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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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Plate tectonics, sea floor spreading, continental drift review
Flashcards
27 cards
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Questions
27
Answers
1
In the rock cycle, what is the only process that can create sedimentary rock?
Heat and Pressure
Weathering and Erosion
Cooling
Compaction
2
Do two colliding continental plates ALWAYS cause volcanoes?
Yes
No
3
In which type of rock are most fossils found?
Igneous
Sedimentary
Metamorphic
4
Which scientists is credited with the continental drift hypothesis?
Alfred Wegener
Neil Armstrong
J. Tuzo Wilson
Harry Hess
5
What is the focus of an earthquake?
Where people concentrate the most.
Where the earthquake originates on the surfaceof the Earth.
Where the earthquake originates under thesurface of Earth.
6
Which of the following can be explained at Point B in the diagram?
plates move apart and volcanoes form
plates move toward each other and volcanoes form
plates move past each other sideways
plates are not moving
7
The youngest rocks in the ocean floor are located at the mid-ocean_______.
ridges
trenches
volcanoes
basins
8
What do plate tectonics cause?
Earthquakes
Volcanoes
Forms ocean tranches
Forms mountains
9
What type of plate boundary has plates sliding past each other?
convergent boundaries
transform boundaries
divergent boundaries
subduction zones
10
Where might mountains forms?
Transform boundarie
Convergent boundaries
Magnetic Boundaries
Divergent boundaries
11
What type of rock is formed when depositedsediments recombine?
Sedimentary
Confused
Igneous
Metamorphic
12
Forces that break down the Earth are called…
Jedi forces
Destroying Forces
Constructive Forces
Destructive Forces
13
What process occurs in the mantle that drives plate tectonics?
divergent boundary
plate boundary
convection current
normal fault
14
What is the approximate rate of plate movement?
a few centimeters a year
a few kilometers a year
a few millimeters a year
a few meters a year
15
What do scientists believe is the force behind the plate tectonics theory?
gravity slab pull
the Sun's gravity
convection currents
the movement of the planets
16
What is the process that breaks down rocks?
Weather and erosion
Heat and Pressure
Weathering and Heat
Erosion and Compaction
17
Which of the following is true about the lithospheric plates?
They never move
They constantly move
They move occasionally
The move annually
18
A divergent boundary is a boundary between two plates that_______________________.
slide along each other
move away from each other
move toward each other
converge
19
What type of rock is formed from moltenmaterial?
Metamorphic
Igneous
Sedimentary
20
How do scientists explain the formation of underwater mountain ranges?
seafloor spreading
strike-slip faults
continental drift
convection currents
21
In the rock cycle, what is the only processthat can create igneous rock?
Compaction
Incineration
Cooling
22
What evidence proved S. America, Africa, India, and Australia were once covered by glaciers?
cold climates
glacial deposits and rock surfaces scarred by glaciers
leftover portions of glaciers
enormous valleys formed by glaciers
23
What causes geologic events such as earthquakes, volcanoes, and the creation of mountains?
Lithospheric plate movement
Ocean tides
Position of the planets
Atmospheric pressure
24
What happens to rock around a subducting slab?
It goes under the other plate
It combines with the other rock
It goes over the other plate
It disappears from Earth
25
The cycle of heating, rising, cooling, and sinking is called a _______________.
Conduction current
Convergent boundary
Subduction zone
Convection current
26
What type of plate boundary is most likely to occur at point A in the diagram?
reverse
divergent
transform
convergent
27
People who study the Earth- rocks, earthquakes,etc. are called
Geneologists
Paleontologists
Seismologists
Meteorologists
