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Plate Tectonics, Continental Drift, and Sea-Floor Spreading Review Flashcards | StudBud
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Plate Tectonics, Continental Drift, and Sea-Floor Spreading Review
Plate Tectonics, Continental Drift, and Sea-Floor Spreading Review
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1
What type of Boundary is shown below?
Spreading
Divergent
Convergent
Transform
2
When an oceanic plate hits a continental plate, _______________ will form.
volcanic islands
volcanic mountains
mountains
rift valleys
3
The San Andreas Fault is a real-world example of a
rift valley
convergent boundary
divergent boundary
transform boundary
4
The name of the process that continually adds to and recycles the ocean floor is:
seafloor spreading
continental drift
ocean floor rifting
subduction
5
Plates are moving apart at:
divergent boundaries
subduction zones
transform faults
convergent boundaries
6
Transform boundaries generate
new sea floor
rift valleys
trenches
earthquakes
7
Most volcanic island arcs are located near
a rift valley
a mid-ocean ridge
a deep-sea trench
a transform fault
8
When an oceanic plate hits an oceanic plate a _______________ will form.
Rift Valley
Volcanic Island Arc
Continental volcanic arc
Mid-ocean Ridge
9
What type of boundary is shown below?
Divergent
Convergent
Transform Fault
Collapsing
10
To support his theory, Wegener gathered evidence from fossils, climate, and
molten material
landforms
drilling samples
magnetic stripes
11
Which is a real-world example of a divergent boundary of 2 continental plates?
Himilayan Mountains
Hawaiian Islands
Great Rift Valley in East Africa
mid-ocean ridge
12
Complete the sentence: The Atlantic ocean ___________________________________________.
will stay the same size.
is shrinking
is being subducted
is expanding
13
Continental crust is made mostly of
limestone
granite
iron
basalt
14
At Convergent Boundaries:
old sea floor is destroyed
new sea floor is created
all of the above
sea floor is neither created or destroyed
15
Hawaii is a real-world example of a
rift valley
a hotspot
volcanic islands formed by convergent boundaries
a chain of volcanic mountains caused by divergent boundaries
16
Volcanic islands generally occur at
divergent boundaries
continental boundaries
transfer boundaries
convergent boundaries
17
The region where the oceanic crust goes into the asthenosphere is called
a subduction zone
a fault
a rift valley
a convection current
18
New crust is formed at
mid-ocean ridges
Trenches
Subduction zones
convergent boundaries
19
Device used to map the ocean floor.
sonar
satellites
radar
seismic waves
20
At divergent boundaries:
sea floor is neither created or destroyed
old sea floor is destroyed
none of the above
new sea floor is created
21
When two oceanic plates collide (converges), the less dense plate
goes into a trench.
is destroyed.
floats.
is subducted.
22
What will you find at a divergent boundary of two oceanic plates?
mountain belt
ocean trench
mid-ocean ridge
volcanic island arc
23
The layer of the earth that is divided into tectonic plates is the
upper mantle
asthenosphere
crust
lithosphere
24
How does sea-floor spreading connect back to prove the theory of Plate Tectonics?
Magnetic stripes are evidence for sea-floor spreading.
Earth's crust is neither created or destroyed.
It is the force that causes the continents to move.
Magma from the lithosphere moves the continents.
25
What type of boundary is shown below?
Spreading
Transform
Convergent
Divergent
26
What will you find at a divergent boundary located on the land?
mountains
rift valley
volcano
a fault
27
Most of the active earthquakes and volcanoes on Earth occur along
the Atlantic Ocean
the ring of fire
rift valleys
islands
28
On average new oceanic crust is created at about the rate of:
1 - 10cm per year
10cm per century
2 inches per decade
1 cm per year
29
When a continental plate hits a continental plate a _______________ will form.
mountain
volcanic arc
rift valley
a fault
30
At transform boundaries
old sea floor is destroyed
sea floor is neither created or destroyed
none of the above
new sea floor is created
31
Wegener's theory of Continental Drift could not explain
the formation of mountains
coal deposits in Antarctica
climate changes
how the contintents move
32
Subduction occurs at convergent boundaries when continental plate meets
at mountains.
continental plate.
crust that is less dense.
oceanic plate.
33
The Atlantic Ocean is expanding because
there is less sea-floor spreading
because there are many convergent boundaries
because subduction is taking place.
because subduction is not taking place.
34
At divergent plate boundaries
new sea floor is being created
both a and c
new sea floor is being destroyed
old sea floor is being destroyed
35
Plates slide horizontally past each other at
convergent boundaries
transform boundaries
rift valleys
divergent boundaries
36
A _____________ is a water canyon formed where the oceanic plate is subducted?
a fault
a trench
a ridge
a rift
