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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
What type of boundary is at letter C?
convergent
transform
divergent
2
What causes geologic events such as earthquakes, volcanoes, and the creation of mountains?
Lithospheric plate movement
Atmospheric pressure
Position of the planets
Ocean tides
3
What is the name of the supercontinent that Alfred Wegener theorized about?
North America
Laurasia
Gonwanaland
Pangaea
4
A divergent boundary is a boundary between two plates that_______________________.
move toward each other
slide along each other
move away from each other
converge
5
The youngest rocks in the ocean floor are located at the mid-ocean_______.
trenches
volcanoes
basins
ridges
6
What happens to rock around a sub ducting slab?
It disappears from Earth
It goes under the other plate
It combines with the other rock
It goes over the other plate
7
What is letter X pointing at?
convergent
mantle
ridge
subduction
8
Which of the following is true about the lithospheric plates?
They move occasionally
They never move
The move annually
They constantly move
9
What type of plate boundary has plates sliding past each other?
subduction zones
convergent boundaries
divergent boundaries
transform boundaries
10
How do scientists explain the formation of underwater mountain ranges?
strike-slip faults
seafloor spreading
continental drift
convection currents
11
What type of plate boundary is most likely to occur at point A in the diagram?
convergent
reverse
transform
divergent
12
What do scientists believe is the force behind the plate tectonics theory?
the movement of the planets
gravity slab pull
convection currents
the Sun's gravity
13
What process is happening where B Oceanic is colliding into C Continent?
divergent boundary
transform boundary
seafloor spread
subduction
14
Which scientists is credited with the continental drift hypothesis?
Alfred Wegener
Neil Armstrong
Harry Hess
J. Tuzo Wilson
15
How old is the Earth?
4.6bya
6bya
4.6mya
4 mya
16
The cycle of heating, rising, cooling, and sinking is called a _______________.
Convergent boundary
Subduction zone
Conduction current
Convection current
17
What is the approximate rate of plate movement?
a few meters a year
a few millimeters a year
a few centimeters a year
a few kilometers a year
18
What evidence proved S. America, Africa, India, and Australia were once covered by glaciers?
glacial deposits and rock surfaces scarred by glaciers
leftover portions of glaciers
cold climates
enormous valleys formed by glaciers
19
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 apart and volcanoes form
plates move past each other sideways
20
Do two colliding continental plates ALWAYS cause volcanoes?
No
Yes
21
What does plate tectonics cause?
Forms mountains
Volcanoes
Earthquakes
Forms ocean tranches
22
Where might mountains forms?
Transform boundarie
Divergent boundaries
Magnetic Boundaries
Convergent boundaries
23
What type of boundary is at letter B?
divergent
Convergent
transform
24
What type of boundary is shown at letter A?
divergent
convergent
transform
25
What is the process occurring in the mantle that is the force behind plate tectonics?
plate boundary
convection current
normal fault
divergent boundary
26
Which of the following is used as evidence of seafloor spreading?
fossil evidence
rock clues
climate clues
magnetic pole reversal
