Question 1

Most of the water consumed in the United States is consumed by

Accepted Answer

A)  Agricultural Activities. 
B)  Thermoelectric power generation. 
C)  Municipal water supply systems. 
D)  Hydroelectric power generation. 
A)  Agricultural Activities. 
B)  Thermoelectric power generation. 
C)  Municipal water supply systems. 
D)  Hydroelectric power generation. A

Question 2

Solar-powered distillation of water

Accepted Answer

A)  Works even on very saline water, including seawater. 
B)  Is not energy-efficient. 
C)  Is very fast. 
D)  Requires the same amount of land area as any other method of water distillation. 
A)  Works even on very saline water, including seawater. 
B)  Is not energy-efficient. 
C)  Is very fast. 
D)  Requires the same amount of land area as any other method of water distillation. A

Question 3

Recharge of groundwater

Accepted Answer

A)  Is fast, so that ground water supplies are generally plentiful and consist of water that has been underground for only a few years. 
B)  Is slow, so that nearly all ground water has been underground millions of years. 
C)  Varies according to the geology and climate of the region and so groundwater may have been underground a few years (Karst regions) to 10,000 years or more (southwestern US
A) . 
D)  Is unpredictable. 
A)  Is fast, so that ground water supplies are generally plentiful and consist of water that has been underground for only a few years. 
B)  Is slow, so that nearly all ground water has been underground millions of years. 
C)  Varies according to the geology and climate of the region and so groundwater may have been underground a few years (Karst regions) to 10,000 years or more (southwestern US
A) . 
D)  Is unpredictable. C

Question 4

If the rate of groundwater recharge exceeds the rate of withdrawal,regional water tables may be lowered.

Accepted Answer

A) True 
 B)False

Question 5

Lake Chad,on the border of the Sahara Desert,

Accepted Answer

A)  Is the last surviving deep-water lake in Africa and represents an important and stable water source for Chad, Niger, Nigeria and Cameroon. 
B)  Is a good analogy to Lake Erie, in that it has undergone extensive rehabilitation after being severely polluted and is now a healthy water source. 
C)  Was originally a glacier that melted and so the water supply is dwindling. 
D)  Is a shrinking, shallow-water lake, depleted both by withdrawals for irrigation and by lack of recharge during a multi-decade period of declining rainfall. 
A)  Is the last surviving deep-water lake in Africa and represents an important and stable water source for Chad, Niger, Nigeria and Cameroon. 
B)  Is a good analogy to Lake Erie, in that it has undergone extensive rehabilitation after being severely polluted and is now a healthy water source. 
C)  Was originally a glacier that melted and so the water supply is dwindling. 
D)  Is a shrinking, shallow-water lake, depleted both by withdrawals for irrigation and by lack of recharge during a multi-decade period of declining rainfall.

Question 6

"Underground rivers" may exist

Accepted Answer

A)  In all types of aquifers. 
B)  In soluble aquifers, such as limestone, gypsum or halite, where large-diameter continuous paths can exist. 
C)  In lava tubes. 
D)  Both in soluble aquifers, such as limestone, gypsum or halite, where large-diameter continuous paths can exist and in lava tubes are correct. 
A)  In all types of aquifers. 
B)  In soluble aquifers, such as limestone, gypsum or halite, where large-diameter continuous paths can exist. 
C)  In lava tubes. 
D)  Both in soluble aquifers, such as limestone, gypsum or halite, where large-diameter continuous paths can exist and in lava tubes are correct.

Question 7

Groundwater flow is best explained by

Accepted Answer

A)  Newton's law. 
B)  Ohm's law. 
C)  Archimedes' principle. 
D)  Darcy's law. 
A)  Newton's law. 
B)  Ohm's law. 
C)  Archimedes' principle. 
D)  Darcy's law.

Question 8

Karst terrains consists of materials that are insoluble in water.

Accepted Answer

A) True 
 B)False

Question 9

Most of the water actually consumed each day in the United States is what people and livestock need,biologically,to live.

Accepted Answer

A) True 
 B)False

Question 10

Obstacles to interbasin water transfer schemes commonly include cost and political conflicts.

Accepted Answer

A) True 
 B)False

Question 11

Hard water is

Accepted Answer

A)  Water containing high levels of dissolved calcium and magnesium. 
B)  Hard to drink because it tastes bad. 
C)  Hard to extract from aquifers because of all the dissolved minerals. 
D)  All of the choices are correct. 
A)  Water containing high levels of dissolved calcium and magnesium. 
B)  Hard to drink because it tastes bad. 
C)  Hard to extract from aquifers because of all the dissolved minerals. 
D)  All of the choices are correct.

Question 12

Along its length,the Colorado River

Accepted Answer

A)  Becomes less saline toward its confluence with the Sea of Cortez. 
B)  Is greatly reduced in volume by heavy use and evaporation loss from reservoirs. 
C)  Flows entirely over insoluble igneous rocks. 
D)  Receives considerable water through ground water discharge. 
A)  Becomes less saline toward its confluence with the Sea of Cortez. 
B)  Is greatly reduced in volume by heavy use and evaporation loss from reservoirs. 
C)  Flows entirely over insoluble igneous rocks. 
D)  Receives considerable water through ground water discharge.

Question 13

The water table

Accepted Answer

A)  Is the top of the zone of saturation. 
B)  Is the top of the zone of aeration. 
C)  Is a hard rock layer within the zone of aeration. 
D)  Is a perfectly flat sheet of water below the ground surface. 
A)  Is the top of the zone of saturation. 
B)  Is the top of the zone of aeration. 
C)  Is a hard rock layer within the zone of aeration. 
D)  Is a perfectly flat sheet of water below the ground surface.

Question 14

The top of the zone of aeration is

Accepted Answer

A)  The water table. 
B)  The surface of the ground. 
C)  The vadose zone. 
D)  The bottom of the zone of saturation. 
A)  The water table. 
B)  The surface of the ground. 
C)  The vadose zone. 
D)  The bottom of the zone of saturation.

Question 15

When the groundwater leaves the aquifer via escaping the surface in a spring or flowing into a stream it results in

Accepted Answer

A)  Recharge. 
B)  Discharge. 
C)  Soil moisture. 
D)  Aquitard. 
A)  Recharge. 
B)  Discharge. 
C)  Soil moisture. 
D)  Aquitard.

Question 16

The quality of water can be measured using which of the following ways:

Accepted Answer

A)  Parts per million (ppm) and parts per billion (ppb) 
B)  pH 
C)  Total dissolved solids (TDS) 
D)  All the choices are correct 
A)  Parts per million (ppm) and parts per billion (ppb) 
B)  pH 
C)  Total dissolved solids (TDS) 
D)  All the choices are correct

Question 17

Karst topography develops in dry climates with very little surface or subsurface water.

Accepted Answer

A) True 
 B)False

Question 18

The region of the U.S.that uses the most water for irrigation

Accepted Answer

A)  The northeastern states (east of the Mississippi River and north of the Ohio River). 
B)  The southeastern states (east of the Mississippi River and south of the Ohio River). 
C)  The southwestern states including southern California (west of the Mississippi River and south of 40$\circ$N latitude). 
D)  The northwestern states (west of the Mississippi River and north of 40$\circ$N latitude). 
A)  The northeastern states (east of the Mississippi River and north of the Ohio River). 
B)  The southeastern states (east of the Mississippi River and south of the Ohio River). 
C)  The southwestern states including southern California (west of the Mississippi River and south of 40$\circ$N latitude). 
D)  The northwestern states (west of the Mississippi River and north of 40$\circ$N latitude).

Question 19

The vadose zone is also known as the

Accepted Answer

A)  Unsaturated zone. 
B)  Saturated zone. 
C)  Confined zone. 
D)  Recharge zone. 
A)  Unsaturated zone. 
B)  Saturated zone. 
C)  Confined zone. 
D)  Recharge zone.

Question 20

A drop in the potentiometric surface of an aquifer

Accepted Answer

A)  Occurs only in an unconfined aquifer. 
B)  Occurs only in very dry regions. 
C)  Reflects water use exceeding recharge. 
D)  All of the choices are correct. 
A)  Occurs only in an unconfined aquifer. 
B)  Occurs only in very dry regions. 
C)  Reflects water use exceeding recharge. 
D)  All of the choices are correct.

Most of the water consumed in the United States is consumed by

Solar-powered distillation of water

Recharge of groundwater

If the rate of groundwater recharge exceeds the rate of withdrawal,regional water tables may be lowered.

Lake Chad,on the border of the Sahara Desert,

"Underground rivers" may exist

Groundwater flow is best explained by

Karst terrains consists of materials that are insoluble in water.

Most of the water actually consumed each day in the United States is what people and livestock need,biologically,to live.

Obstacles to interbasin water transfer schemes commonly include cost and political conflicts.

Hard water is

Along its length,the Colorado River

The water table

The top of the zone of aeration is

When the groundwater leaves the aquifer via escaping the surface in a spring or flowing into a stream it results in

The quality of water can be measured using which of the following ways:

Karst topography develops in dry climates with very little surface or subsurface water.

The region of the U.S.that uses the most water for irrigation

The vadose zone is also known as the

A drop in the potentiometric surface of an aquifer

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Exam 11: Ground Water and Water Resources

Most of the water consumed in the United States is consumed by

Solar-powered distillation of water

Recharge of groundwater

If the rate of groundwater recharge exceeds the rate of withdrawal,regional water tables may be lowered.

Lake Chad,on the border of the Sahara Desert,

"Underground rivers" may exist

Groundwater flow is best explained by

Karst terrains consists of materials that are insoluble in water.

Most of the water actually consumed each day in the United States is what people and livestock need,biologically,to live.

Obstacles to interbasin water transfer schemes commonly include cost and political conflicts.

Hard water is

Along its length,the Colorado River

The water table

The top of the zone of aeration is

When the groundwater leaves the aquifer via escaping the surface in a spring or flowing into a stream it results in

The quality of water can be measured using which of the following ways:

Karst topography develops in dry climates with very little surface or subsurface water.

The region of the U.S.that uses the most water for irrigation

The vadose zone is also known as the

A drop in the potentiometric surface of an aquifer

Planet and Population: An Overview

Rocks and Minerals-A First Look

Plate Tectonics

Earthquakes

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters