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Plate Tectonics review (pt. 1) Flashcards | StudBud
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Plate Tectonics review (pt. 1)
Plate Tectonics review (pt. 1)
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Plate tectonics and Earth's interior review
Flashcards
16 cards
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Questions
16
Answers
1
In the plate tectonics theory, a plate can be made up of...
continental lithosphere only
oceanic lithosphere only
continental and oceanic lithosphere
continental and oceanic asthenosphere
2
How do we know that Earth's outer core is completely liquid?
Earth would rotate in the opposite direction if it was 100% solid
Samples of rock from the ocean floor show that there is liquid underneath
S-waves from earthquakes disappear at a certain depth
Scientists dug a hole to the outer core and saw the liquid
3
What type of plate boundary is this?
convergent
divergent
transform
reverse
4
What year was Alfred Wegener's book "The Origin of Continents and Oceans" published?
1975
1915
1890
1940
5
Which of the following is NOT a mechanism or force that causes tectonic plate movement?
convection currents
ridge push
centrifugal force
slab pull
6
What type of plate boundary is this?
reverse
divergent
transform
convergent
7
The boundary separating Earth's inner and outer core is known as...
the Moho
the Shadow Zone
the Lehmann Discontinuity
the mesosphere
8
What would most likely form at an oceanic-oceanic convergent plate boundary?
a rift zone
a trench
an island arc
a ridge
9
What would most likely form at a continental-oceanic convergent plate boundary?
an island arc
a trench
a rift
a ridge
10
What (rejected) idea states that the continents moved across the ocean to their present locations?
continental drift
seafloor spreading
plate tectonics
paleomagnetism
11
What type of plate boundary is this?
reverse
transform
convergent
divergent
12
Oceanic crust is more dense than continental crust, so it will slide underneath continental crust at subduction zones.
False
True
13
The supercontinent made up of present-day continents joined together was called...
Mesosaurus
Pangaea
Panthalassa
Africa
14
Earth's inner core is solid because of...
immense pressure
its great diameter
the composition of its rock
extreme temperatures
15
Which of the following is NOT a type of plate boundary?
transform
reverse
divergent
convergent
16
Which is the layer of Earth where convection takes place, allowing tectonic plates to move?
lithosphere
asthenosphere
inner core
crust
