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Unit 4 - Plate Tectonics Flashcards | StudBud
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Unit 4 - Plate Tectonics
Unit 4 - Plate Tectonics
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1
Which geological feature is found where the Eurasian and Indo-Australian plates converge?
folded mountains
ridges
trenches
shield volcanoes
2
Which term provides the most accurate classification of the geologic structure shown?
Syncline Fold
Reverse Fault
Anticline Fold
Normal Fault
3
Which scale is used to report the intensity of an earthquake?
Saffir-Simpson Scale
Moment Magnitude Scale
Modified Mercalli Scale
Richter Magnitude Scale
4
Tectonic motion caused tension between plates and what sudden release of this energy occurred?
earthquake
meteoroid impact
subsidence
volcanic eruption
5
Which activity would be the main result of twotectonic plates slipping past one another?
island building
earthquakes
floods
seafloor spreading
6
What name is given to this type of plate tectonic boundary?
phase boundary
convergent boundary
transform boundary
divergent boundary
7
Which is the most likely reasonfor the formation of the volcanic mountains?
A fault line is filling with water
The volcanic arc is sliding from the continental crust
As a result of an earthquake
Oceanic crust collides with continental crust and subducts
8
Which best identifies thegeologic process taking place where sea-floor spreading occurs?
a trench is forming
new crust is forming
a continental plate is subducting
oceanic crust is subducting
9
Which geologic event most likelycaused the formation of the Great Rift Valley?
movement of glaciers
collision of tectonic plates
diverging continental plates
impacts from meteors
10
Which geological feature would be created based on thedirections of the movement of the plates?
subduction zone
rift valley
mid-ocean ridge
divergent boundary
11
This pattern of plate movement most likely will resultin folded mountains if which is true?
A trench is forming at the plateboundaries.
Both plates are continentalplates.
The plates are forced upward bymagma.
The plates are differentdensities.
12
. Why does oceanic crust generally tend to subductunder continental crust when plates collide?
The continental crust is thicker than oceanic crust
The continental crust is denser than the oceanic crust
The oceanic crust is thicker than the continental crust
The oceanic crust is denser than the continental crust
13
Hawaii is composed mainly of volcanoes with gentleslopes, large surface areas and what lava?
highly viscous and relatively cool
mainly water vapor and largeboulders
relatively fluid and low viscosity
mix of hot gas and rock shards
14
What will be the most likelyformation at location Y?
volcano
island
lake
plateau
15
What mostly likey causes the formation of ridges on the ocean floor?
erosion from tidal action
movement from tectonic plates
the flow of continental basalt
the deposition of sediment
16
What mostlikely caused the formation of this valley?
separation of tectonic plates
separation of sedimentry rocklayers
erosion by rapidly flowing rivers
erosion by slowly moving glaciers
17
Which is LEAST likely to beassociated with the tectonic plate movement that forms volcanoes?
subduction zone
rift valley
transform boundary
hot spot
18
Which term provides the most accurate classification of the geologic structure?
Anticline Fold
Syncline Fold
Reverse Fault
Normal Fault
19
Which movement of tectonic plates caused the rift valley toform?
Two tectonic plates separatedfrom each other.
Two tectonic plates collided witheach other.
One tectonic plate slid underanother.
One tectonic plate slid pastanother.
20
The diagram below represents what process that occurswithin Earth‘s mantle?
rotation
convection
radiation
conduction
21
Which geological event would most likely occuralong the type of boundary demonstrated?
development of rift valleys
occurrence of earthquakes
formation of mountain ranges
eruption of volcanoes
22
Which process most likely resultsin the formation of folded mountains?
two plates pulling apart fromeach other
one plate sliding beside another
two plates colliding with eachother
one plate sliding beneath another
23
Which most likely causedthis geologic feature?
compressional forces
tensional forces
movement along transformboundaries
movement along divergentboundaries
24
At which location do the convection currents cause theplates to diverge?
mid-ocean ridges
folded mountains
subduction zone
strike-slip fault
25
A volcano found in the center of a tectonic plate tends to be aresult of which phenomenon?
activity at a hot spot
strong earthquake
unusually excessive erosion thatwears away bedrock
pressure in thick sediments thatproduces heat
26
A fold observed in layers of sedimentary rock most likely resultedfrom the
cooling of flowing magma.
deposition of river sediments.
solution of carbonate minerals.
converging of crustal plates.
27
At which type of plate boundary is new crust formed?
transform
subduction
divergent
convergent
28
Which landforms are most likely associatedwith hot spots?
trenches
mid-ocean ridges
volcanoes
island arcs
29
Which landform should be identified as beingformed by convergent boundaries?
North American Continent
Marianas Trench
Mid-Atlantic Ridge
Hawaiian Islands
30
Which made the Himalayan Mountain chain the tallest mountain chain on Earth?
convergence of continental plates
erosion of surroundingcontinental materials
subsidence of continental landmass
eruptions of continental shieldvolcanoes
31
Which of the tectonic plate interactions is LEAST likely to producevolcanic activity?
two diverging oceanic plates
two converging oceanic plates
two converging continental plates
two diverging continental plates
32
What causes the oceanic crust to be pushed under the continentalcrust?
the depth of the oceanic crust
the reduction of friction on theoceanic crust
the higher density of the oceaniccrust
the weight of the ocean water onthe oceanic crust
33
Which volcanic mountain is the highest?
Kilauea
Mauna Kea
Mauna Loa
Hualalai
34
Based on their overall structures, how are these volcanoes most likelydifferent?
Volcano Type 1 has more violenteruptions.
Volcano Type 2 becomes extinctquicker.
Volcano Type 1 erupts more often.
Volcano Type 2 produces thickerlava.
35
Which of the labeled points on the map has the steepest slope?
3
2
1
4