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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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#6thgrscience
Flashcards
30 cards
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Questions
30
Answers
1
What type of boundary exists between the North American Plate and the Pacific Plate?
divergent boundary
convergent boundary
transform boundary
fault boundary
2
How do volcanic mountains form at convergent boundaries?
continental plates collide pushing crust material up
continental plate sinks below continental plate
ocean plate sinks below a continental plate
continental plates sink together back into the mantle
3
At what type of boundary can the San Andreas Fault be found?
transform
convergent
divergent
4
What type of boundary exists at a subduction zone?
transform
all 3
divergent
convergent
5
What landform forms at a divergent boundary between continental crust and continental crust?
rift valley
mid-ocean ridge
deep ocean trench
non-volcanic mountains
6
The longest chain of mountains in the world is known as the __.
Mid-Ocean Ridge
The Pacific Ridge
Oceanic Range
Ring of Fire
7
What is the source of heat that causes convection currents to move in the mantle?
mantle
asthenosphere
outer core
inner core
8
Which statement is true about plate boundaries?
Earthquakes can occur at all 3 types of plate boundaries.
Tsunamis can occur at all 3 types of plate boundaries.
Non-volcanic mountains can form at all 3 plate boundaries.
Volcanoes can form at all three types of plate boundaries.
9
In the convection current in a pan of soup, the cooler, denser fluid _______.
sinks to the bottom
rises to the top
stays where it is
slowly disappears
10
Where are mountain chains (that are NON-VOLCANIC) most likely to occur?
between oceanic and continental plates
between 2 colliding oceanic plates
between 2 colliding continental plates
in the middle of a continental plate
11
Where is new ocean crust being added to the ocean floor?
deep ocean trenches
continental shelf
mid-ocean ridge
ring of fire
12
The process that continually adds crust to the ocean floor is called __.
continental drift
seafloor spreading
trench making
subduction
13
Where is the major volcanic belt, known as the Ring of Fire, located?
around the Pacific Plate
below the South American Plate
cutting through Iceland
in the middle of the Eurasian Plate
14
What landforms can be created when oceanic and continental plates collide?
mid-ocean ridges
rift valleys
mountain ranges
hot spots
15
What happens to the material in the mesosphere when it is heated?
molten material becomes more dense
molten material becomes less dense and sinks down
molten material becomes more dense and sinks down
molten material becomes less dense and rises
16
What boundary exists where two plates are being pushed apart?
divergent
transform
subduction
convergent
17
What is the best animal in the world?
snakes
worms
sea turtles
elephants
18
Where do volcanoes, earthquakes, and faults normally occur?
in the arctic
along the equator
at plate boundaries
at hot spots
19
The ocean floor is sinking through a deep ocean trench and back into the mantle.
subduction
conduction
convection
reduction
20
Where is new crust forming in this diagram?
A
C
all of the above
B
21
The longest chain of mountains in the world is known as the __.
size and convection
temperature and composition
density and composition
density and convection
22
In which of Earth’s layers are convection currents believed to be flowing?
oceanic crust
outer core
lithosphere
mantle
23
Best hobby
soccer
SCUBA diving
chess
teaching
24
What landform is most likely to form when two continental plates collide?
the mid-ocean ridge
the rift valley
a mountain range
a deep ocean trench
25
Most geologists believe that the movement of the Earth’s plates is caused by
__
in the
__
.
magnetic fields, the inner core
subduction, deep ocean trenches
gravity, mantle
convection currents, asthenosphere
26
When heat is transferred through a fluid (a liquid or a gas), what occurs?
radiation
conduction
convection
revolution
27
What happens between oceanic crust and continental crust at a subduction zone?
oceanic crust rises above the more dense continental crust
the equally dense oceanic and continental crusts collide
oceanic crust sinks under the less dense continental crust
the equally dense oceanic and continental crusts both sink
28
What is happening in Iceland?
diverging plates are forming trenches
diverging plates are forming volcanoes
converging plates are forming continental mountain ranges
converging plates are forming rift valleys
29
Lithospheric plates are in constant slow motion driven by convection currents?
newtons law of motion
law of superposition
plate tectonics
continental drift
30
The mid-ocean ridge occurs where ocean crust is being pushed apart.
subduction
divergent
convergent
transform
