Question 1

Which plate does the westward-moving South American Plate encounter in South America?

Accepted Answer

A)  Cocos plate 
B)  Juan De Fuca plate 
C)  Farallon plate 
D)  Nazca plate 
A)  Cocos plate 
B)  Juan De Fuca plate 
C)  Farallon plate 
D)  Nazca plate

Question 2

Which statement is true with regard to subduction zones?

Accepted Answer

A)  They are also referred to as hot spots. 
B)  They are sites where lithospheric plates are diverging or pulling apart. 
C)  They are marked by the presence of mid-ocean ridges. 
D)  They are zones where old seafloor descends into the crust and mantle. 
A)  They are also referred to as hot spots. 
B)  They are sites where lithospheric plates are diverging or pulling apart. 
C)  They are marked by the presence of mid-ocean ridges. 
D)  They are zones where old seafloor descends into the crust and mantle.

Question 3

The Hawai ' ian Islands were formed within the last 2 million years above a hot spot that is now inactive.

Accepted Answer

A) True 
 B)False

Question 4

If Earth were uniform (homogenous) throughout, seismic waves would .

Accepted Answer

A)  not travel from the site of an earthquake and stop at its origination point 
B)  bend as it moves from the earthquake site toward the center of Earth and then back to the surface 
C)  be reflected from the earthquake site after traveling half the distance to the center 
D)  radiate from the site of an earthquake in straight lines 
A)  not travel from the site of an earthquake and stop at its origination point 
B)  bend as it moves from the earthquake site toward the center of Earth and then back to the surface 
C)  be reflected from the earthquake site after traveling half the distance to the center 
D)  radiate from the site of an earthquake in straight lines

Question 5

A "mystery" in our understanding of plate tectonics has been, until recently, the nature of the power source capable of moving the plates and the continents embedded within them. Recent evidence indicates the power source to be .

Accepted Answer

A)  the readjustment of the surface to continual shrinking of the whole Earth 
B)  convection currents within Earth's mantle moving the plates 
C)  the action of ocean currents dragging along the seafloor, causing the seafloor and the continents to move 
D)  the continual vibration from earthquakes and volcanoes slowly moves the continents equator-ward under the influence of centrifugal force 
A)  the readjustment of the surface to continual shrinking of the whole Earth 
B)  convection currents within Earth's mantle moving the plates 
C)  the action of ocean currents dragging along the seafloor, causing the seafloor and the continents to move 
D)  the continual vibration from earthquakes and volcanoes slowly moves the continents equator-ward under the influence of centrifugal force

Question 6

What is plate convergence and what types of features are produced from convergence?

Accepted Answer

Plate convergence happens when lithosphe

Question 7

Geologists believe that a new ocean basin is forming .

Accepted Answer

A)  at the East African Rift Valley 
B)  in the Mediterranean Sea 
C)  along the divergent boundary between India and Asia 
D)  along the boundary between the Nazca Plate and the South American Plate 
A)  at the East African Rift Valley 
B)  in the Mediterranean Sea 
C)  along the divergent boundary between India and Asia 
D)  along the boundary between the Nazca Plate and the South American Plate

Question 8

Subduction zones are areas where new seafloor is created.

Accepted Answer

A) True 
 B)False

Question 9

The asthenosphere is cooler than the lithosphere.

Accepted Answer

A) True 
 B)False

Question 10

Using the Atlantic Ocean as an example, describe in detail how an ocean basin is formed.

Accepted Answer

Ocean basins are formed at divergent pla

Which plate does the westward-moving South American Plate encounter in South America?

Which statement is true with regard to subduction zones?

The Hawai ' ian Islands were formed within the last 2 million years above a hot spot that is now inactive.

If Earth were uniform (homogenous) throughout, seismic waves would .

A "mystery" in our understanding of plate tectonics has been, until recently, the nature of the power source capable of moving the plates and the continents embedded within them. Recent evidence indicates the power source to be .

What is plate convergence and what types of features are produced from convergence?

Geologists believe that a new ocean basin is forming .

Subduction zones are areas where new seafloor is created.

The asthenosphere is cooler than the lithosphere.

Using the Atlantic Ocean as an example, describe in detail how an ocean basin is formed.

An Ocean World

The Ocean Floor

Water and Ocean Structure

Atmospheric Circulation

Ocean Circulation

Waves and Tides

Coasts

Life in the Ocean

Marine Communities

Uses and Abuses of the Ocean

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Exam 2: Plate Tectonics

Which plate does the westward-moving South American Plate encounter in South America?

Which statement is true with regard to subduction zones?

The Hawai ' ian Islands were formed within the last 2 million years above a hot spot that is now inactive.

If Earth were uniform (homogenous) throughout, seismic waves would .

A "mystery" in our understanding of plate tectonics has been, until recently, the nature of the power source capable of moving the plates and the continents embedded within them. Recent evidence indicates the power source to be .

What is plate convergence and what types of features are produced from convergence?

Geologists believe that a new ocean basin is forming .

Subduction zones are areas where new seafloor is created.

The asthenosphere is cooler than the lithosphere.

Using the Atlantic Ocean as an example, describe in detail how an ocean basin is formed.

An Ocean World

The Ocean Floor

Water and Ocean Structure

Atmospheric Circulation

Ocean Circulation

Waves and Tides

Coasts

Life in the Ocean

Marine Communities

Uses and Abuses of the Ocean

Filters