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Chapter 1: Plate Tectonics Review Flashcards | StudBud
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Chapter 1: Plate Tectonics Review
Chapter 1: Plate Tectonics Review
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Plate tectonics, sea floor spreading, continental drift review
Flashcards
26 cards
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Questions
26
Answers
1
The cycle of heating, rising, cooling, and sinking is called a _______________.
Subduction zone
Convection current
Conduction current
Convergent boundary
2
What causes geologic events such as earthquakes, volcanoes, and the creation of mountains?
Lithospheric plate movement
Position of the planets
Atmospheric pressure
Ocean tides
3
What process is happening where B Oceanic is colliding into C Continent?
transform boundary
divergent boundary
subduction
seafloor spread
4
What type of plate boundary is most likely to occur at point A in the diagram?
reverse
transform
divergent
convergent
5
What type of boundary is shown at letter A?
convergent
transform
divergent
6
A divergent boundary is a boundary between two plates that_______________________.
move toward each other
converge
move away from each other
slide along each other
7
Which of the following is used as evidence of seafloor spreading?
climate clues
magnetic pole reversal
rock clues
fossil evidence
8
Which of the following is true about the lithospheric plates?
They never move
The move annually
They constantly move
They move occasionally
9
What is the approximate rate of plate movement?
a few millimeters a year
a few centimeters a year
a few meters a year
a few kilometers a year
10
What type of boundary is at letter B?
transform
Convergent
divergent
11
What is the name of the supercontinent that Alfred Wegener theorized about?
Laurasia
North America
Gonwanaland
Pangaea
12
What does plate tectonics cause?
Forms ocean tranches
Volcanoes
Forms mountains
Earthquakes
13
What do scientists believe is the force behind the plate tectonics theory?
convection currents
the movement of the planets
gravity slab pull
the Sun's gravity
14
Which of the following can be explained at Point B in the diagram?
plates are not moving
plates move toward each other and volcanoes form
plates move past each other sideways
plates move apart and volcanoes form
15
Do two colliding continental plates ALWAYS cause volcanoes?
Yes
No
16
What is the process occurring in the mantle that is the force behind plate tectonics?
normal fault
convection current
divergent boundary
plate boundary
17
Where might mountains forms?
Divergent boundaries
Transform boundarie
Convergent boundaries
Magnetic Boundaries
18
What evidence proved S. America, Africa, India, and Australia were once covered by glaciers?
enormous valleys formed by glaciers
cold climates
leftover portions of glaciers
glacial deposits and rock surfaces scarred by glaciers
19
What type of plate boundary has plates sliding past each other?
subduction zones
divergent boundaries
convergent boundaries
transform boundaries
20
What happens to rock around a sub ducting slab?
It goes under the other plate
It goes over the other plate
It disappears from Earth
It combines with the other rock
21
Which scientists is credited with the continental drift hypothesis?
Harry Hess
J. Tuzo Wilson
Neil Armstrong
Alfred Wegener
22
What type of boundary is at letter C?
divergent
transform
convergent
23
How old is the Earth?
4.6bya
4.6mya
4 mya
6bya
24
How do scientists explain the formation of underwater mountain ranges?
convection currents
continental drift
strike-slip faults
seafloor spreading
25
The youngest rocks in the ocean floor are located at the mid-ocean_______.
trenches
ridges
basins
volcanoes
26
What is letter X pointing at?
convergent
ridge
subduction
mantle
