Question 1

Which of the following is not a difference between the Mississippi River Basin and the Great Basin?

Accepted Answer

A)  One empties into the ocean and the other does not. 
B)  One has more streams than the other. 
C)  One is much larger than the other. 
D)  One experiences evaporation and the other does not. 
A)  One empties into the ocean and the other does not. 
B)  One has more streams than the other. 
C)  One is much larger than the other. 
D)  One experiences evaporation and the other does not.

Question 2

Why might one river have a much greater dissolved load than another river?

Accepted Answer

A)  faster flow rate 
B)  nature of the sediment-forming rock 
C)  fewer meanders and a broader basin 
D)  a narrow channel just before the sea 
A)  faster flow rate 
B)  nature of the sediment-forming rock 
C)  fewer meanders and a broader basin 
D)  a narrow channel just before the sea

Question 3

Streams that flow through channels cut in solid rock are called ________ streams.

Accepted Answer

A)  local 
B)  alluvial 
C)  channel 
D)  bedrock 
A)  local 
B)  alluvial 
C)  channel 
D)  bedrock

Question 4

Where does a point bar accumulate?

Accepted Answer

A)  on the outside of a meander 
B)  between distributary channels 
C)  at the outer ends of a delta 
D)  on the inside of a meander 
A)  on the outside of a meander 
B)  between distributary channels 
C)  at the outer ends of a delta 
D)  on the inside of a meander

Question 5

What would happen if you had 35 years of data on the stream that you could use for this calculation, but in the last 15 years, urbanization has made the drainage basin virtually unrecognizable?

Accepted Answer

You would get falsely low numb

Question 6

If a great amount of precipitation falls on the drainage basin of a river that is surrounded by well-established trees, what is likely to happen?

Accepted Answer

A)  The base level of the profile will rise. 
B)  The slope of the base level of the stream profile will increase. 
C)  The slope of the base level of the stream profile will decrease. 
D)  The base level of the profile will be lowered. 
A)  The base level of the profile will rise. 
B)  The slope of the base level of the stream profile will increase. 
C)  The slope of the base level of the stream profile will decrease. 
D)  The base level of the profile will be lowered.

Question 7

Which of the following stream properties tends to increase downstream?

Accepted Answer

A)  stream power per area of stream bed 
B)  shear stress 
C)  sediment load 
D)  grain size of bedload 
A)  stream power per area of stream bed 
B)  shear stress 
C)  sediment load 
D)  grain size of bedload

Question 8

Choose the option that sequences the loads in order from smallest particles to largest.

Accepted Answer

A)  dissolved, bed, suspended 
B)  dissolved, suspended, bed 
C)  suspended, dissolved, bed 
D)  suspended, bed, dissolved 
A)  dissolved, bed, suspended 
B)  dissolved, suspended, bed 
C)  suspended, dissolved, bed 
D)  suspended, bed, dissolved

Question 9

Figure 16.20  
-Using Figure 16.20 in your textbook, which statement comparing stream patterns is true?

Accepted Answer

A)  A braided pattern is less stable and more variable than a meandering pattern. 
B)  A braided pattern is more stable and has coarser sediment grains than a meandering pattern. 
C)  A braided pattern is less stable and has finer sediment grains than a meandering pattern. 
D)  A braided pattern is less stable and has a lower slope than a meandering pattern. 
A)  A braided pattern is less stable and more variable than a meandering pattern. 
B)  A braided pattern is more stable and has coarser sediment grains than a meandering pattern. 
C)  A braided pattern is less stable and has finer sediment grains than a meandering pattern. 
D)  A braided pattern is less stable and has a lower slope than a meandering pattern.

Question 10

Which of the following statements do not apply to flash floods?

Accepted Answer

A)  form from high-intensity rainfall in small, steep, drainage basins. 
B)  are hard to predict because they happen so unexpectedly. 
C)  are deepest in narrow bedrock canyons. 
D)  progressively inundate larger and larger areas of the floodplain. 
A)  form from high-intensity rainfall in small, steep, drainage basins. 
B)  are hard to predict because they happen so unexpectedly. 
C)  are deepest in narrow bedrock canyons. 
D)  progressively inundate larger and larger areas of the floodplain.

Question 11

How does flow velocity relate to discharge? How does area relate to discharge?

Accepted Answer

As flow velocity and

Question 12

A student makes the conclusion, "When a lot of precipitation falls, streams get deeper as a result." Evaluate this statement.

Accepted Answer

A)  The statement is completely true. 
B)  The statement is usually true, unless there is a landslide in the stream. 
C)  The statement is true only when the precipitation does not bring a lot of new sediment into the stream. 
D)  The statement is false. 
A)  The statement is completely true. 
B)  The statement is usually true, unless there is a landslide in the stream. 
C)  The statement is true only when the precipitation does not bring a lot of new sediment into the stream. 
D)  The statement is false.

Question 13

What is the recurrence interval that is considered acceptable by insurers for development on flood plains?

Accepted Answer

A)  10 years 
B)  50 years 
C)  100 years 
D)  500 years 
A)  10 years 
B)  50 years 
C)  100 years 
D)  500 years

Question 14

For most streams, bank full discharge occurs

Accepted Answer

A)  daily. 
B)  about once per month. 
C)  about once every 2 years. 
D)  about once every 75 years. 
A)  daily. 
B)  about once per month. 
C)  about once every 2 years. 
D)  about once every 75 years.

Question 15

The landform produced when a stream enters into a lake, reservoir or sea is called a

Accepted Answer

A)  alluvial fan. 
B)  sand bar. 
C)  delta. 
D)  gravel deposit. 
A)  alluvial fan. 
B)  sand bar. 
C)  delta. 
D)  gravel deposit.

Question 16

Deep Springs Lake in California does not have an outlet because

Accepted Answer

A)  of surrounding topography. 
B)  of the rock type that forms the base of the lake. 
C)  evaporation keeps the lake from filling up. 
D)  rain does not fall on the lake, so it does not fill up. 
A)  of surrounding topography. 
B)  of the rock type that forms the base of the lake. 
C)  evaporation keeps the lake from filling up. 
D)  rain does not fall on the lake, so it does not fill up.

Question 17

Which of the following is not an evaporite mineral left by dried-up lakes?

Accepted Answer

A)  borax 
B)  halite 
C)  chlorite 
D)  gypsum 
A)  borax 
B)  halite 
C)  chlorite 
D)  gypsum

Question 18

What causes the formation of distributary channels?

Accepted Answer

A)  The stream clogs as the coarsest bedload is deposited. 
B)  The stream loses power as it widens. 
C)  The stream joins an ocean, sea, reservoir, or lake. 
D)  The stream meets an area where the underlying rock is much harder than the rock before it. 
A)  The stream clogs as the coarsest bedload is deposited. 
B)  The stream loses power as it widens. 
C)  The stream joins an ocean, sea, reservoir, or lake. 
D)  The stream meets an area where the underlying rock is much harder than the rock before it.

Question 19

Why does it take less energy for a stream to pick up larger silt grains than smaller silt and clay sized particles?

Accepted Answer

Small silt and clay sized part

Question 20

Figure 16.7  
-According to Figure 16.7 in your textbook, which river carries the greatest sediment load in North America?

Accepted Answer

A)  the Columbia 
B)  the Mackenzie 
C)  the Mississippi 
D)  the Colorado 
A)  the Columbia 
B)  the Mackenzie 
C)  the Mississippi 
D)  the Colorado

Exam 16: Streams: Flowing Water Shapes the Landscape

Which of the following is not a difference between the Mississippi River Basin and the Great Basin?

Why might one river have a much greater dissolved load than another river?

Streams that flow through channels cut in solid rock are called ________ streams.

Where does a point bar accumulate?

What would happen if you had 35 years of data on the stream that you could use for this calculation, but in the last 15 years, urbanization has made the drainage basin virtually unrecognizable?

If a great amount of precipitation falls on the drainage basin of a river that is surrounded by well-established trees, what is likely to happen?

Which of the following stream properties tends to increase downstream?

Choose the option that sequences the loads in order from smallest particles to largest.

Figure 16.20 -Using Figure 16.20 in your textbook, which statement comparing stream patterns is true?

Which of the following statements do not apply to flash floods?

How does flow velocity relate to discharge? How does area relate to discharge?

A student makes the conclusion, "When a lot of precipitation falls, streams get deeper as a result." Evaluate this statement.

What is the recurrence interval that is considered acceptable by insurers for development on flood plains?

For most streams, bank full discharge occurs

The landform produced when a stream enters into a lake, reservoir or sea is called a

Deep Springs Lake in California does not have an outlet because

Which of the following is not an evaporite mineral left by dried-up lakes?

What causes the formation of distributary channels?

Why does it take less energy for a stream to pick up larger silt grains than smaller silt and clay sized particles?

Figure 16.7 -According to Figure 16.7 in your textbook, which river carries the greatest sediment load in North America?

Why Study Earth

Minerals: Building Blocks of the Planet

Rocks and Rock-Forming Processes

Formation of Magma and Igneous Rocks

Formation of Sediment and Sedimentary Rocks

Formation of Metamorphic Rocks

Earth Materials As Time Keepers

Earth Materials As Time Keepers

Making Earth

Motion Inside Earth

Deformation of Rocks

Global Tectonics: Plates and Plumes

Tectonics and Surface Relief

Soil Formation and Landscape Stability

Mass Movements: Landscapes in Motion

Water Flowing Underground

Glaciers: Cold-Climate Sculptors of Continents

Shorelines: Changing Landscapes Where Land Meets Sea

Wind: a Global Geologic Process

Global Warming: Real Time Change in the Earth System

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