Question 1

Which two uses consume most freshwater in the United States?

Accepted Answer

A)   drinking water and showering
B)   mining and raising livestock
C)   irrigation and drinking water
D)   mining and industrial use
E)   irrigation and thermoelectric power

Question 2

This map shows contours of the water table, the location of four factories (labeled A, B, C, and D) , and contaminated and uncontaminated wells.Which way will the contamination flow?

Accepted Answer

A)   northeast, up the contours
B)   southwest, down the contours
C)   northwest and southeast, parallel to the contours
D)   impossible to tell because the movement of contamination is independent of groundwater

Question 3

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.

Question 4

This figure shows a new well that will pump out groundwater faster than it can be replaced.What will the water table look like after pumping?

Accepted Answer

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

Question 5

Which of the following is true about the water table?

Accepted Answer

A)   The water table has a similar shape to topography but is more subdued.
B)   The water table is highest in elevation beneath lakes.
C)   In any area, the water table slopes a consistent amount and direction.
D)   All of these.
E)   None of these.

Question 6

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

Question 7

Which of the following is a common setting for a spring?

Accepted Answer

A)   a limestone aquifer that intersects the surface
B)   a permeable upper layer with a water table deep below the surface
C)   a nonpermeable upper layer with a water table deep below the surface
D)   an unconfined aquifer with a water table deep below the surface

Question 8

Why does a plume of contamination spread out (become wider) away from the source of contamination?

Accepted Answer

A)   because the water flows faster and faster
B)   because of diffusion of the contamination and mixing of contaminated and uncontaminated water
C)   it does not spread out away from the source
D)   it will only spread out if it is close to a cone of depression

Question 9

Which of the following is a correctly described statement about part of the hydrologic cycle?

Accepted Answer

A)   Raindrops form through the process of evaporation.
B)   Precipitation refers to minerals coating sand grains with natural cement.
C)   Most groundwater forms when water on the surface infiltrates into the ground.
D)   Movement of water is restricted to rainfall and rivers.
E)   None of these.

Question 10

Which one of the following statements is true regarding the Earth's supply of fresh water?

Accepted Answer

A)   The largest volume exists in lakes and reservoirs.
B)   There is more in the form of water vapor in the atmosphere than there is as liquid groundwater.
C)   There is more freshwater in glaciers and ice sheets than exists as groundwater.
D)   There is more water in rivers than exists as soil moisture and groundwater.

Question 11

According to this graph, which shows water balance for the Ogallala aquifer, which of the following statements are true?

Accepted Answer

A)   More water is taken out of the aquifer than is gained from recharge.
B)   Less water is taken out of the aquifer than is gained from recharge.
C)   Springs and rivers take out more water than does pumping.
D)   As the aquifer dewaters, it expands, increasing the amount of pore space in which to store water.

Question 12

Where on this cross section would water at the surface become groundwater?

Accepted Answer

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

Question 13

Most of Earth's fresh water is in

Accepted Answer

A)   ice caps, glaciers, and groundwater.
B)   groundwater and rivers.
C)   lakes and swamps.
D)   rivers and streams.
E)   oceans.

Question 14

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 sheet
D)   4-groundwater
E)   5-lakes

Question 15

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

Accepted Answer

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

Question 16

Which of the following is NOT a possible source of water contamination?

Accepted Answer

A)   dry cleaners
B)   farms
C)   rocks that have been mineralized by natural processes but not mined
D)   houses
E)   All of these are possible sources of contamination.

Question 17

The short residence time of water in the atmosphere allows a water molecule to have a stronger ability to do which of the following, compared to a situation if the residence time in the atmosphere were larger?

Accepted Answer

A)   acquire potential energy and convert it to kinetic energy
B)   participate in the hydrologic cycle
C)   erode the surface
D)   store and release latent heat
E)   All of these.

Question 18

Of the following, which has the greatest total volume of water?

Accepted Answer

A)   the atmosphere
B)   groundwater
C)   ice caps and glaciers
D)   rivers and lakes

Question 19

Which of the following is a common setting for a spring?

Accepted Answer

A)   the water table intersects the surface
B)   a permeable rock overlies a less permeable one
C)   sedimentary rocks overlie crystalline rocks along an unconformity
D)   All of these.
E)   None of these.

Question 20

The water balance diagram below suggests that

Accepted Answer

A)   summers are very dry.
B)   winters are snowy.
C)   long periods of drought are common.
D)   All of these.

Exam 8: Water Resources

Which of the following is a correctly described statement about part of the hydrologic cycle?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

How would this stream interact with groundwater?

Correct AnswerverifiedShow Answer

Why does a plume of contamination spread out (become wider) away from the source of contamination?

Correct AnswerverifiedShow Answer

Which of the following is a common setting for a spring?

Correct AnswerverifiedShow Answer

Most of Earth's fresh water is in

Correct AnswerverifiedShow Answer

Which of the following is a common setting for a spring?

Correct AnswerverifiedShow Answer

The short residence time of water in the atmosphere allows a water molecule to have a stronger ability to do which of the following, compared to a situation if the residence time in the atmosphere were larger?

Correct AnswerverifiedShow Answer

Which one of the following statements is true regarding the Earth's supply of fresh water?

Correct AnswerverifiedShow Answer

Which of the following is NOT a possible source of water contamination?

Correct AnswerverifiedShow Answer

This map shows contours of the water table, the location of four factories (labeled A, B, C, and D) , and contaminated and uncontaminated wells.Which way will the contamination flow?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

This figure shows a new well that will pump out groundwater faster than it can be replaced.What will the water table look like after pumping?

Correct AnswerverifiedShow Answer

The water balance diagram below suggests that

Correct AnswerverifiedShow Answer

Which of the following is true about the water table?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

According to this graph, which shows water balance for the Ogallala aquifer, which of the following statements are true?

Correct AnswerverifiedShow Answer

Of the following, which has the greatest total volume of water?

Correct AnswerverifiedShow Answer

Where on this cross section would water at the surface become groundwater?

Correct AnswerverifiedShow Answer

Which two uses consume most freshwater in the United States?

Correct AnswerverifiedShow Answer

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