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Plate Tectonics Review Flashcards | StudBud
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Plate Tectonics Review
Plate Tectonics Review
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1
Which of these concepts is part of the theory of plate tectonics?
The tides and Earth's rotation cause the movement of the plates
Continents are fixed and don't move.
Continents are in slow constant motion
A great flood shaped the Earth's surface.
2
This picture depicts which of the following?
earthquake
mountain formation
subduction zone
rift formation
3
What is the border between two tectonic plates called?
trench
rift
boundary
collusion zone
4
Why do the coastlines of Africa and South America appear to fit together so well?
The theory of continental drift does not explain it.
Ocean currentshave eroded the coastlines into the same shape.
They used to be joined together, but split apart long ago.
They are drifting towards each other and will soon fit together perfectly.
5
When did the Himalayan Mountain Range begin to form?
100-150 million years ago
20-30 million years ago
40-50 million years ago
5,000 to 6,000 years ago
6
What evidence supports the idea that all the continents were once joined together?
glacier scratches
rock evidence across continents
all of the above
fossil evidence across continents
7
What is happening at the subduction zone of the Juan de Fuca and North American Plates?
Plates are spreading apart
Plates are sliding past each other.
One plate is being pulled under another.
8
Which of the following geologic events can occur at a transform boundary?
rift formation
mountain formation
Earthquake
volcanic eruption
9
Which scientist is credited with proposing the ideas that lead to the plate tectonics theory?
Alfred Wegener
Isaac Newton
Albert Einstein
Charles Darwin
10
California's San Andreas Fault is identified as which of the following?
blind thrust fault
strike slip fault
dip-slip fault
Your fault
11
What is the earth's only liquid layer?
Asthenosphere
Mantle
Outer Core
Inner Core
12
Mountain formation can result when which of the following occurs?
Two oceanic plates collide
Two oceanic plates spread apart.
Two continental plates collide
13
How did Lystrosaurus fossils end up on Antartica?
Antarctica, India and Africa used to form one land mass.
They drifted on rafts
They swam across the ocean
land bridges connected them
14
When two continental crusts diverge or move apart which of the following will occur?
earthquake
rift formation
volcanic eruption
mountain formation
15
Which of these statements is correct?
Continental crust is thicker than oceanic crust.
Continental crust is thinner than oceanic crust.
16
What is NOT likely to happen at a divergent boundary?
rift valley
seafloor spreading
volcano formation
mountain formation
17
This solid layer of the earth is made of mostly iron and nickel.
inner core
mantle
out core
crust
18
Which of these layers is found directly above the earth's core?
Inner Core
Out Core
Athenosphere
mantle
19
What type of crust is found under the oceans?
oceanic
geologic
deep dish
continental
20
What is the landmass below called?
Pangaea
Europa
Jurassic
21
What is the earth's outermost layer?
mantle
Lithosphere
out core
crust
22
Mid-ocean ridges are places where tectonic plates are doing what?
spreading apart (diverging)
colliding
sliding past each other
none of the above
23
Which continent was probably closest to the South Pole at the time of Pangaea?
Antarctica
India
South America
Africa
24
When did the supercontinent Pangaea start to break up?
When they had a fight.
20 million years ago
200 million years ago
40 million years ago
