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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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Plate Tectonics Unit Review
Flashcards
19 cards
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Practice quiz
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Questions
19
Answers
1
Scientists believe movement in the earth’s outer core is responsible for Earth's
plate movement
earthquakes
magnetic field
seafloor spreading
2
What might result from a collision of 2 continental crusts?
a rift valley.
a mid-ocean ridge
a mountain range.
a deep-ocean trench.
3
Which part of Earth contains plates?
hydrosphere
core
lithosphere
asthenosphere
4
Most geologists think that the movement of Earth’s plates is caused by
convection currents in the mantle.
earthquakes.
conduction.
Earth's magnetic field.
5
Which of the following best describes a fast change to the earth’s crust?
plate movement
seafloor spreading
subduction
earthquakes
6
What is an
epicenter
?
point underground where an earthquake starts
Point on Earth's surface directly above an earthquake
the center of epi
where subduction occurs
7
What is a
focus
?
When an image becomes clear.
The point on Earth's surface directly above an earthquake
Where seafloor spreading occurs.
The point underground where an earthquake starts
8
Which is true about continental drift (more than one answer can be correct)?
subduction
couldn't explain what makes continents move
seafloor spreading
used fossils, landforms, climate data
9
Which best describes the mantle?
hot but solid rock
dense, solid metal ball
dry land and ocean floor
molten metal
10
In which location would you most likely find volcanoes?
where two continental plates collide
far from plate boundaries
along mid-ocean ridges and where a plate is subducted
along transform boundaries
11
What is the correct order (starting from the surface) of Earth’s layers?
crust, mantle, outer core, inner core
crust, outer core, inner core, mantle
mantle, outer core, inner core, crust
outer core, inner core, crust, mantle
12
How do temperature and pressure change inside Earth as depth increases?
pressure increases, temperature decreases
pressure decreases, temperature increases
pressure increases, temperature increases
pressure decreases, temperature decreases
13
Which provides
indirect evidence
about Earth’s interior?
journal entries
seismic waves
personal experiences
rock samples
14
Which layer of Earth is a
liquid
?
inner core
outer core
crust
mantle
15
Wegener thought all the continents were joined in a super continent he called
Laurasia
Gondwana
Rodinia
Pangea
16
Which process or processes change the size and shape of the oceans?
both drilling for samples and subduction
subduction only
both subduction and sea-floor spreading
sea-floor spreading only
17
Holes drilled into Earth’s crust provide
direct evidence
about Earth’s interior in the form of
volcanic eruption
liquid iron
seismic waves
rock samples
18
Which is true of plate tectonics (more than one answer may be correct).
explains distribution of earthquakes and volcanoes
is driven by convection in the asthenosphere
Includes seafloor spreading and subduction
moves entire plates, not just continents
19
In sea-floor spreading, molten material rises from the mantle and erupts
at the north and south poles.
along mid-ocean ridges.
along the edges of all the continents
in deep-ocean trenches.
