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