Answer

A)  only between rainstorms by drainage 
B)  very little as most of it is stagnant and all at a single level 
C)  very quickly as it flows predominantly in open cavernous underground rivers 
D)  at slow but variable rates generally less than a few metres per day 
A)  only between rainstorms by drainage 
B)  very little as most of it is stagnant and all at a single level 
C)  very quickly as it flows predominantly in open cavernous underground rivers 
D)  at slow but variable rates generally less than a few metres per day

Question 5

account for the largest usage of groundwater in North America.

Accepted Answer

A)  Industrial uses 
B)  Water for livestock and poultry 
C)  Agriculture and irrigation 
D)  Domestic and municipal supplies 
A)  Industrial uses 
B)  Water for livestock and poultry 
C)  Agriculture and irrigation 
D)  Domestic and municipal supplies

Question 6

Where does the majority of groundwater originate?

Accepted Answer

A)  by primordial outgassing from magmatic intrusions 
B)  by infiltration from precipitation that falls on the land 
C)  released from minerals undergoing diagenetic and metamorphic dehydration reactions 
D)  it was deposited along with the sediments that contain it 
A)  by primordial outgassing from magmatic intrusions 
B)  by infiltration from precipitation that falls on the land 
C)  released from minerals undergoing diagenetic and metamorphic dehydration reactions 
D)  it was deposited along with the sediments that contain it

Question 7

Which of the following can logically be concluded by speleothems/dripstone hanging from a cave roof?

Accepted Answer

A)  The cave roof was below the water table when the speleothems formed. 
B)  The cave roof was below the water table sometime after the speleothems had formed. 
C)  The cave floor was above the water table, and the roof was below the water table when the speleothems formed. 
D)  The cave roof was above the water table when the speleothems formed. 
A)  The cave roof was below the water table when the speleothems formed. 
B)  The cave roof was below the water table sometime after the speleothems had formed. 
C)  The cave floor was above the water table, and the roof was below the water table when the speleothems formed. 
D)  The cave roof was above the water table when the speleothems formed.

Question 8

The mechanical removal or diminution of unwanted substances such as bacteria, viruses, or mineral turbidity from groundwater is termed .

Accepted Answer

A)  dolomitization 
B)  aqua- cleansing 
C)  filtration 
D)  derriereation 
A)  dolomitization 
B)  aqua- cleansing 
C)  filtration 
D)  derriereation

Question 9

In a uniformly porous and permeable material, groundwater tends to flow along curved paths

Accepted Answer

A)  as a compromise between the downwards pull of gravity and movement towards areas of lower pressure 
B)  because this is the shape of the overlying land 
C)  because this is the shape of most sedimentary bodies 
D)  because this is the shortest distance between recharge and discharge 
A)  as a compromise between the downwards pull of gravity and movement towards areas of lower pressure 
B)  because this is the shape of the overlying land 
C)  because this is the shape of most sedimentary bodies 
D)  because this is the shortest distance between recharge and discharge

Question 10

What proportion of groundwater in the US and western Canada is used for agricultural irrigation (center- spot, commercial greenhouses, golf courses)?

Accepted Answer

A)  0- 5% 
B)  > 65% 
C)  15- 25% 
D)  45- 55% 
A)  0- 5% 
B)  > 65% 
C)  15- 25% 
D)  45- 55%

Question 11

Most hot springs that are just a little warmer than mean annual temperature (6°- 9°C) acquire their heat .

Accepted Answer

A)  because most of the groundwater is millions of years old from when the Earth's climate was warmer 
B)  because there are young intrusions everywhere at depth, always warming up the crust 
C)  by deep circulation through progressively warmer rocks at depth (~2°C per 100 m) 
D)  because most of the recharge from rainfall is in the warmer summer months 
A)  because most of the groundwater is millions of years old from when the Earth's climate was warmer 
B)  because there are young intrusions everywhere at depth, always warming up the crust 
C)  by deep circulation through progressively warmer rocks at depth (~2°C per 100 m) 
D)  because most of the recharge from rainfall is in the warmer summer months

Question 12

Which common, rock- forming mineral or mineral group is most readily dissolved by groundwater?

Accepted Answer

A)  calcite 
B)  feldspars 
C)  clay minerals 
D)  quartz 
A)  calcite 
B)  feldspars 
C)  clay minerals 
D)  quartz

Question 13

Of the choices listed below, which would make the best aquitard?

Accepted Answer

A)  granite 
B)  clay 
C)  sand 
D)  basalt 
A)  granite 
B)  clay 
C)  sand 
D)  basalt

Question 14

In Jules Verne's classic tale "Journey to the Centre of the Earth", how did the explorers return to the surface?

Accepted Answer

A)  by riding up in a geyser 
B)  by riding on the back of a pterodactyl 
C)  by climbing up a volcano's vent 
D)  by riding up an artesian well 
A)  by riding up in a geyser 
B)  by riding on the back of a pterodactyl 
C)  by climbing up a volcano's vent 
D)  by riding up an artesian well

Question 15

The water table is .

Accepted Answer

A)  a flat underground layer of partly saturated rock 
B)  a boundary between unsaturated bedrock below and saturated bedrock above 
C)  a boundary between saturated soil/rock below and unsaturated soil/rock above 
D)  a boundary between unsaturated bedrock and an underground river 
A)  a flat underground layer of partly saturated rock 
B)  a boundary between unsaturated bedrock below and saturated bedrock above 
C)  a boundary between saturated soil/rock below and unsaturated soil/rock above 
D)  a boundary between unsaturated bedrock and an underground river

Question 16

Which would have the highest porosity?

Accepted Answer

A)  a mixture of well rounded sand and gravel particles 
B)  unfractured crystalline limestone 
C)  angular gravel of variable sizes 
D)  a uniform sized, well rounded sand 
A)  a mixture of well rounded sand and gravel particles 
B)  unfractured crystalline limestone 
C)  angular gravel of variable sizes 
D)  a uniform sized, well rounded sand

Question 17

The term karst topography was first used in .

Accepted Answer

A)  eastern Canada in areas of fractured igneous and metamorphic rocks 
B)  India near the southern foothills of the Himalayan Mountains 
C)  Australia for the extremely dry interior area near Alice Springs 
D)  the Republic of Slovenia 
A)  eastern Canada in areas of fractured igneous and metamorphic rocks 
B)  India near the southern foothills of the Himalayan Mountains 
C)  Australia for the extremely dry interior area near Alice Springs 
D)  the Republic of Slovenia

Question 18

Which one of the following statements is true for an artesian aquifer?

Accepted Answer

A)  In deep, stream- cut valleys, many springs are fed from artesian aquifers. 
B)  Upward flow from a permeable aquitard is prevented by a confining aquifer. 
C)  The water table in the recharge area is at a higher elevation than the top of the aquifer in the subsurface. 
D)  The pressure at any point in the aquifer is considerably less than the weight of the water column between the point and the top of the aquifer. 
A)  In deep, stream- cut valleys, many springs are fed from artesian aquifers. 
B)  Upward flow from a permeable aquitard is prevented by a confining aquifer. 
C)  The water table in the recharge area is at a higher elevation than the top of the aquifer in the subsurface. 
D)  The pressure at any point in the aquifer is considerably less than the weight of the water column between the point and the top of the aquifer.

Question 19

Which of the following describes the configuration of an unconfined water table around a pumping well?

Accepted Answer

A)  a bad impression 
B)  cone of depression 
C)  inverted cone head 
D)  depression withdrawal 
A)  a bad impression 
B)  cone of depression 
C)  inverted cone head 
D)  depression withdrawal

Question 20

Which one of the following is not a speleothem?

Accepted Answer

A)  dripstone 
B)  geyserite 
C)  stalactite 
D)  stalagmite 
A)  dripstone 
B)  geyserite 
C)  stalactite 
D)  stalagmite

When water is quickly produced from a well, locally the water table and aquifer experience

Which of the following geologic materials would have the highest groundwater velocities and be least effective in removing unwanted pollutants from the water?

An artesian well is one in which .

Under most conditions, groundwater moves .

account for the largest usage of groundwater in North America.

Where does the majority of groundwater originate?

Which of the following can logically be concluded by speleothems/dripstone hanging from a cave roof?

The mechanical removal or diminution of unwanted substances such as bacteria, viruses, or mineral turbidity from groundwater is termed .

In a uniformly porous and permeable material, groundwater tends to flow along curved paths

What proportion of groundwater in the US and western Canada is used for agricultural irrigation (center- spot, commercial greenhouses, golf courses)?

Most hot springs that are just a little warmer than mean annual temperature (6°- 9°C) acquire their heat .

Which common, rock- forming mineral or mineral group is most readily dissolved by groundwater?

Of the choices listed below, which would make the best aquitard?

In Jules Verne's classic tale "Journey to the Centre of the Earth", how did the explorers return to the surface?

The water table is .

Which would have the highest porosity?

The term karst topography was first used in .

Which one of the following statements is true for an artesian aquifer?

Which of the following describes the configuration of an unconfined water table around a pumping well?

Which one of the following is not a speleothem?

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 8: Geologic Time

When water is quickly produced from a well, locally the water table and aquifer experience

Which of the following geologic materials would have the highest groundwater velocities and be least effective in removing unwanted pollutants from the water?

An artesian well is one in which .

Under most conditions, groundwater moves .

account for the largest usage of groundwater in North America.

Where does the majority of groundwater originate?

Which of the following can logically be concluded by speleothems/dripstone hanging from a cave roof?

The mechanical removal or diminution of unwanted substances such as bacteria, viruses, or mineral turbidity from groundwater is termed .

In a uniformly porous and permeable material, groundwater tends to flow along curved paths

What proportion of groundwater in the US and western Canada is used for agricultural irrigation (center- spot, commercial greenhouses, golf courses)?

Most hot springs that are just a little warmer than mean annual temperature (6°- 9°C) acquire their heat .

Which common, rock- forming mineral or mineral group is most readily dissolved by groundwater?

Of the choices listed below, which would make the best aquitard?

In Jules Verne's classic tale "Journey to the Centre of the Earth", how did the explorers return to the surface?

The water table is .

Which would have the highest porosity?

The term karst topography was first used in .

Which one of the following statements is true for an artesian aquifer?

Which of the following describes the configuration of an unconfined water table around a pumping well?

Which one of the following is not a speleothem?

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters