Question 1

What kind of geothermal feature is visible in this image?

Accepted Answer

A) Hot spring 
B) Artesian well 
C) Geyser 
D) Subsidence 
A) Hot spring 
B) Artesian well 
C) Geyser 
D) Subsidence

Question 2

Freshwater is less dense than saltwater.

Accepted Answer

A) True 
 B)False

Question 3

Which has a higher porosity: sand or sandstone? Why?

Accepted Answer

Sand, because sandst

Question 4

Assume that chemical pollutants have been buried at Point Y.The heavy dashed arrow shows the path of infiltration the pollutants followed.Which other bodies of water will be contaminated by these pollutants?

Accepted Answer

A) Both lakes 
B) The major river and the left-hand lake 
C) All bodies of water will be contaminated. 
D) The contamination is flowing below the aquitards, so none will be contaminated. 
A) Both lakes 
B) The major river and the left-hand lake 
C) All bodies of water will be contaminated. 
D) The contamination is flowing below the aquitards, so none will be contaminated.

Question 5

Clay's porosity is high, but its permeability is low, which means that it has a low specific yield.

Accepted Answer

A) True 
 B)False

Question 6

What is the source of much of water in geothermal features such as geysers and hot springs?

Accepted Answer

A) Precipitation 
B) Water vapor from magma 
C) Melting glaciers 
D) Subterranean lakes 
A) Precipitation 
B) Water vapor from magma 
C) Melting glaciers 
D) Subterranean lakes

Question 7

Which of the following is not a factor that will influence infiltration of groundwater?

Accepted Answer

A) Acidity of precipitation 
B) Steepness of the slope 
C) Nature of surface material 
D) Intensity of rainfall 
A) Acidity of precipitation 
B) Steepness of the slope 
C) Nature of surface material 
D) Intensity of rainfall

Question 8

The water table undulates with the ground surface.It is low where the ground surface is high and high where the ground surface is low.

Accepted Answer

A) True 
 B)False

Question 9

Explain how artesian wells are created.Your explanation should include a discussion of how they get recharged.

Accepted Answer

Artesian wells form in confined aquifers

Question 10

What is permeability?

Accepted Answer

A) Volume of pore space in a material 
B) Ability to transmit water 
C) When ice crystals deform and slide past each other 
D) Dissolution of carbonate rock due to acid 
A) Volume of pore space in a material 
B) Ability to transmit water 
C) When ice crystals deform and slide past each other 
D) Dissolution of carbonate rock due to acid

Question 11

What mineral substance makes up most geyser deposits?

Accepted Answer

A) Travertine 
B) Sandstone 
C) Sinter 
D) Obsidian 
A) Travertine 
B) Sandstone 
C) Sinter 
D) Obsidian

Question 12

Assume that the irrigation well in the middle of this image was installed by a seed corn company and not by the farmers who own the local wells on either side.If irrigation were stopped immediately, would this localized lowering recover immediately? Why or why not?

Accepted Answer

A) Yes.Water from other parts of the aquifer could replace what was lost. 
B) No.The average aquifer has a groundwater flow rate of 4 cm/day. 
C) Yes.The reduced pressure in the aquifer would allow the groundwater to flow faster. 
D) No.Now that irrigation has stopped, there is no suction necessary to draw the water. 
A) Yes.Water from other parts of the aquifer could replace what was lost. 
B) No.The average aquifer has a groundwater flow rate of 4 cm/day. 
C) Yes.The reduced pressure in the aquifer would allow the groundwater to flow faster. 
D) No.Now that irrigation has stopped, there is no suction necessary to draw the water.

Question 13

How will the water table respond when there is a drought?

Accepted Answer

A) Water table will rise. 
B) Water table will fall. 
C) Water table will remain the same. 
A) Water table will rise. 
B) Water table will fall. 
C) Water table will remain the same.

Question 14

Igneous and metamorphic rocks do not form with voids or pore spaces where groundwater can reside.However, these rocks can often both store and transport groundwater.What voids would make up the secondary porosity of igneous and metamorphic rocks?

Accepted Answer

Fractures

Question 15

________ is when groundwater is being replenished.________ is when groundwater is flowing back toward the surface.

Accepted Answer

A) Recharge; Discharge 
B) Drainage; Discharge 
C) Dissolution; Recharge 
D) Retention; Capacity 
A) Recharge; Discharge 
B) Drainage; Discharge 
C) Dissolution; Recharge 
D) Retention; Capacity

Question 16

Which household function has the highest daily water consumption?

Accepted Answer

A) Dishwashers 
B) Showers and baths 
C) Clothes washers 
D) Toilets 
A) Dishwashers 
B) Showers and baths 
C) Clothes washers 
D) Toilets

Question 17

What feature develops if a well is withdrawing more groundwater than an aquifer can naturally replace, resulting in a dimple in the water table?

Accepted Answer

A) Cone of depression 
B) Subsidence 
C) Contamination 
D) Saltwater encroachment 
A) Cone of depression 
B) Subsidence 
C) Contamination 
D) Saltwater encroachment

Question 18

In order for an aquifer to be useful for reliable water extraction, what kind of porosity and permeability should it have?

Accepted Answer

A) Low porosity, low permeability 
B) High porosity, high permeability 
C) Low porosity, high permeability 
D) High porosity, low permeability 
A) Low porosity, low permeability 
B) High porosity, high permeability 
C) Low porosity, high permeability 
D) High porosity, low permeability

Question 19

Compare and contrast a geyser and a hot spring.

Accepted Answer

Geysers are similar to hot springs becau

Question 20

In what spaces or voids does most groundwater reside?

Accepted Answer

A) Caves 
B) Pore spaces 
C) Fractures 
D) Pore space and fractures 
A) Caves 
B) Pore spaces 
C) Fractures 
D) Pore space and fractures

Exam 17: Groundwater

What kind of geothermal feature is visible in this image?

Freshwater is less dense than saltwater.

Which has a higher porosity: sand or sandstone? Why?

Assume that chemical pollutants have been buried at Point Y.The heavy dashed arrow shows the path of infiltration the pollutants followed.Which other bodies of water will be contaminated by these pollutants?

Clay's porosity is high, but its permeability is low, which means that it has a low specific yield.

What is the source of much of water in geothermal features such as geysers and hot springs?

Which of the following is not a factor that will influence infiltration of groundwater?

The water table undulates with the ground surface.It is low where the ground surface is high and high where the ground surface is low.

Explain how artesian wells are created.Your explanation should include a discussion of how they get recharged.

What is permeability?

What mineral substance makes up most geyser deposits?

Assume that the irrigation well in the middle of this image was installed by a seed corn company and not by the farmers who own the local wells on either side.If irrigation were stopped immediately, would this localized lowering recover immediately? Why or why not?

How will the water table respond when there is a drought?

Igneous and metamorphic rocks do not form with voids or pore spaces where groundwater can reside.However, these rocks can often both store and transport groundwater.What voids would make up the secondary porosity of igneous and metamorphic rocks?

________ is when groundwater is being replenished.________ is when groundwater is flowing back toward the surface.

Which household function has the highest daily water consumption?

What feature develops if a well is withdrawing more groundwater than an aquifer can naturally replace, resulting in a dimple in the water table?

In order for an aquifer to be useful for reliable water extraction, what kind of porosity and permeability should it have?

Compare and contrast a geyser and a hot spring.

In what spaces or voids does most groundwater reside?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Magma, Igneous Rocks, and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes

Earths Interior

Divergent Boundaries

Convergent Boundaries

Mass Wasting

Running Water

Glaciers and Glaciation

Deserts and Winds

Shorelines

Global Climate Change

Earths Evolution Through Geologic Time

Energy and Mineral Resources

Touring Our Solar System

Filters

is when groundwater is being replenished. is when groundwater is flowing back toward the surface.