Question 1

Which of the following factors least influences infiltration capacity?

Accepted Answer

A) slope of the land 
B) nature of the vegetative cover 
C) rainfall intensity 
D) prior wetted condition of the soil 
E) ambient temperature 
A) slope of the land 
B) nature of the vegetative cover 
C) rainfall intensity 
D) prior wetted condition of the soil 
E) ambient temperature

Question 2

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. 
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 3

Which of the following would NOT help you determine that an upper layer of unconsolidated sediments became thicker toward a basin?

Accepted Answer

A) drilling 
B) gravity studies 
C) measurements of discharge in surface streams 
D) an understanding of the subsurface geology of the area 
E) a correctly drawn geologic cross section 
A) drilling 
B) gravity studies 
C) measurements of discharge in surface streams 
D) an understanding of the subsurface geology of the area 
E) a correctly drawn geologic cross section

Question 4

Which of the following materials probably has the highest porosity?

Accepted Answer

A) dry,uncompacted clay particles 
B) granite with few fractures but very large crystals 
C) a limestone that has a few percent open cavities 
D) poorly sorted sediment 
A) dry,uncompacted clay particles 
B) granite with few fractures but very large crystals 
C) a limestone that has a few percent open cavities 
D) poorly sorted sediment

Question 5

This cross section shows the location of a septic tank with harmful bacteria and 5 wells.Which well is least likely to become contaminated?

Accepted Answer

A) well A 
B) well B 
C) well C 
D) well D 
E) well E
  
A) well A 
B) well B 
C) well C 
D) well D 
E) well E

Question 6

Which of the following is true about how contamination moves in groundwater?

Accepted Answer

A) contamination moves up the slope of groundwater 
B) contamination moves opposite to the direction of groundwater flow 
C) contamination introduced into the ground does not move 
D) contamination spreads out as it moves,forming a widening plume 
A) contamination moves up the slope of groundwater 
B) contamination moves opposite to the direction of groundwater flow 
C) contamination introduced into the ground does not move 
D) contamination spreads out as it moves,forming a widening plume

Question 7

Under what conditions is it possible for a material to have both high porosity and low permeability?

Accepted Answer

A) it is not possible to have both high porosity and low permeability 
B) it is possible only if the rock is a sandstone 
C) it is possible only if the rock is a granite 
D) it is possible if the void spaces are very small or are not well connected 
A) it is not possible to have both high porosity and low permeability 
B) it is possible only if the rock is a sandstone 
C) it is possible only if the rock is a granite 
D) it is possible if the void spaces are very small or are not well connected

Question 8

Which of the following is NOT true about groundwater flow?

Accepted Answer

A) in some igneous groundwater reservoirs,flow is determined by the orientation of fractures 
B) excess pumping from wells can cause subsidence and reduction of porosity 
C) a decrease in the gradient (slope of the water table)increases the velocity 
D) water moves from areas where the water table is highest to areas where it is lowest 
A) in some igneous groundwater reservoirs,flow is determined by the orientation of fractures 
B) excess pumping from wells can cause subsidence and reduction of porosity 
C) a decrease in the gradient (slope of the water table)increases the velocity 
D) water moves from areas where the water table is highest to areas where it is lowest

Question 9

The septic tank in this figure will probably:

Accepted Answer

A) contaminate all the water in the well 
B) contaminate the part of the well that is lower than the septic tank 
C) contaminate the soil at the well but not the groundwater 
D) not contaminate the well 
A) contaminate all the water in the well 
B) contaminate the part of the well that is lower than the septic tank 
C) contaminate the soil at the well but not the groundwater 
D) not contaminate the well

Question 10

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

Question 11

Which of the following materials has low to moderate porosity but high permeability?

Accepted Answer

A) fractured granite 
B) compacted clays 
C) uncompacted clays 
D) well-sorted sediment 
A) fractured granite 
B) compacted clays 
C) uncompacted clays 
D) well-sorted sediment

Question 12

Which of the following energy sources drives the hydrologic cycle?

Accepted Answer

A) internal heat energy 
B) river flow 
C) wind energy 
D) solar energy 
E) gravity 
A) internal heat energy 
B) river flow 
C) wind energy 
D) solar energy 
E) gravity

Question 13

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

Question 14

Which of the following features is NOT formed by precipitation of calcite from water?

Accepted Answer

A) travertine 
B) stalagmite 
C) stalactite 
D) sinkhole 
E) flowstone 
A) travertine 
B) stalagmite 
C) stalactite 
D) sinkhole 
E) flowstone

Question 15

In which areas on the accompanying figure is condensation occurring?

Accepted Answer

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

Question 16

What is the main problem that has developed in the Ogallala aquifer?

Accepted Answer

A) it has become contaminated with radioactive waste from the Chernobyl accident 
B) precipitation is heavier to the east,causing tilting of the entire formation 
C) overpumping may cause southern parts of the aquifer to go dry in the next 100 years 
D) none of these 
A) it has become contaminated with radioactive waste from the Chernobyl accident 
B) precipitation is heavier to the east,causing tilting of the entire formation 
C) overpumping may cause southern parts of the aquifer to go dry in the next 100 years 
D) none of these

Question 17

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 
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 18

What is a possible way to decrease permeability?

Accepted Answer

A) fracture a rock 
B) compact sediment 
C) have groundwater dissolve cement between the grains 
D) all of these 
E) none of these 
A) fracture a rock 
B) compact sediment 
C) have groundwater dissolve cement between the grains 
D) all of these 
E) none of these

Question 19

Which of the following would be most useful in investigating groundwater contamination?

Accepted Answer

A) records of how much material the company may have spilled 
B) records of health problems,like leukemia,of people living in the area 
C) a map showing contours of the water table and of contamination levels 
D) a geologic map 
A) records of how much material the company may have spilled 
B) records of health problems,like leukemia,of people living in the area 
C) a map showing contours of the water table and of contamination levels 
D) a geologic map

Question 20

Which of the following materials probably has the highest porosity?

Accepted Answer

A) poorly sorted sediment 
B) sediment composed only of rounded cobbles that rest directly on one another 
C) a mixture of sand,silt,and clay 
D) a coarse-grained granite 
A) poorly sorted sediment 
B) sediment composed only of rounded cobbles that rest directly on one another 
C) a mixture of sand,silt,and clay 
D) a coarse-grained granite

Which of the following factors least influences infiltration capacity?

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

Which of the following would NOT help you determine that an upper layer of unconsolidated sediments became thicker toward a basin?

Which of the following materials probably has the highest porosity?

This cross section shows the location of a septic tank with harmful bacteria and 5 wells.Which well is least likely to become contaminated?

Which of the following is true about how contamination moves in groundwater?

Under what conditions is it possible for a material to have both high porosity and low permeability?

Which of the following is NOT true about groundwater flow?

The septic tank in this figure will probably:

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

Which of the following materials has low to moderate porosity but high permeability?

Which of the following energy sources drives the hydrologic cycle?

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?

Which of the following features is NOT formed by precipitation of calcite from water?

In which areas on the accompanying figure is condensation occurring?

What is the main problem that has developed in the Ogallala aquifer?

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

What is a possible way to decrease permeability?

Which of the following would be most useful in investigating groundwater contamination?

Which of the following materials probably has the highest porosity?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

The Seafloor and Continental Margins

Mountains, basins, and Continents

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

Energy and Mineral Resources

Geology of the Solar System

Filters

Exam 17: Water Resources

Which of the following factors least influences infiltration capacity?

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

Which of the following would NOT help you determine that an upper layer of unconsolidated sediments became thicker toward a basin?

Which of the following materials probably has the highest porosity?

This cross section shows the location of a septic tank with harmful bacteria and 5 wells.Which well is least likely to become contaminated?

Which of the following is true about how contamination moves in groundwater?

Under what conditions is it possible for a material to have both high porosity and low permeability?

Which of the following is NOT true about groundwater flow?

The septic tank in this figure will probably:

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

Which of the following materials has low to moderate porosity but high permeability?

Which of the following energy sources drives the hydrologic cycle?

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?

Which of the following features is NOT formed by precipitation of calcite from water?

In which areas on the accompanying figure is condensation occurring?

What is the main problem that has developed in the Ogallala aquifer?

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

What is a possible way to decrease permeability?

Which of the following would be most useful in investigating groundwater contamination?

Which of the following materials probably has the highest porosity?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

The Seafloor and Continental Margins

Mountains, basins, and Continents

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

Energy and Mineral Resources

Geology of the Solar System

Filters