Question 1

The shelf break is the transition between the continental slope and the abyssal plains.

Accepted Answer

A) True 
 B)False

Question 2

Hydrothermal vents are located near:

Accepted Answer

A)  passive continental margins. 
B)  zones of rapid seafloor spreading. 
C)  the edges of the deep sea trenches. 
D)  the margins of the Hawaiian chain. 
A)  passive continental margins. 
B)  zones of rapid seafloor spreading. 
C)  the edges of the deep sea trenches. 
D)  the margins of the Hawaiian chain.

Question 3

Which of the following statements accurately describes active continental margins?

Accepted Answer

A)  They are regions of great geological stability. 
B)  They are characteristic of the margins of the Atlantic Basin. 
C)  They are areas of frequent earthquakes and volcanoes, where lithospheric plates are converging or are in collision. 
D)  They are areas where lithospheric plates are actively moving apart. 
A)  They are regions of great geological stability. 
B)  They are characteristic of the margins of the Atlantic Basin. 
C)  They are areas of frequent earthquakes and volcanoes, where lithospheric plates are converging or are in collision. 
D)  They are areas where lithospheric plates are actively moving apart.

Question 4

The mid-ocean mountains, such as the ridges and rises:

Accepted Answer

A)  are similar in origin to the Alps, the Rockies, and the Appalachians. 
B)  are composed of folded and faulted marine sedimentary rocks. 
C)  are constructed of volcanic basalt. 
D)  are similar in size and features to most continental mountains. 
A)  are similar in origin to the Alps, the Rockies, and the Appalachians. 
B)  are composed of folded and faulted marine sedimentary rocks. 
C)  are constructed of volcanic basalt. 
D)  are similar in size and features to most continental mountains.

Question 5

Trenches and island arcs are found at spreading centers.

Accepted Answer

A) True 
 B)False

Question 6

Water depth over continental shelves averages only about:

Accepted Answer

A)  16 meters(50 feet) 
B)  35 meters(115 feet) 
C)  75 meters (250 feet) 
D)  100 meters (300 feet) 
A)  16 meters(50 feet) 
B)  35 meters(115 feet) 
C)  75 meters (250 feet) 
D)  100 meters (300 feet)

Question 7

the widest continental shelf is located in:

Accepted Answer

A)  the Arctic Sea north of Siberia. 
B)  the western edge of South America. 
C)  the margin surrounding the Hawaiian Islands. 
D)  the Emperor Seamounts. 
A)  the Arctic Sea north of Siberia. 
B)  the western edge of South America. 
C)  the margin surrounding the Hawaiian Islands. 
D)  the Emperor Seamounts.

Question 8

Distinguish between active and passive continental margins.

Accepted Answer

As lithospheric plates move about the pl

Question 9

The Emperor Sea Mounts are found in:

Accepted Answer

A)  the Sagasso Sea. 
B)  the South Pacific. 
C)  the North West Pacific. 
D)  the coastal region of Australia. 
A)  the Sagasso Sea. 
B)  the South Pacific. 
C)  the North West Pacific. 
D)  the coastal region of Australia.

Question 10

The great heaps of unconsolidated sediment at the base of the continental slope are known as:

Accepted Answer

A)  the continental rise. 
B)  the abyssal hills. 
C)  the abyssal plains. 
D)  the mid-ocean mountains. 
A)  the continental rise. 
B)  the abyssal hills. 
C)  the abyssal plains. 
D)  the mid-ocean mountains.

Question 11

Abyssal hills are small extinct volcanoes commonly associated with:

Accepted Answer

A)  seafloor spreading. 
B)  convergent zones. 
C)  active continental margins. 
D)  continental shelves. 
A)  seafloor spreading. 
B)  convergent zones. 
C)  active continental margins. 
D)  continental shelves.

Question 12

The characteristics of deep trenches indicate:

Accepted Answer

A)  they are submerged erosional features. 
B)  they are elongated depressions in the oceanic crust. 
C)  they are glacial troughs dating back to the Ice Age. 
D)  they are erosional canyons cut by turbidity currents. 
A)  they are submerged erosional features. 
B)  they are elongated depressions in the oceanic crust. 
C)  they are glacial troughs dating back to the Ice Age. 
D)  they are erosional canyons cut by turbidity currents.

Question 13

The deepest parts of the Pacific Basin are located:

Accepted Answer

A)  in the center of the Pacific Ocean near the Hawaiian Islands. 
B)  in the eastern part of the basin, off North America. 
C)  in the rift valley of the East Pacific Rise. 
D)  near the margins of South America, Japan, and the Marianas Islands. 
A)  in the center of the Pacific Ocean near the Hawaiian Islands. 
B)  in the eastern part of the basin, off North America. 
C)  in the rift valley of the East Pacific Rise. 
D)  near the margins of South America, Japan, and the Marianas Islands.

Question 14

The landscape of the seafloor could best be described as:

Accepted Answer

A)  a featureless plain. 
B)  a smooth descent with the deepest portions farthest from land. 
C)  similar in rock type, sediment thickness, and erosional processes to those found on the land. 
D)  huge abyssal plains containing ridges, trenches, seamounts. 
A)  a featureless plain. 
B)  a smooth descent with the deepest portions farthest from land. 
C)  similar in rock type, sediment thickness, and erosional processes to those found on the land. 
D)  huge abyssal plains containing ridges, trenches, seamounts.

Question 15

The continental shelf:

Accepted Answer

A)  is a narrow strip on the East Coast of the United States. 
B)  is a steep zone dropping off to the deep seafloor like a cliff. 
C)  is a featureless plain unlike the neighboring continent. 
D)  is a gently sloping platform with a variable landscape. 
A)  is a narrow strip on the East Coast of the United States. 
B)  is a steep zone dropping off to the deep seafloor like a cliff. 
C)  is a featureless plain unlike the neighboring continent. 
D)  is a gently sloping platform with a variable landscape.

Question 16

Abyssal plains and abyssal hills cover a quarter of the Earth's surface.

Accepted Answer

A) True 
 B)False

Question 17

The oldest and best-known deep-diving submarines is the:

Accepted Answer

A)  Geostat 
B)  Alvin 
C)  TOPEX/Poseidon 
D)  Challenger 
A)  Geostat 
B)  Alvin 
C)  TOPEX/Poseidon 
D)  Challenger

Question 18

What is a submarine canyon and how are they formed?

Accepted Answer

A submarine canyon is a canyon that cuts

Question 19

Flat-topped seamounts that rise from the ocean floor are called:

Accepted Answer

A)  ridges. 
B)  island arcs. 
C)  guyots. 
D)  abyssal hills. 
A)  ridges. 
B)  island arcs. 
C)  guyots. 
D)  abyssal hills.

Question 20

Which of the following statements is true regarding the islands bordering deep-sea trenches?

Accepted Answer

A)  They are the result of a series of quiet, continuous basaltic eruptions. 
B)  They are accumulations of sediments on the margins of the trenches. 
C)  They are formed from the activities of coral and other organisms. 
D)  They are explosive volcanoes and are called island arcs. 
A)  They are the result of a series of quiet, continuous basaltic eruptions. 
B)  They are accumulations of sediments on the margins of the trenches. 
C)  They are formed from the activities of coral and other organisms. 
D)  They are explosive volcanoes and are called island arcs.

The shelf break is the transition between the continental slope and the abyssal plains.

Hydrothermal vents are located near:

Which of the following statements accurately describes active continental margins?

The mid-ocean mountains, such as the ridges and rises:

Trenches and island arcs are found at spreading centers.

Water depth over continental shelves averages only about:

the widest continental shelf is located in:

Distinguish between active and passive continental margins.

The Emperor Sea Mounts are found in:

The great heaps of unconsolidated sediment at the base of the continental slope are known as:

Abyssal hills are small extinct volcanoes commonly associated with:

The characteristics of deep trenches indicate:

The deepest parts of the Pacific Basin are located:

The landscape of the seafloor could best be described as:

The continental shelf:

Abyssal plains and abyssal hills cover a quarter of the Earth's surface.

The oldest and best-known deep-diving submarines is the:

What is a submarine canyon and how are they formed?

Flat-topped seamounts that rise from the ocean floor are called:

Which of the following statements is true regarding the islands bordering deep-sea trenches?

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters

Exam 4: Ocean Basins

The shelf break is the transition between the continental slope and the abyssal plains.

Hydrothermal vents are located near:

Which of the following statements accurately describes active continental margins?

The mid-ocean mountains, such as the ridges and rises:

Trenches and island arcs are found at spreading centers.

Water depth over continental shelves averages only about:

the widest continental shelf is located in:

Distinguish between active and passive continental margins.

The Emperor Sea Mounts are found in:

The great heaps of unconsolidated sediment at the base of the continental slope are known as:

Abyssal hills are small extinct volcanoes commonly associated with:

The characteristics of deep trenches indicate:

The deepest parts of the Pacific Basin are located:

The landscape of the seafloor could best be described as:

The continental shelf:

Abyssal plains and abyssal hills cover a quarter of the Earth's surface.

The oldest and best-known deep-diving submarines is the:

What is a submarine canyon and how are they formed?

Flat-topped seamounts that rise from the ocean floor are called:

Which of the following statements is true regarding the islands bordering deep-sea trenches?

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters