Question 1

The Ohio River going back and forth in direction is a good example of a __________ stream.

Accepted Answer

The answer of The Ohio River going back and forth...

Question 2

Describe the conditions within a stream that allow it to be described as representing a "graded" condition.

Accepted Answer

The answer of Describe the conditions within a stream that...

Question 3

A __________ stream has a low gradient, multiple threads, and a variable range of sediment loads.

Accepted Answer

A) straight 
B) meandering 
C) braided 
D) oxbow 
E) none of the above

Question 4

Which of the following factors influence soil erosion?

Accepted Answer

A) particle size 
B) plant roots 
C) hillslope angle 
D) all of these 
E) none of these

Question 5

When sediment is deposited in a stream bed by the process of flowing water, it is described as __________.

Accepted Answer

A) colluvium 
B) alluvium 
C) an alluvial terrace 
D) precipitation

Question 6

The suspended and dissolved sediment and bed load carried by a stream is collectively known as the stream's __________.

Accepted Answer

The answer of The suspended and dissolved sediment and bed...

Question 7

Potholes form in a stream bed as a result of this process:

Accepted Answer

A) dissolution 
B) meteorite impacts 
C) deposition 
D) abrasion

Question 8

__________is/are the most difficult sediment loads for a stream to move?

Accepted Answer

A) Silt 
B) Sand 
C) Cobbles 
D) Boulders 
E) all of these are equal

Question 9

Which one of the following fluvial landforms is depositional in nature?

Accepted Answer

A) canyon 
B) gorge 
C) valley 
D) delta

Question 10

Which of the following is smallest in size?

Accepted Answer

A) Plateau 
B) Mesa 
C) Butte 
D) They are all the same size

Question 11

A __________ is an excellent example of a fluvial erosional landform.

Accepted Answer

A) volcano 
B) canyon 
C) river delta 
D) fault scarp

Question 12

__________ are places you would expect to find depositional landforms:

Accepted Answer

A) Mountain peaks 
B) Canyon mouths 
C) Canyon Rims 
D) Regions composed of competent bedrock

Question 13

__________ are built by streams carrying heavy loads of coarse rock waste from an arid mountain or upland region.

Accepted Answer

A) Alluvial fans 
B) Point bars 
C) Alluvial terraces 
D) Waterfalls

Question 14

A gently sloping, conical accumulation of alluvium deposited by a stream emerging from a rock gorge or rock notch found in desert basin and range area is known as a:

Accepted Answer

A) playas 
B) alluvial fans 
C) badlands 
D) mesas

Question 15

Points where the gradient of the stream changes abruptly, such as waterfalls
and rapids, are called nickpoints.

Accepted Answer

A) True 
 B)False

Question 16

Water erosion rarely occurs in deserts.

Accepted Answer

A) True 
 B)False

Question 17

The development of natural landscapes is best explained by which of the following choices?

Accepted Answer

A) Landscape uplift is an ongoing process to which erosional processes are constantly adjusting. 
B) Landscape uplift occurs slowly due to plate tectonic processes while erosional processes work much more rapidly. 
C) Mountains are rapidly built by plate tectonic processes, then slowly worn down by erosion. 
D) There is no known relationship between landscape uplift and erosional processes.

Question 18

Which of the following mechanisms are responsible for generating erosional landforms?

Accepted Answer

A) flowing water 
B) earthquake activity 
C) lava flows 
D) all of these 
E) none of these

Question 19

Landforms generated by water flowing across the surface of the Earth are described as:

Accepted Answer

A) meandering 
B) fluvial 
C) anastomosing 
D) tectonic 
E) alluvial

Question 20

Which of the following sediment loads do streams have the most difficulty moving?

Accepted Answer

A) suspended load 
B) virtual load 
C) dissolved load 
D) bed load

Exam 12: Land-Forms Made by Running Water