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Plate Boundaries & Movement
Plate Boundaries & Movement
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Review of plate tectonics, boundaries, and movement.
Flashcards
21 cards
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Questions
21
Answers
1
Within the mantle, the _____ denser material sinks, while the _____ less dense material rises.
silica-rich, cooler
cooler, heated
silica-rich, basaltic
heated, cooler
2
Convergent boundaries are classified according to the
compass direction of movement of the plates.
rate at which the plates collide.
types of fossils found at the boundaries.
type of crust involved.
3
Which of the following is NOT associated with Transform boundaries?
volcanoes
deformed and fractured crust
long faults
shallow earthquakes
4
Huge pieces of crust and rigid upper mantle that fit together at their edges are
mountain ranges
regional convection zones
tectonic plates
crustal correlations
5
Which of the following landforms results from divergence of continental crust?
a rift valley
a deep-sea trench
none of these
a mountain range
6
__________ are thought to be the driving mechanism of plate movements.
MIcrowaves
Ocean currents
Convection currents
Air currents
7
Oceanic-oceanic, Oceanic-continental, and Continental-continental are all examples of
transform boundaries.
divergent boundaries..
convection currents.
convergent boundaries.
8
The process that moves a tectonic plate in a subduction zone is
ridge push
slab pull
strike-slip push
trenching
9
Which of the following is NOT formed at convergent boundaries?
mid-ocean ridges
mountains
volcanoes
trenches
10
The Mid-Atlantic Ridge is an example of a
transform boundary
convergent boundary
subduction zone
divergent boundary
11
_______ boundaries are characterized by long faults and shallow earthquakes.
Convergent
Transform
Divergent
All
12
Earth's mantle is heated unevenly by
greenhouse gases.
radioactive decay.
geothermal hot springs.
the Sun's energy.
13
Which feature is associated with a convergent continental-continental plate boundary?
a mountain range
a deep sea trench
a subduction zone
a rift valley
14
A convergent boundary is when 2 plates
create mid-ocean ridges.
are moving away from each other.
are moving towards each other.
are slipping past each other horizontally.
15
A plate boundary where 2 plates slide past each other horizontally is a
divergent boundary.
volcano producing boundary.
convergent boundary.
transform boundary.
16
There are ___ major plates, which move approximately __________ per year.
3, a few miles
4, a few meters
8, one kilometer
8, a few centimeters
17
The Himalayan Mountain range resulted from
oceanic - oceanic convergence.
continental-continental convergence.
oceanic - continental convergence.
oceanic - oceanic divergence.
18
As the solid mantle heats up, it behaves like
a soft, "silly-putty-like" plastic
cement
water
melted ice cream
19
A geologic feature that results from a divergent boundary is
a trench.
the Himalayas.
the San Andreas fault.
a rift valley.
20
When two crusts converge, which one subducts under the other?
the more dense one
the less dense one
21
The San Andreas Fault is an example of
a transform boundary.
a volcano.
a trench.
a divergent boundary.
