Question 1

A ridge or highland that separates drainage systems that empty into different ocean basins is called a(n) __________.

Accepted Answer

A)  drainage divide
B)  continental divide
C)  internal drainage system
D)  dendritic drainage system B

Question 2

Floodplains experience flooding on a regular basis.

Accepted Answer

A) True 
 B)False  True

Question 3

A __________ is a small stream that joins with other small streams.

Accepted Answer

A)  drainage basin
B)  trunk stream
C)  tributary
D)  mouth C

Question 4

Why do coastal deltas subside?

Accepted Answer

A)  Plate tectonics lowers the land elevation.
B)  The weight of buildings people place on deltas causes them to sink.
C)  Farming activities cause them to subside.
D)  The weight of sediments causes them to compact.

Question 5

-In the figure, box D shows what type of drainage pattern?

Accepted Answer

A)  dendritic
B)  radial
C)  rectangular
D)  centripetal

Question 6

Blocking the flow of a stream with a natural phenomenon, like a landslide, creates a __________.

Accepted Answer

A)  reservoir
B)  delta
C)  lake
D)  distributary

Question 7

Do you live where it floods? What kinds of information would you need in order to answer this question if you do not know?

Accepted Answer

The answer of Do you live where it floods? What...

Question 8

It is not possible to tell whether a stream is superposed or antecedent by simple visual observation.

Accepted Answer

A) True 
 B)False

Question 9

Dams and reservoirs reduce peak discharge amounts of a stream following a storm.

Accepted Answer

A) True 
 B)False

Question 10

Canada has about __________ dams.

Accepted Answer

A)  1,000
B)  10,000
C)  50,000
D)  80,000

Question 11

Hydroelectricity is a carbon-free energy source.

Accepted Answer

A) True 
 B)False

Question 12

Which is a disadvantage of levees?

Accepted Answer

A)  sedimentation reduces reservoir capacity
B)  often constrict the stream channel and reduce riparian habitat
C)  requires large amounts of undeveloped land that can be flooded
D)  controls flooding

Question 13

Where do natural levees form and how do they form?

Accepted Answer

The answer of Where do natural levees form and how...

Question 14

Which defines an alluvial fan?

Accepted Answer

A)  a cone-shaped accumulation of sediments deposited by a stream
B)  a small stream that joins with other small streams
C)  the area of flat land near a stream that experiences flooding on a regular basis
D)  a stream that forms intertwining channels around sediments in the streambed

Question 15

High-gradient streams occur on the floodplains of a drainage basin.

Accepted Answer

A) True 
 B)False

Question 16

Stream height is measured using what?

Accepted Answer

A)  a stilling well
B)  a current meter
C)  a laser
D)  a stream hydrograph

Question 17

Soluble minerals carried in solution by a stream are an example of what?

Accepted Answer

A)  abrasion
B)  the dissolved load
C)  the suspended load
D)  the bed load

Question 18

The Johnstown Flood in 1889 was a flash flood.

Accepted Answer

A) True 
 B)False

Question 19

Which is not one of the cons of dams and their reservoirs?

Accepted Answer

A)  loss of cultural sites and habitat
B)  sedimentation
C)  flooded communities and farmland
D)  transportation

Question 20

__________ drainage forms on a surface that was recently covered by ice sheets.

Accepted Answer

A)  Dendritic
B)  Deranged
C)  Radial
D)  Rectangular

Exam 17: Flowing Water: Fluvial Systems

A ridge or highland that separates drainage systems that empty into different ocean basins is called a(n) __________.

Floodplains experience flooding on a regular basis.

A __________ is a small stream that joins with other small streams.

Why do coastal deltas subside?

-In the figure, box D shows what type of drainage pattern?

Blocking the flow of a stream with a natural phenomenon, like a landslide, creates a __________.

Do you live where it floods? What kinds of information would you need in order to answer this question if you do not know?

It is not possible to tell whether a stream is superposed or antecedent by simple visual observation.

Dams and reservoirs reduce peak discharge amounts of a stream following a storm.

Canada has about __________ dams.

Hydroelectricity is a carbon-free energy source.

Which is a disadvantage of levees?

Where do natural levees form and how do they form?

Which defines an alluvial fan?

High-gradient streams occur on the floodplains of a drainage basin.

Stream height is measured using what?

Soluble minerals carried in solution by a stream are an example of what?

The Johnstown Flood in 1889 was a flash flood.

Which is not one of the cons of dams and their reservoirs?

__________ drainage forms on a surface that was recently covered by ice sheets.