Question 1

The typical mountain valley that has been subjected to glaciation is shaped like

Accepted Answer

A) a semi-circle. 
B) the letter "U." 
C) one half of a square. 
D) the letter "V." 
A) a semi-circle. 
B) the letter "U." 
C) one half of a square. 
D) the letter "V."

Question 2

Rain or snow that falls on the continents is Earth's only

Accepted Answer

A) supply of water. 
B) supply of fresh water. 
C) hydrologic cycle. 
D) source of evaporation and condensation. 
A) supply of water. 
B) supply of fresh water. 
C) hydrologic cycle. 
D) source of evaporation and condensation.

Question 3

Which has the longest residence time?

Accepted Answer

A) groundwater 
B) rivers,lakes,and streams 
C) polar ice caps and glaciers 
D) rainwater 
A) groundwater 
B) rivers,lakes,and streams 
C) polar ice caps and glaciers 
D) rainwater

Question 4

Karst topography is dominated by

Accepted Answer

A) rivers and lakes. 
B) sinkholes,caves,and caverns. 
C) rugged hills and valleys. 
D) glaciers. 
A) rivers and lakes. 
B) sinkholes,caves,and caverns. 
C) rugged hills and valleys. 
D) glaciers.

Question 5

In general,a stream with a high discharge tends to have

Accepted Answer

A) increased laminar flow. 
B) increased turbulent flow. 
C) a high velocity. 
D) a narrow stream channel. 
A) increased laminar flow. 
B) increased turbulent flow. 
C) a high velocity. 
D) a narrow stream channel.

Question 6

The discharge of a stream is directly related to the

Accepted Answer

A) volume of water flowing past a given point in a channel in a given amount of time. 
B) cross-sectional area of a channel and the average stream velocity. 
C) average stream speed and frictional contact. 
D) channel geometry and frictional contact. 
A) volume of water flowing past a given point in a channel in a given amount of time. 
B) cross-sectional area of a channel and the average stream velocity. 
C) average stream speed and frictional contact. 
D) channel geometry and frictional contact.

Question 7

Why does quartz sandstone have a high porosity and a high permeability?

Accepted Answer

Quartz sandstone is predominantly compos

Question 8

Which of the following is a necessary condition for an ice mass to be a glacier?

Accepted Answer

A) Accumulation must exceed ablation. 
B) Basal sliding must occur. 
C) The ice mass must move under its own weight. 
D) Meltwater must be present. 
A) Accumulation must exceed ablation. 
B) Basal sliding must occur. 
C) The ice mass must move under its own weight. 
D) Meltwater must be present.

Question 9

Sand dunes form as wind

Accepted Answer

A) disperses sand. 
B) blows sand from the back to the front of the dune. 
C) blows sand from the front to the back of the dune. 
D) interrupts the normal sequence of deposition. 
A) disperses sand. 
B) blows sand from the back to the front of the dune. 
C) blows sand from the front to the back of the dune. 
D) interrupts the normal sequence of deposition.

Question 10

In a hypothetical stream flowing downslope,stream discharge doubles while the channel remains the same size and shape.For this situation,what will happen to the stream's speed?

Accepted Answer

Stream spe

Question 11

On a floodplain,stream flow is generally

Accepted Answer

A) laminar. 
B) turbulent. 
C) meandering. 
D) channeled. 
A) laminar. 
B) turbulent. 
C) meandering. 
D) channeled.

Question 12

Where groundwater discharges to a stream,the elevation of the water table next to the stream

Accepted Answer

A) is lower than the surface of the stream. 
B) is the same as the surface of the stream. 
C) is higher than the surface of the stream. 
D) Not enough information given 
A) is lower than the surface of the stream. 
B) is the same as the surface of the stream. 
C) is higher than the surface of the stream. 
D) Not enough information given

Question 13

What three factors affect porosity?

Accepted Answer

Porosity is the ratio of total

Question 14

Flowing surface water alters the landscape in what ways?

Accepted Answer

A) erosion 
B) deposition of sediments 
C) weathering 
D) It weathers and erodes sediments,and then it deposits sediment. 
A) erosion 
B) deposition of sediments 
C) weathering 
D) It weathers and erodes sediments,and then it deposits sediment.

Question 15

As sediment travels in a downstream river,it changes by getting

Accepted Answer

A) coarser. 
B) finer. 
C) more poorly sorted. 
D) more angular. 
A) coarser. 
B) finer. 
C) more poorly sorted. 
D) more angular.

Question 16

When the discharge of a stream increases,what happens to stream speed?

Accepted Answer

An increase in discharge will always mea

Question 17

Water in the unsaturated zone is called

Accepted Answer

A) groundwater. 
B) unsaturated water. 
C) pore-water. 
D) soil-moisture. 
A) groundwater. 
B) unsaturated water. 
C) pore-water. 
D) soil-moisture.

Question 18

Blocks of ice buried in a glacial moraine often result in the formation of

Accepted Answer

A) drumlins. 
B) roches moutonnees. 
C) small glacial lakes-kettle lakes. 
D) eskers. 
A) drumlins. 
B) roches moutonnees. 
C) small glacial lakes-kettle lakes. 
D) eskers.

Question 19

V-shaped valleys are

Accepted Answer

A) "old-age" valleys. 
B) formed by glaciers. 
C) of depositional origin. 
D) common in mountainous regions. 
A) "old-age" valleys. 
B) formed by glaciers. 
C) of depositional origin. 
D) common in mountainous regions.

Question 20

Water is vital to life on our planet.Most of Earth's water supply is in the

Accepted Answer

A) oceans. 
B) ice caps. 
C) rivers,lakes,and streams. 
D) ground. 
A) oceans. 
B) ice caps. 
C) rivers,lakes,and streams. 
D) ground.

Exam 22: Shaping Earths Surface

The typical mountain valley that has been subjected to glaciation is shaped like

Rain or snow that falls on the continents is Earth's only

Which has the longest residence time?

Karst topography is dominated by

In general,a stream with a high discharge tends to have

The discharge of a stream is directly related to the

Why does quartz sandstone have a high porosity and a high permeability?

Which of the following is a necessary condition for an ice mass to be a glacier?

Sand dunes form as wind

In a hypothetical stream flowing downslope,stream discharge doubles while the channel remains the same size and shape.For this situation,what will happen to the stream's speed?

On a floodplain,stream flow is generally

Where groundwater discharges to a stream,the elevation of the water table next to the stream

What three factors affect porosity?

Flowing surface water alters the landscape in what ways?

As sediment travels in a downstream river,it changes by getting

When the discharge of a stream increases,what happens to stream speed?

Water in the unsaturated zone is called

Blocks of ice buried in a glacial moraine often result in the formation of

V-shaped valleys are

Water is vital to life on our planet.Most of Earth's water supply is in the

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters