Question 1

Marine erosion is most rapid on low-energy coasts.

Accepted Answer

A) True 
 B)False

Question 2

A sand spit forms when:

Accepted Answer

A)  a long-shore current speeds up. 
B)  a long-shore current slows. 
C)  a turbidity currents flows near a coast. 
D)  a gyre approaches coasts. 
A)  a long-shore current speeds up. 
B)  a long-shore current slows. 
C)  a turbidity currents flows near a coast. 
D)  a gyre approaches coasts.

Question 3

The downcoast transport mechanism for beach sand along much of the Pacific coast is called:

Accepted Answer

A)  the longshore current, a current that moves sand north-to-south along the coast, parallel to shore, at a great distance away from land. 
B)  the longshore current, a current that moves sand south-to-north along the coast, parallel to shore, at a great distance away from land. 
C)  the longshore current, a current that moves sand north-to-south along the coast, parallel to shore, close to shore. 
D)  the longshore current, a current that moves sand south-to-north along the coast, parallel to shore, close to shore. 
A)  the longshore current, a current that moves sand north-to-south along the coast, parallel to shore, at a great distance away from land. 
B)  the longshore current, a current that moves sand south-to-north along the coast, parallel to shore, at a great distance away from land. 
C)  the longshore current, a current that moves sand north-to-south along the coast, parallel to shore, close to shore. 
D)  the longshore current, a current that moves sand south-to-north along the coast, parallel to shore, close to shore.

Question 4

The large waves of late summer modify the shape of sandy beaches. Huge "bites" of beach are removed from the exposed beach and end up in offshore sand bars. These "bites" are most evident in the form of a very large and high:

Accepted Answer

A)  berm. 
B)  shore face, or beach scarp. 
C)  foreshore. 
D)  backshore. 
A)  berm. 
B)  shore face, or beach scarp. 
C)  foreshore. 
D)  backshore.

Question 5

Human activities that have contributed to shoreline erosion include:

Accepted Answer

A)  seasonal traffic at beaches during the summer months 
B)  depositional processes 
C)  placement of seawalls along the shoreline 
D)  excess fishing and boating activities 
A)  seasonal traffic at beaches during the summer months 
B)  depositional processes 
C)  placement of seawalls along the shoreline 
D)  excess fishing and boating activities

Marine erosion is most rapid on low-energy coasts.

A sand spit forms when:

The downcoast transport mechanism for beach sand along much of the Pacific coast is called:

The large waves of late summer modify the shape of sandy beaches. Huge "bites" of beach are removed from the exposed beach and end up in offshore sand bars. These "bites" are most evident in the form of a very large and high:

Human activities that have contributed to shoreline erosion include:

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters

Exam 11: Coasts

Marine erosion is most rapid on low-energy coasts.

A sand spit forms when:

The downcoast transport mechanism for beach sand along much of the Pacific coast is called:

The large waves of late summer modify the shape of sandy beaches. Huge "bites" of beach are removed from the exposed beach and end up in offshore sand bars. These "bites" are most evident in the form of a very large and high:

Human activities that have contributed to shoreline erosion include:

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters