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Ch. 9 Review Plate Tectonics Flashcards | StudBud
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Ch. 9 Review Plate Tectonics
Ch. 9 Review Plate Tectonics
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A #review of #Plate #Tectonics for #Earth Science
Flashcards
18 cards
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Questions
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Answers
1
A continental volcanic arc is associated with what type of plate boundary?
convergent continental-continental boundary
convergent oceanic-oceanic boundary
divergent boundary
convergent oceanic-continental boundary
2
Who originally proposed Plate Tectonic Theory? Seen in the image.
Alfred Wegener
Sigmund Freud
Harry Hess
Charles Darwin
3
What type of boundary occurs where two plates move past each other?
Convergent Plate Boundary
Divergent Plate Boundary
Plates do not move past each other
Transform Fault Boundary
4
What type of boundary is shown in the diagram?
convergent oceanic-continental boundary
convergent volcanic arc boundary
convergent oceanic-oceanic boundary
convergent continental-continental boundary
5
The ocean surrounding the super-continent in the image was called _________.
Gondwana
Rodinia
Pangaea
Panthalassa
6
Who proposed continental Drift in 1915? Seen in the image.
Alfred Wegener
Harry Hess
Sigmund Freud
Charles Darwin
7
Most of Earth's earthquakes, volcanoes, and mountain building occur
in the center of continents.
in the Himalayas.
at volcanic island arcs.
at plate boundaries.
8
Which of the following was NOT used as support of Wegener's continental drift hypothesis?
the fit of South America and Africa
fossil evidence
ancient climates
paleomagnetism
9
A tectonic plate consists of _______.
The crust and entire mantle
The asthenosphere only
The crust and uppermost mantle
The oceanic and continental crust only
10
What phenomenon creates the subduction zone shown in the diagram?
differences in temperature
there is no subduction zone shown in the diagram
differences in pressure
differences in density
11
Crust is destroyed at which tectonic boundary?
Transform Fault Boundary
The crust is not destroyed
Convergent boundary
Divergent Boundary
12
The super-continent described in the drift hypothesis was called ________.
Gondwana
Rodinia
Panthalassa
Pangaea
13
Which of the following statements correctly describes the asthenosphere?
The crust and the upper mantle.
It is a thin, cold, and rigid layer.
It is the source of Earth's heat.
It permits the lithospheric plates to move.
14
One of the main objections to continental drift was that Wegener was unable to prove
the direction of continental drift.
the mechanism of continental drift.
the date of continental drift.
the rate of the continental drift.
15
Complex mountain systems such as the Himalayas are the result of
hot spots.
continental-continental convergence.
continental volcanic arcs.
oceanic-oceanic convergence.
16
An example of a divergent plate boundary on oceanic lithosphere would be ________.
The Marianas Trench
The Andes Mountains
The East African Rift Valley
The Mid-Atlantic ridge
17
The typical rates of seafloor spreading are approximately ________.
1-5 inches per year
2-5 centimeters per year
2-5 meters per year
1-5 feet per year
18
Paleomagnetism is used to prove what?
That the seafloor is spreading
That we know very little about the earth
That the continents don't drift
That the ocean is cold
