Question 1

Since 1965,most groundwater has been withdrawn for

Accepted Answer

A) irrigation. 
B) public supply. 
C) rural water supply. 
D) thermoelectric power. 
A) irrigation. 
B) public supply. 
C) rural water supply. 
D) thermoelectric power.

Question 2

Sublimation is a process whereby water is returned to the hydrologic cycle from

Accepted Answer

A) lakes. 
B) the ocean. 
C) glaciers. 
D) groundwater. 
A) lakes. 
B) the ocean. 
C) glaciers. 
D) groundwater.

Question 3

Groundwater that tends to be "hard" has usually passed through

Accepted Answer

A) sandstone. 
B) limestone. 
C) granite. 
D) basalt. 
A) sandstone. 
B) limestone. 
C) granite. 
D) basalt.

Question 4

How fast does most groundwater move in aquifers?

Accepted Answer

A) a few centimeters per day 
B) a few meters per day 
C) a few kilometers per day 
D) a few tens of kilometers per day 
A) a few centimeters per day 
B) a few meters per day 
C) a few kilometers per day 
D) a few tens of kilometers per day

Question 5

The Ogallala aquifer in the southwestern high plains of Texas and New Mexico consists of

Accepted Answer

A) basalt and gabbro. 
B) sand and gravel. 
C) limestone and dolostone. 
D) shale and mudstone. 
A) basalt and gabbro. 
B) sand and gravel. 
C) limestone and dolostone. 
D) shale and mudstone.

Question 6

Which of the following unfractured rocks has the highest porosity?

Accepted Answer

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

Question 7

After oceans,which of the following reservoirs contains the most water?

Accepted Answer

A) the atmosphere 
B) the lakes and rivers 
C) the glaciers and polar ice caps 
D) the underground waters 
A) the atmosphere 
B) the lakes and rivers 
C) the glaciers and polar ice caps 
D) the underground waters

Question 8

Swamps are important in hydrologic system because they

Accepted Answer

A) serve as collection sites for organic matter that eventually turns into coal,oil,and gas. 
B) help regulate the flooding of rivers. 
C) can be drained to create new farmland. 
D) are wetlands. 
A) serve as collection sites for organic matter that eventually turns into coal,oil,and gas. 
B) help regulate the flooding of rivers. 
C) can be drained to create new farmland. 
D) are wetlands.

Question 9

Which of the following statements about groundwater in coastal regions is true?

Accepted Answer

A) Fresh water is denser than seawater; therefore,fresh groundwater floats on top of salty groundwater. 
B) Fresh water is denser than seawater; therefore,salty groundwater floats on top of fresh groundwater. 
C) Seawater is denser than fresh water; therefore,fresh groundwater floats on top of salty groundwater. 
D) Seawater is denser than fresh water; therefore,salty groundwater floats on top of fresh groundwater. 
A) Fresh water is denser than seawater; therefore,fresh groundwater floats on top of salty groundwater. 
B) Fresh water is denser than seawater; therefore,salty groundwater floats on top of fresh groundwater. 
C) Seawater is denser than fresh water; therefore,fresh groundwater floats on top of salty groundwater. 
D) Seawater is denser than fresh water; therefore,salty groundwater floats on top of fresh groundwater.

Question 10

The main difference between a hot spring and a geyser lies in the

Accepted Answer

A) temperature of the water. 
B) chemistry of the water. 
C) bedrock the water flows through. 
D) regularity of the underground plumbing system. 
A) temperature of the water. 
B) chemistry of the water. 
C) bedrock the water flows through. 
D) regularity of the underground plumbing system.

Question 11

California and Ohio both

Accepted Answer

A) belong to the Mississippi River drainage system. 
B) have 10% of their original wetlands left. 
C) have high precipitation. 
D) have access to large freshwater lakes. 
A) belong to the Mississippi River drainage system. 
B) have 10% of their original wetlands left. 
C) have high precipitation. 
D) have access to large freshwater lakes.

Question 12

Which of the following statements is true?

Accepted Answer

A) Influent streams discharge groundwater and are characteristic of arid regions. 
B) Influent streams discharge groundwater and are characteristic of humid regions. 
C) Influent streams recharge groundwater and are characteristic of arid regions. 
D) Influent streams recharge groundwater and are characteristic of humid regions. 
A) Influent streams discharge groundwater and are characteristic of arid regions. 
B) Influent streams discharge groundwater and are characteristic of humid regions. 
C) Influent streams recharge groundwater and are characteristic of arid regions. 
D) Influent streams recharge groundwater and are characteristic of humid regions.

Question 13

In the unsaturated zone,pore spaces in the soil and rock contain

Accepted Answer

A) air. 
B) water. 
C) air and water. 
D) neither air nor water. 
A) air. 
B) water. 
C) air and water. 
D) neither air nor water.

Question 14

The recycling of water on Earth is known as the ________ cycle.

Accepted Answer

A) water 
B) wet 
C) hydrous 
D) hydrologic 
A) water 
B) wet 
C) hydrous 
D) hydrologic

Question 15

The regional aquifer that lies beneath the southwestern United States is called the _____ aquifer.

Accepted Answer

A) Ogallala 
B) Carlsbad 
C) Mammoth 
D) Long Island 
A) Ogallala 
B) Carlsbad 
C) Mammoth 
D) Long Island

Question 16

As one goes deeper in Earth's crust,the porosity __________ and the concentration of dissolved minerals _______.

Accepted Answer

A) increases; increases 
B) increases; decreases 
C) decreases; increases 
D) decreases; decreases 
A) increases; increases 
B) increases; decreases 
C) decreases; increases 
D) decreases; decreases

Question 17

How has Darcy's law been verified in nature?

Accepted Answer

A) by dropping dye into groundwater wells 
B) by measuring the rate of underground rivers in caves 
C) by measuring the flow rate of springs 
D) by measuring the rate at which the water table falls or rises 
A) by dropping dye into groundwater wells 
B) by measuring the rate of underground rivers in caves 
C) by measuring the flow rate of springs 
D) by measuring the rate at which the water table falls or rises

Question 18

Which of the following represents the boundary between the saturated zone and the unsaturated zone?

Accepted Answer

A) aquifer 
B) aquiclude 
C) groundwater table 
D) porosity 
A) aquifer 
B) aquiclude 
C) groundwater table 
D) porosity

Question 19

The release of water vapor from plants is called

Accepted Answer

A) evaporation. 
B) infiltration. 
C) precipitation. 
D) transpiration. 
A) evaporation. 
B) infiltration. 
C) precipitation. 
D) transpiration.

Question 20

According to Darcy's law,which of the following aquifers will have the greatest rate of groundwater flow?

Accepted Answer

A) an aquifer with high hydraulic conductivity and a high hydraulic gradient 
B) an aquifer with high hydraulic conductivity and a low hydraulic gradient 
C) an aquifer with low hydraulic conductivity and a high hydraulic gradient 
D) an aquifer with low hydraulic conductivity and a low hydraulic gradient 
A) an aquifer with high hydraulic conductivity and a high hydraulic gradient 
B) an aquifer with high hydraulic conductivity and a low hydraulic gradient 
C) an aquifer with low hydraulic conductivity and a high hydraulic gradient 
D) an aquifer with low hydraulic conductivity and a low hydraulic gradient

Exam 17: The Hydrologic Cycle and Groundwater

Since 1965,most groundwater has been withdrawn for

Sublimation is a process whereby water is returned to the hydrologic cycle from

Groundwater that tends to be "hard" has usually passed through

How fast does most groundwater move in aquifers?

The Ogallala aquifer in the southwestern high plains of Texas and New Mexico consists of

Which of the following unfractured rocks has the highest porosity?

After oceans,which of the following reservoirs contains the most water?

Swamps are important in hydrologic system because they

Which of the following statements about groundwater in coastal regions is true?

The main difference between a hot spring and a geyser lies in the

California and Ohio both

Which of the following statements is true?

In the unsaturated zone,pore spaces in the soil and rock contain

The recycling of water on Earth is known as the ________ cycle.

The regional aquifer that lies beneath the southwestern United States is called the _____ aquifer.

As one goes deeper in Earth's crust,the porosity __________ and the concentration of dissolved minerals _______.

How has Darcy's law been verified in nature?

Which of the following represents the boundary between the saturated zone and the unsaturated zone?

The release of water vapor from plants is called

According to Darcy's law,which of the following aquifers will have the greatest rate of groundwater flow?

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

As one goes deeper in Earth's crust,the porosity ____ and the concentration of dissolved minerals _.