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CFMS: 8th Grade Unit 3 Plate Tectonics Flashcards | StudBud
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CFMS: 8th Grade Unit 3 Plate Tectonics
CFMS: 8th Grade Unit 3 Plate Tectonics
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1
How do scientists know about the layers of the Earth?
volcanoes
hypothesis
earthquake wave data
drilling
2
Where does molten material rise from the mantle during sea floor spreading?
deep ocean trenches
earthquakes
mid ocean ridges
faults
3
Divergent means
move along
the title of a book
move apart
move together
4
The process where heated material is less dense/rises while cooler material is denser/sinks.
raitation
insulation
convection
conduction
5
Which layer of the Earth consists of the crust and upper mantle?
core
asthenosphere
mesospher
lithosphere
6
The age of oceanic crust compared to continental crust is
younger
the same age
older
not as old as Mr. Wessel
7
A convergent boundary is where the plates are
moving apart
colliding together
none of these
sliding past each other
8
The area where an oceanic plate meets a continental plate is
divergent boundaries
subduction zones
convection currents
strike-slip faults
9
Earthquakes and volcanoes happen most often
in the Earth's core
in the middle of plates
along plate boundaries
at Mr. Richmond's house
10
The plates along a transform fault
move apart
don't move
move together
move side by side
11
Mountain ranges form at which type of boundary?
irregular
transform
convergent
divergent
12
Which wall is the footwall?
B
A
13
What is the correct order of the layers of the Earth starting from where we are on the surface?
outer core, mantle, inner core , crust
crust, mantle, outer core, inner core
crust, outer core, inner core, mantle
inner core, outer core, crust, mantle
14
A rift valley is caused by two continental plates
slipping
standing still
converging
diverging
15
Where does subduction occur in this image?
mid ocean ridges
mountains
canyons
deep ocean trenches
16
The lithosphere moves over the
outer core
asthenosphere
inner core
mesosphere
17
Which area of the Earth do tectonic plates "float on"?
core
lithosphere
asthenosphere
crust
18
What landform is found where two ocean plates diverge?
Rift Valley
Volcanos
Mid-Ocean Ridge
Mountains
19
A shift in which of the following layers causes earthquakes?
Outer core
Crust
Inner core
Mesosphere
20
A divergent boundary is where the plates are
none of these
sliding past each other
moving apart
colliding together
21
Which type of plate is more dense?
oceanic
neither
continental
22
When a hanging wall moves up relative to the footwall.
Reverse
Strike-slip
Fault block
Normal
23
Why do tectonic plates move?
ocean currents
convection currents in the mantle
wind currents
conduction currents in the mantle
24
Since oceanic crust is denser than continental crust, which statement is true?
Oceanic crust rides above continental crust
Continental crust becomes thinner than oceanic crust
Oceanic crust sinks below continental crust
Continental crust sinks below Oceanic crust
25
Why was Alfred Wegener's theory originally rejected by scientific peers?
His theory didn't make any sense.
He had no evidence.
He couldn't explain how the continents moved.
They already knew the continents could not more.
26
Where are there more earthquakes in San Francisco then in Chagrin Falls?
San Francisco has a higher altituted
More people live in San Francisco
plate boundaries are in San Francisco
San Francisco is close to the ocean
27
Compression results in which type of fault?
No fault
Reverse fault
Normal fault
Strike-Slip fault
28
Why is the inner core sold and not liquid?
magic
crazy amount of pressure
iron is a solid
it's not a solid
29
What happens to a plate at a subduction zone?
it gets cold
it melts
it hardens
it dissapears
30
How can you explain ocean fossils at the top of a mountain?
Tectonic letdown
Slip faults
Uplifting
Subduction
31
Sea floor spreading happens at
convergent boundaries
transform fault boundaries
normal faults
divergent boundaries
32
Which layer of the earth is solid iron?
crust
outer core
inner core
matle
33
Who was the scientist that developed the theory of Continental Drift?
Albert Einstine
Alfred Wegener
Harry Hess
Jane Goodall
34
Who created the theory of Continental Drift?
Albert Einstein
Isaac Newton
Alfred Wegner
Harry Hess
35
What do scientist believe causes plates to move?
convection currents in the mantle
gravity
a big wheel
magic
36
Which events occur at plate boundaries?
all of these
mountain building
earthquakes
volcanoes
37
Plate tectonics can also be the direct cause of forming
oceans
rivers
lakes
mountains
38
Non-volcanic mountains are formed when two continental plates
Converge
Stay Still
Diverge
Subduct
39
Which wall is the hanging wall?
B
A
40
Tension results in which type of fault?
Strike-Slip fault
Reverse fault
No fault
Normal fault
41
The continents are moving away from each other as magma rises from mid-ocean ridges. This is
sea floor rising
underwater volcanos
changing sea floor
sea floor spreading
42
Evidence of plate movement can be found at
plate boundaries
both rift valleys and plate boundaries
plate center
rift valleys
43
When a hanging wall moves down relative to the footwall.
Normal
Strike-slip
Fault block
Reverse
44
The concept of sea floor spread is supported by a documentation of the change in the Earth's
magnetic field
gravity
core
asthenosphere
45
What data led scientists to determine what comprises the layers of the Earth?
seismic waves
depth of Earth's oceans
electromagnetic radiation
magnetic reversals
46
Convergent means
move along
move apart
move together
the title of a book
47
Which layer of the Earth is the hottest?
inner core
mantle
crust
outer core
48
A transform boundary is where the plates are
moving apart
sliding past each other
none of these
colliding together
49
Plate tectonics, or the movement of pieces of Earth's crust, is thought to be caused by
volcanoes
Earthquakes
convection currents in the Earth's mantle
Hot Spots
50
The types of plate collisions are determined by
The magnetic orientation of the rock
The size of the plates
The size of the boundary
The density of the plates
51
All the continents were once a "super-continent" called....
Pangea
Eurasia
Laurasia
Gondwana
52
What is it called when one plate sinks underneath another?
subduction
strike slip
reduction
boundary
53
The inner core is mostly comprised of
iron
rock
hydrogen
oxygen
54
Which type of evidence did Wegener NOT use to support his theory of Continental Drift?
Fossil evidence
Water evidence
Landform evidence
Climate evidence
