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