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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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1
Which of the following DOES NOT represent evidence for Continental Drift?
Similar rock and mountain ranges on different continents
Same plant and animal fossils on 5 different continents
Sea Floor Spreading
Glacier marks in warm areas and coal in cold places
2
This boundary is an example of
a convergent boundary (subduction)
a divergent boundary (rift valley)
a divergent boundary (sea-floor spreading)
a convergent boundary (collision)
3
Hawaii was formed due to
mid-Atlantic Ridge
Subduction
Constant volcanic activity
Pieces broke off from the U.S.
4
Which material is the least dense?
they are all the same
copper
iron
wood
5
Which way is the North American Plate moving to create this pattern of calderas?
South
Northeast
North
Southwest
6
What causes the tectonic plates to move?
Transform boundaries
Divergent boundaries
Convection currents
Convergent boundaries
7
Wegener was rejected. The cause of plate movement is due to (choose the best answer)
Ring of Fire
The mid-Atlantic Ridge
Sea floor spreading
Subduction
8
The fact that ice floats on top of water is like the fact that
the mantle is colder than the crust
the less dense crust sits on top of the mantle
the mantle causes earthquakes and volcanoes
the less dense mantle sinks below the crust
9
Pieces of the earth's crust move on top of the
mantle
inner core
outer core
ocean
10
The Ring of Fire is a ring of volcanoes and earthquakes that occur along
hot spots
plate boundaries
transform boundaries only
mid-ocean ridges
11
The next Hawaiian Island to form will be.....
SE of Hawaii (The Big Island)
SE of Maui
NW of Kauai
by Oahu
12
This theory states the pieces of earth's crust are in constant motion in the mantle is called
The Theory of Pangaea
The Theory of Continental Drift
The Theory of Plate Boundaries
The Theory of Plate Tectonics
13
Which two landforms are caused by convergent plate boundaries?
A trench and a mid ocean ridge
a rift valley and an ocean trench
A ridge and a rift valley
an ocean trench and a mountain range
14
When two plates converge, what determines which plate subducts (choose the best answer)?
active volcanoes in the area
density
direction of the plates
Material each plate is made out of
15
The Himalayan Mountains: two plates are coming together through
Transform boundary
Convergent boundary
Divergent boundary
16
A place in earth's crust where volcanic activity is constantly occurring to create new crust:
Divergent plate
Convergent plate
Transform plate
17
Select a process that occurs at a mid ocean ridge
Crustal rock subducts into the mantle and melts
Sediment from the crust sinks into the mantle
Tsunami waves transfer energy from the crust to the mantle
Material rises from the mantle to the crust
18
If two plates are moving apart from each other,
a divergent boundary has formed
a transform boundary has formed
a convergent boundary has formed
19
Why is the inner core the densest layer in the Earth?
inner core must be denser to "hold up" all the other layers
all of the layers are the same density
nickle and iron sunk down: they were not needed for life
gravity pull the heavier materials into the inner core
20
When two plates rub past each other, they are rubbing at a
Convergent boundary
Divergent boundary
Transform boundary
21
Subduction happens at
Divergent boundaries
Convergent boundaries
Transform boundaries
