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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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A #science review on #platetectonics that will give you #confidence in taking tomorrow's test.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
The upper mantle where convection currents occur
lower mantle
crust
asthenosphere
lithosphere
2
Which of the following may result from the collision of one plate with another?
mid-ocean ridge
mountain folding
rift valley
transform boundary
3
Subduction takes place at this part of the sea floor
volcanoes
rift valleys
trenches
folded mountains
4
A layer of molten iron and nickel
inner core
lithosphere
outer core
asthenosphere
5
The age of Earth
15 billion years
4.6 million years
4,500 years
4.6 billion years
6
In Africa, a divergent boundary has split two pieces of continental crust, what is forming?
trench
mid-ocean ridge
mountains
rift valley
7
A boundary where 2 plates come together
transform
reverse
convergent
divergent
8
As rock moves away from mid-ocean ridge, it is replaced by
microplate terrains
continental crust
older rock
molten rock
9
A layer of solid iron and nickel
outer core
inner core
lithosphere
asthenosphere
10
Which of the following is NOT evidence to support Wegener's theory of Continental Drift?
landforms
fossils
climate
magnetic stripes
11
Which of the following can form when two continental plates converge?
mountains
mid-ocean ridge
island arc
trench
12
The theory that the continents slowly drifted across Earth's surface
Plate Tectonics Theory
Sea Floor Spreading
Continental Drift
Big Bang Theory
13
Which of the following is evidence of sea-floor spreading?
the number of Earth's plates
Mesosaurus Fossils
Magnetic Stripes
Mountain Chains
14
Oceanic crust
pumice
obsidian
basalt
granite
15
A super continent that broke apart hundreds of millions of years ago
Pangaea Ultima
North America
Pangaea
Rhodinia
16
The rift valley of the Red Sea is an example of a
divergent boundary
transform boundary
subduction zone
convergent boundary
17
The part of the Earth thought to be responsible for the magnetic field is the
solid mantle
solid inner core
lithosphere
liquid outer core
18
A boundary where 2 plates are slipping past each other
strike-slip
convergent
divergent
transform
19
What was the downfall of the Continental Drift Theory?
Wegener did not know about convection currents
Wegener did not support his theory with enough evidence
He could not explain a mechanism causing continents drift
Wegener did not send up enough weather balloons in Greenland
20
What feature forms when oceanic crust meets continental crust at a convergent boundary?
volcano
trench
rift valley
mid-ocean ridge
21
Geologists have said that Earth is made of layers, how do they know this?
seismic waves & volcanic activity
drilling to the mantle & rock samples
rock samples & seismic waves
visiting deep mines & rock samples
22
Process where oceanic crust sinks back into the mantle
osmosis
subduction
sea-floor spreading
diffusion
23
This is the place where sea-floor spreading occurs.
volcanic island chains
mid-ocean ridges
trenches
rift valleys
24
Known as the plates
outer core
lithosphere
lower mantle
asthenosphere
25
The theory that the plates are in constant motion
big bang theory
continental drift theory
sea-floor spreading theory
plate tectonics theory
26
The theory that the ocean floor is moving like a conveyor belt
Big Bang Theory
Continental Drift Theory
Sea-floor Spreading
Plate Tectonics Theory
27
What happens to the temperature and pressure of Earth as you go from crust to core?
stays the same
increases
decreases
decreases and then increases
28
The primary force that causes the seafloor to spread and continents to drift.
Volcanic Activity
Conduction
Radiation
Convection
29
A boundary where 2 plates move away from each other
transform
convergent
divergent
normal
30
Continental Crust
pumice
granite
basalt
obsidian
