Question 1

Describe the formation and growth of helictites, cave pearls, and cave popcorn.

Accepted Answer

Helictites are hollow, twiglike traverti

Question 2

All of the following materials encourage infiltration EXCEPT:

Accepted Answer

A)  loose soils and gravels. 
B)  coarse sandstone. 
C)  porous, unconsolidated clays. 
D)  fractured or jointed bedrock. 
A)  loose soils and gravels. 
B)  coarse sandstone. 
C)  porous, unconsolidated clays. 
D)  fractured or jointed bedrock.

Question 3

A perched water table is a water table:

Accepted Answer

A)  that lies at an extremely high angle. 
B)  found on top of a local impermeable layer lying above the zone of saturation. 
C)  that is found high in the mountains. 
D)  where one highly permeable rock layer overlies another highly permeable rock layer, and both are dependent on the same recharge source. 
A)  that lies at an extremely high angle. 
B)  found on top of a local impermeable layer lying above the zone of saturation. 
C)  that is found high in the mountains. 
D)  where one highly permeable rock layer overlies another highly permeable rock layer, and both are dependent on the same recharge source.

Question 4

Caves are formed by what geological process?

Accepted Answer

A)  Surface stream deposition. 
B)  Subsurface stream erosion. 
C)  Surface stream erosion. 
D)  Subsurface dissolution. 
A)  Surface stream deposition. 
B)  Subsurface stream erosion. 
C)  Surface stream erosion. 
D)  Subsurface dissolution.

Question 5

A large cone of depression is least likely to develop when:

Accepted Answer

A)  there is little precipitation in an area. 
B)  the aquifer has minimum permeability. 
C)  a large amount of water is removed from an aquifer. 
D)  recharge exceeds discharge. 
A)  there is little precipitation in an area. 
B)  the aquifer has minimum permeability. 
C)  a large amount of water is removed from an aquifer. 
D)  recharge exceeds discharge.

Question 6

The greatest infiltration of surface waters would be on:

Accepted Answer

A)  gentle slopes. 
B)  cliff faces. 
C)  steep slopes. 
D)  steep, vegetated slopes. 
A)  gentle slopes. 
B)  cliff faces. 
C)  steep slopes. 
D)  steep, vegetated slopes.

Question 7

The first water to move through a dry soil:

Accepted Answer

A)  evaporates into the air trapped within soil pore spaces. 
B)  evaporates back into the atmosphere. 
C)  infiltrates downward into the zone of saturation. 
D)  becomes attached to the surfaces of clay minerals or is used by plants. 
A)  evaporates into the air trapped within soil pore spaces. 
B)  evaporates back into the atmosphere. 
C)  infiltrates downward into the zone of saturation. 
D)  becomes attached to the surfaces of clay minerals or is used by plants.

Question 8

The average rate of limestone dissolution in England is measured in:

Accepted Answer

A)  decameters per 100 years. 
B)  centimeters per 100 years. 
C)  meters per 100 years. 
D)  millimeters per 100 years. 
A)  decameters per 100 years. 
B)  centimeters per 100 years. 
C)  meters per 100 years. 
D)  millimeters per 100 years.

Question 9

Initial cave formation takes place:

Accepted Answer

A)  at the land surface. 
B)  in the zone of aeration. 
C)  in the zone of saturation. 
D)  in the capillary fringe. 
A)  at the land surface. 
B)  in the zone of aeration. 
C)  in the zone of saturation. 
D)  in the capillary fringe.

Question 10

Saltwater intrusion is most serious in which region?

Accepted Answer

A)  On peninsulas. 
B)  In heavily populated coastal areas. 
C)  On islands. 
D)  All of the above. 
A)  On peninsulas. 
B)  In heavily populated coastal areas. 
C)  On islands. 
D)  All of the above.

Question 11

Discuss the laws governing ownership of groundwater in the United States.

Accepted Answer

The United States has no uniform code fo

Question 12

The method used to conclusively identify the best place to drill a well is to:

Accepted Answer

A)  employ the services of dowsers, because they have been proven completely reliable. 
B)  survey an area's vegetation because certain plant species indicate specific depths of the water table. 
C)  locate sources of surface water because such sources intersect the water table. 
D)  drill test wells, because they show the depth of the water table at particular places. 
A)  employ the services of dowsers, because they have been proven completely reliable. 
B)  survey an area's vegetation because certain plant species indicate specific depths of the water table. 
C)  locate sources of surface water because such sources intersect the water table. 
D)  drill test wells, because they show the depth of the water table at particular places.

Question 13

Which of the following statements about karst in desert regions is true?

Accepted Answer

A)  High temperatures in deserts promote fracturing in limestone. 
B)  Thick desert soils promote limestone solution. 
C)  Karst features in deserts indicate former times of greater precipitation. 
D)  High temperatures in deserts promote limestone solution. 
A)  High temperatures in deserts promote fracturing in limestone. 
B)  Thick desert soils promote limestone solution. 
C)  Karst features in deserts indicate former times of greater precipitation. 
D)  High temperatures in deserts promote limestone solution.

Describe the formation and growth of helictites, cave pearls, and cave popcorn.

All of the following materials encourage infiltration EXCEPT:

A perched water table is a water table:

Caves are formed by what geological process?

A large cone of depression is least likely to develop when:

The greatest infiltration of surface waters would be on:

The first water to move through a dry soil:

The average rate of limestone dissolution in England is measured in:

Initial cave formation takes place:

Saltwater intrusion is most serious in which region?

Discuss the laws governing ownership of groundwater in the United States.

The method used to conclusively identify the best place to drill a well is to:

Which of the following statements about karst in desert regions is true?

A First Look at Planet Earth - Its Origins, Systems, and Tectonic Plates

Minerals

Igneous Rocks and Processes

Volcanoes and Volcanism

Weathering - the Breakdown of Rocks

Sedimentary Processes, Environments, and Rocks

Metamorphism and Metamorphic Rocks

Telling Time Geologically

Earth Structures - Folds, Faults, and Fabrics

Earthquakes

The Earths Interior - Whats Going on Down There

Plate Tectonics and the Formation of the Earths Oceans

Continental Tectonics and the Formation of the Earths Continents

Mass Movement

Streams and Floods

Glaciers and Ice Ages

Deserts and the Work of Winds

Shores and Coastal Processes

Human Use of the Earths Resources Appendices Glossary

Filters

Exam 16: Groundwater

Describe the formation and growth of helictites, cave pearls, and cave popcorn.

All of the following materials encourage infiltration EXCEPT:

A perched water table is a water table:

Caves are formed by what geological process?

A large cone of depression is least likely to develop when:

The greatest infiltration of surface waters would be on:

The first water to move through a dry soil:

The average rate of limestone dissolution in England is measured in:

Initial cave formation takes place:

Saltwater intrusion is most serious in which region?

Discuss the laws governing ownership of groundwater in the United States.

The method used to conclusively identify the best place to drill a well is to:

Which of the following statements about karst in desert regions is true?

A First Look at Planet Earth - Its Origins, Systems, and Tectonic Plates

Minerals

Igneous Rocks and Processes

Volcanoes and Volcanism

Weathering - the Breakdown of Rocks

Sedimentary Processes, Environments, and Rocks

Metamorphism and Metamorphic Rocks

Telling Time Geologically

Earth Structures - Folds, Faults, and Fabrics

Earthquakes

The Earths Interior - Whats Going on Down There

Plate Tectonics and the Formation of the Earths Oceans

Continental Tectonics and the Formation of the Earths Continents

Mass Movement

Streams and Floods

Glaciers and Ice Ages

Deserts and the Work of Winds

Shores and Coastal Processes

Human Use of the Earths Resources Appendices Glossary

Filters