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