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Plate Tectonics Test Review Flashcards | StudBud
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Plate Tectonics Test Review
Plate Tectonics Test Review
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Theory of Continental Drift Seafloor Spreading Theory of Plate Tectonics
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
The cold and rigid outermost rock layer of Earth is called the...
asthenosphere
atmosphere
lithosphere
2
Wegener's hypothesis of a supercontinent was supported by...
earthquake date
convection currents in the mantle
rock, fossils, and climate data
seafloor magnetism
3
Scientists understand that continents moves because of the ________ moves underneath the ______
asthenosphere and lithosphere
convection currents and magnetism
lithosphere and mantle
4
The mountain ranges in the middle of the oceans are called...
Ridge Push
Mid-ocean ridges
Plains
5
Mountains like the Himalayas in southern Asia form because these plate boundaries collide...
Divergent Plate Boundary
Transform Plate Boundary
Convergent Plate Boundary
6
In divergent plate boundary,
two continental plates collide.
two plates slide past one another.
two plates separate.
7
How does seafloor spreading support continental drift theory?
It suggests continents move with the ocean floor
It suggests that continents plow through the ocean floor
It suggests that continents are static parts of Earths crust
8
What happens at a transform plate boundary?
Plates slide past each other
Plates move toward each other
Plates move away from each other
9
What are tectonic plates?
slabs of continental crust
slabs of oceanic crust
slabs of crust and upper mantle
10
A subduction zone is located at a(n) ___________________ plate boundary.
transform
divergent
convergent
11
A force that occurs at a convergent plate boundary is called a(n) ___________________________.
slab pull
basal drag
ridge push
12
The San Andreas Fault in California is an example of this type of plate boundary...
Convergent Plate Boundary
Transform Plate Boundary
Divergent Plate Boundary
13
State in which magnetized objects such as compass needles will orient themselves to point north
Normal Polarity
Reversed Polarity
14
Seafloor spreading is a process that...
occurs at the mid-ocean ridges
causes continents to plow through the seafloor
destroys oceanic crust
15
The evidence to prove continental drift was discovered prior to Wegener's death.
TRUE
FALSE
16
What evidence suggests that continents were once joined?
the puzzle-like fit of coastlines
convergent plate boundaries
topography of the seafloor
17
Magnetic stripes on the seafloor show that...
earthquakes are common in the ocean
Earth's magnetic field has changed
crust is destroyed at ridges
18
TRUE OR FALSE: Earth's surface is made of rigid slabs of salt, lava, and plates that move.
TRUE
FALSE
19
State in which magnetized objects would reverse direction and orient themselves to point south
Normal Polarity
Reversed Polarity
20
The three main layers of Earth are the crust, the mantle, and the core.
FALSE
TRUE
21
What causes tectonic plates to move?
earthquakes in the crust
convection in the mantle
magnetism on the seafloor
22
What is Pangaea?
a fern that lives close to the equator
a large ice sheet
a supercontinent made of the present-day continents
23
True or False: Earth is the only planet in the solar system that has plate tectonic activity.
FALSE
TRUE
24
What plate boundaries cause continents to pull apart and form rift valleys?
Divergent Plate Boundary
Transform Plate Boundary
Convergent Plate Boundary
25
The theory of plate tectonics provides an explanation for why ___________ and ________ occur.
earthquakes and volcanoes
earthquakes and mountains
earthquakes and milkshakes
