Question 1

List and describe one possible effect from overpumping.

Accepted Answer

Answers will vary;however,possible topic...

Question 2

In many areas with karst terrain,people use sinkholes as places to dump garbage.What effect might this practice have on the groundwater supply?

Accepted Answer

A)  None;sinkholes are not connected to groundwater sources.
B)  It clogs the sinkholes so that water cannot percolate into the groundwater.
C)  It could block the groundwater discharge from unconfined aquifers only.
D)  It could contaminate the groundwater in any or all aquifers in the area.

Question 3

The majority of caves are formed by the dissolution of bedrock ________.

Accepted Answer

A)  above the water table
B)  just below the water table
C)  greater than 10 m below the water table
D)  greater than 10 m above the water table

Question 4

In order for a well to function properly it must be drilled below the water table and into a(n)  ________.

Accepted Answer

A)  aquifer
B)  aquitard
C)  spring
D)  geyser

Question 5

Hot springs can be formed by the heating of groundwater by magma or by ________.

Accepted Answer

A)  decompression heating
B)  infrared heating by the Sun
C)  the geothermal gradient
D)  heating by the core

Question 6

Recharge areas for artesian wells and springs are generally in the ________.

Accepted Answer

A)  desert
B)  mountains
C)  ocean
D)  flatlands

Question 7

Sinkholes are a concern primarily for residents whose dwellings are constructed atop ________.

Accepted Answer

A)  sandstone
B)  shale
C)  limestone
D)  granite

Question 8

Karst terrain forms in areas that are covered in which type of rock?

Accepted Answer

A)  basalt
B)  sandstone
C)  limestone
D)  mudstone

Question 9

If a material is porous,it ________.

Accepted Answer

A)  will be permeable as well
B)  will be impermeable
C)  may be permeable or impermeable
D)  would not be permeable or impermeable

Question 10

You are performing a dye trace study in which you add some dye to a recharge area of the Norton Aquifer and monitor various wells drilled into the aquifer to watch for the dye to appear.You have determined that the effective velocity of groundwater in the Norton Aquifer is 7.5× 10-⁷ m/s,and you are monitoring wells at distances of 0.5 m (Well A) ,2 m (Well B) ,and 100 m (Well C) from the recharge area.When do you expect the dye to appear at each well site?

Accepted Answer

A)  Well A = ~7 days,Well B = ~30 days,and Well C = ~4 years
B)  Well A = ~6 seconds,Well B = ~3 seconds,and Well C = ~133 seconds
C)  Well A = ~1.5× 10 -⁶ seconds,Well B = ~3.75× 10 -⁷ seconds,and Well C = ~7.5× 10 -⁹ seconds
D)  Well A = ~7 years,Well B = ~30 years,and Well C = ~4 years

Question 11

Consult the figure below.Where is the hydraulic head the highest and why?

Accepted Answer

A)  A,because there is more rock above it.
B)  A,because there is more water above it.
C)  B,because there is less rock above it.
D)  B,because there is less water above it.

Question 12

Label the three zones that water moves through as it percolates into Earth on the image below.Also include where the water table is by marking it with an arrow.

Accepted Answer

Students should label the unsa...

Question 13

The hydraulic gradient in Darcy's law is essentially the same as which of the following?

Accepted Answer

A)  the slope of a line
B)  the quadratic equation
C)  a Pythagorean triangle
D)  the area of a triangle

Question 14

Land subsidence is likely when ________.

Accepted Answer

A)  groundwater recharge occurs
B)  the calcium content of groundwater increases
C)  the water table rises
D)  discharge lowers the water table

Question 15

A regular kitchen sponge has ________ porosity but ________ permeability.

Accepted Answer

A)  high;high
B)  low;high
C)  high;low
D)  no;high

Question 16

Imagine you are drilling and find water;how would you be able to tell if you have found a perched aquifer?

Accepted Answer

A)  The water table is too high.
B)  The water table is too low.
C)  The water will be saltier.
D)  The water will be contaminated.

Question 17

The water table surface mimics the topography in an area because ________.

Accepted Answer

A)  hydraulic head forces it to stay close to the surface
B)  the permeability is lowest in hilly areas
C)  groundwater cannot penetrate below aquitards
D)  groundwater flow rates are so low

Question 18

A(n) ________ aquifer is more likely to be contaminated than a(n) ________ aquifer.

Accepted Answer

A)  confined;unconfined
B)  unconfined;confined
C)  artesian;surficial
D)  sandstone;limestone

Question 19

Groundwater ________.

Accepted Answer

A)  does not affect the porosity of the rock and sediment through which it flows
B)  uniformly increases porosity because of the dissolution of grains
C)  uniformly decreases porosity because of the deposition of minerals into pores
D)  may increase or decrease porosity through dissolution or deposition

Question 20

Consult the figure below.What will eventually happen to the Everglades if the people of Miami and Fort Myers do not stop using the water?

Accepted Answer

A)  It will shift toward Lake Okeechobee.
B)  It will eventually dry up and disappear.
C)  It will shift to be closer to Fort Myers.
D)  It will be replenished by recharge.

Exam 16: A Hidden Reserve: Groundwater

In order for a well to function properly it must be drilled below the water table and into a(n) ________.

Correct Answer
verified

The majority of caves are formed by the dissolution of bedrock ________.

Correct Answer
verified

Imagine you are drilling and find water;how would you be able to tell if you have found a perched aquifer?

Correct Answer
verified

Correct Answer
verified

Sinkholes are a concern primarily for residents whose dwellings are constructed atop ________.

Correct Answer
verified

Consult the figure below.Where is the hydraulic head the highest and why?

Correct Answer
verified

Hot springs can be formed by the heating of groundwater by magma or by ________.

Correct Answer
verified

Groundwater ________.

Correct Answer
verified

Land subsidence is likely when ________.

Correct Answer
verified

Label the three zones that water moves through as it percolates into Earth on the image below.Also include where the water table is by marking it with an arrow.

Correct Answer
verified
Students should label the unsa...
View Answer

The hydraulic gradient in Darcy's law is essentially the same as which of the following?

Correct Answer
verified

A(n) aquifer is more likely to be contaminated than a(n) aquifer.

Correct Answer
verified

A regular kitchen sponge has porosity but permeability.

Correct Answer
verified

Recharge areas for artesian wells and springs are generally in the ________.

Correct Answer
verified

In many areas with karst terrain,people use sinkholes as places to dump garbage.What effect might this practice have on the groundwater supply?

Correct Answer
verified

Consult the figure below.What will eventually happen to the Everglades if the people of Miami and Fort Myers do not stop using the water?

Correct Answer
verified

Karst terrain forms in areas that are covered in which type of rock?

Correct Answer
verified

List and describe one possible effect from overpumping.

Correct Answer
verified
Answers will vary;however,possible topic...
View Answer

The water table surface mimics the topography in an area because ________.

Correct Answer
verified

If a material is porous,it ________.

Correct Answer
verified

Exam 16: A Hidden Reserve: Groundwater

In order for a well to function properly it must be drilled below the water table and into a(n) ________.

Correct AnswerverifiedShow Answer

The majority of caves are formed by the dissolution of bedrock ________.

Correct AnswerverifiedShow Answer

Imagine you are drilling and find water;how would you be able to tell if you have found a perched aquifer?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Sinkholes are a concern primarily for residents whose dwellings are constructed atop ________.

Correct AnswerverifiedShow Answer

Consult the figure below.Where is the hydraulic head the highest and why?

Correct AnswerverifiedShow Answer

Hot springs can be formed by the heating of groundwater by magma or by ________.

Correct AnswerverifiedShow Answer

Groundwater ________.

Correct AnswerverifiedShow Answer

Land subsidence is likely when ________.

Correct AnswerverifiedShow Answer

Label the three zones that water moves through as it percolates into Earth on the image below.Also include where the water table is by marking it with an arrow.

Correct AnswerverifiedStudents should label the unsa...View AnswerShow Answer

The hydraulic gradient in Darcy's law is essentially the same as which of the following?

Correct AnswerverifiedShow Answer

A(n) ________ aquifer is more likely to be contaminated than a(n) ________ aquifer.

Correct AnswerverifiedShow Answer

A regular kitchen sponge has ________ porosity but ________ permeability.

Correct AnswerverifiedShow Answer

Recharge areas for artesian wells and springs are generally in the ________.

Correct AnswerverifiedShow Answer

In many areas with karst terrain,people use sinkholes as places to dump garbage.What effect might this practice have on the groundwater supply?

Correct AnswerverifiedShow Answer

Consult the figure below.What will eventually happen to the Everglades if the people of Miami and Fort Myers do not stop using the water?

Correct AnswerverifiedShow Answer

Karst terrain forms in areas that are covered in which type of rock?

Correct AnswerverifiedShow Answer

List and describe one possible effect from overpumping.

Correct AnswerverifiedAnswers will vary;however,possible topic...View AnswerShow Answer

The water table surface mimics the topography in an area because ________.

Correct AnswerverifiedShow Answer

If a material is porous,it ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Students should label the unsa...
View Answer

Correct Answer
verified

A(n) aquifer is more likely to be contaminated than a(n) aquifer.

Correct Answer
verified

A regular kitchen sponge has porosity but permeability.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answers will vary;however,possible topic...
View Answer

Correct Answer
verified

Correct Answer
verified