Question 1

An echo sounder operates by measuring the time required for a___________ .

Accepted Answer

A) sound pulse to travel from a ship to the seafloor and back 
B) radar beam to travel from a harbor patrol boat to a fuzz- buster on a speeding yacht 
C) radar beam to travel from a ship to the seafloor and back 
D) light beam to travel from a satellite at a known altitude to the sea bottom and back 
A) sound pulse to travel from a ship to the seafloor and back 
B) radar beam to travel from a harbor patrol boat to a fuzz- buster on a speeding yacht 
C) radar beam to travel from a ship to the seafloor and back 
D) light beam to travel from a satellite at a known altitude to the sea bottom and back

Question 2

Where in the oceans are biological communities thriving without sunlight?

Accepted Answer

A) in shallow water, coral reefs 
B) in muds of deep- ocean trenches 
C) around fissure vents for flood basalts 
D) around seafloor, hot spring vents 
A) in shallow water, coral reefs 
B) in muds of deep- ocean trenches 
C) around fissure vents for flood basalts 
D) around seafloor, hot spring vents

Question 3

The continental rise is located___________ .

Accepted Answer

A) at the top of a mid- ocean ridge 
B) at the seaward edge of a deep ocean trench 
C) between an abyssal plain and continental slope 
D) at the top of the continental slope 
A) at the top of a mid- ocean ridge 
B) at the seaward edge of a deep ocean trench 
C) between an abyssal plain and continental slope 
D) at the top of the continental slope

Question 4

___________correctly formulated a basic theory concerning the formation of atolls in the 1800s.

Accepted Answer

The answer of ___________correctly formulated a basic theory concerning the...

Question 5

The ___________lies at the base of the continental slope.

Accepted Answer

A) continental rise 
B) offshore shelf 
C) off- slope reef 
D) continental rift 
A) continental rise 
B) offshore shelf 
C) off- slope reef 
D) continental rift

Question 6

A(n)___________is the vast, relatively deep, flat, sediment- covered portion of the deep- ocean basin.

Accepted Answer

The answer of A(n)___________is the vast, relatively deep, flat, sediment-...

Question 7

___________is characterized by the subduction of old dense lithosphere.

Accepted Answer

Spontaneous subducti

Question 8

"Black smokers" are associated with ___________.

Accepted Answer

A) oceanic ridges 
B) hot water 
C) metal- rich sulfide deposits 
D) all of these 
A) oceanic ridges 
B) hot water 
C) metal- rich sulfide deposits 
D) all of these

Question 9

Submerged, flat- topped volcanoes that rise from the deep ocean floor are called ____________.

Accepted Answer

The answer of Submerged, flat- topped volcanoes that rise from...

Question 10

___________is (are)not part of an ophiolite complex.

Accepted Answer

A) Residual, unmelted, crustal lithosphere 
B) Intrusive, coarse- grained gabbro 
C) Steeply inclined, basaltic dikes 
D) Basaltic lavas and pillow lavas 
A) Residual, unmelted, crustal lithosphere 
B) Intrusive, coarse- grained gabbro 
C) Steeply inclined, basaltic dikes 
D) Basaltic lavas and pillow lavas

Question 11

Oceans cover approximately ___________of Earth's surface area?

Accepted Answer

A) 50% 
B) 90% 
C) 70% 
D) 10% 
A) 50% 
B) 90% 
C) 70% 
D) 10%

Question 12

A low lying, coral limestone island with a central lagoon is called a(n)___________.

Accepted Answer

The answer of A low lying, coral limestone island with...

Question 13

Briefly discuss the formation and structure of oceanic crust. What rock compositions are involved and how do these compositions change as a result of interaction with seawater?

Accepted Answer

Based on ophiolite complexes, the oceani

An echo sounder operates by measuring the time required for a___________ .

Where in the oceans are biological communities thriving without sunlight?

The continental rise is located___________ .

___________correctly formulated a basic theory concerning the formation of atolls in the 1800s.

The ___________lies at the base of the continental slope.

A(n)___________is the vast, relatively deep, flat, sediment- covered portion of the deep- ocean basin.

___________is characterized by the subduction of old dense lithosphere.

"Black smokers" are associated with ___________.

Submerged, flat- topped volcanoes that rise from the deep ocean floor are called ____________.

___________is (are)not part of an ophiolite complex.

Oceans cover approximately ___________of Earth's surface area?

A low lying, coral limestone island with a central lagoon is called a(n)___________.

Briefly discuss the formation and structure of oceanic crust. What rock compositions are involved and how do these compositions change as a result of interaction with seawater?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters

Exam 10: Origin and Evolution of the Ocean Floor

An echo sounder operates by measuring the time required for a___________ .

Where in the oceans are biological communities thriving without sunlight?

The continental rise is located___________ .

___________correctly formulated a basic theory concerning the formation of atolls in the 1800s.

The ___________lies at the base of the continental slope.

A(n)___________is the vast, relatively deep, flat, sediment- covered portion of the deep- ocean basin.

___________is characterized by the subduction of old dense lithosphere.

"Black smokers" are associated with ___________.

Submerged, flat- topped volcanoes that rise from the deep ocean floor are called ____________.

___________is (are)not part of an ophiolite complex.

Oceans cover approximately ___________of Earth's surface area?

A low lying, coral limestone island with a central lagoon is called a(n)___________.

Briefly discuss the formation and structure of oceanic crust. What rock compositions are involved and how do these compositions change as a result of interaction with seawater?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters