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Sea-Floor Spreading , Plate Tectonics, Pangaea, Continental Drift Flashcards | StudBud
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Sea-Floor Spreading , Plate Tectonics, Pangaea, Continental Drift
Sea-Floor Spreading , Plate Tectonics, Pangaea, Continental Drift
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1
A Convergent boundary has the plate moving...
Sliding Past (Friction)
Downward
Apart
Together
2
A divergent boundary has the plate moving...
Together
Sliding past other (Friction)
Downward
Apart
3
What type of Plate Boundary is this?
Divergent (ocean - ocean)
Divergent (cont - cont)
Convergent (ocean - ocean)
Transform Fault
4
During sea-floor spreading the ______ moves like a conveyor belt carrying & moving continents.
core
continental floor
ocean floor
volcanoes
5
Who invented the continental drift theory?
Harry Hess
Sylvia Earle
Alfred Wegner
Frankenstein
6
A device that bounces sound waves off underwater objects is called
Subduction
Sonar
GPS
Seismic Waves
7
Where does seafloor spreading occur?
Mid-Ocean Ridges
Rift Ridges
Mountain Ridges
None of the above
8
What type of plate boundary is shown below?
divergent
Convergent
Focus
Transform
9
What PROCESS occurs at the mid-ocean ridge?
Earth's Layering
Subduction
Sea-floor Spreading
Convection Currents
10
which is not a plate boundary
transform
insergent
divergent
convergent
11
In sea floor spreading, where does new crust come from?
Molten material that erupts and cools
Crust formations
All of the above
Heat from the sun
12
What is created, or can happen at this plate boundary?
Subduction zones
Rift Valleys
Earthquakes
Mountain Ranges
13
In sea floor spreading, where does new crust come from?
Heat from the sun
Molten material that erupts and cools
Crust formations
All of the above
14
What process renews the ocean floor?
Deforstation
Plate tectonics
Convection currents
Sea Floor Spreading
15
What is the mid-ocean ridge?
Under water chain of mountains
A piece of continental crust
A mountain in Europe
All of the above
16
Which of these describes a divergent plate boundary?
Continental plates moving away from each other
Oceanic plates rubbing against each other
Continental plates colliding, forming a mountain range
Two ocean plates colliding, forming a volcanic arc
17
What is created, or can happen at this plate boundary?
Subduction zones
Rift Valleys
Mountain Ranges
Earthquakes
18
What is the FEATURE of A in the diagram?
Deep Ocean Trenchs
Mid-Ocean Ridge
Subduction
Sea-floor spreading
19
What PROCESS forms trenches?
Mid-Ocean Ridges
Convection Currents
Subduction
Glacier Movement
20
What evidence supported the Theory of Continental Drift?
Fossils
All three
Land Features
climate Change
21
Convergent boundary
collide and make subduction zones
All of the Above
Move towards each other
Uses two tectonic plates in the process
22
What type of plate boundary is shown below?
Divergent
Not a type of plate boundary
Transform
convergent
23
What drives continental drift
Contusion currents
Convection currents
Concussion currents
Conduction curents
24
Which of these is NOT evidence for sea-floor spreading?
Drilling Samples (ages of rocks)
Molten Material
Magnetic Stripes
Fossils
25
What Plate Boundary is this?
Transform Boundary
Divergent Boundary
Convergent Boundary
Plate Tectonics
26
What happens at a transform plate boundary?
Earthquake
Nothing
Mid-Ocean
Volcanoes
27
Plate Tectonics...
gave rise to today's continents
The theory that pieces of Earth's lithosphere are in constant motion
by convection currents in the mantle.
gave rise to today's continents
28
What happens at a divergent plate boundary?
Mountains
Earthquakes
Rift Valleys
Volcanoes
29
Where is the rock in the diagram YOUNGEST??
C
I have no idea
B
A
30
How did scientists discover rocks far away from mid ocean ridge were older than those near it?
Drilling Samples of rocks
Subduction
Plate Tectonics
Magnetic Stripes
31
What fuels Sea Floor Spreading?
Convection Currents
Subducting
Convergent Boundary
The Crust
32
What process in Earth’s Interior causes subduction and sea-floor spreading?
Heat from the sun
Convection Currents in the mantle
Movement in the lithosphere
Gravity
33
What Plate Boundary is this?
Divergent Boundary
Plate Tectonics
Transform Boundary
Convergent Boundary
34
What happens at a convergent plate boundary?
Earthquakes
Mid-ocean
Volcanoes
Land slides
35
What Plate Boundary is this?
Convergent Boundary
Divergent Boundary
Plate Tectonics
Transform Boundary
36
What does Pangaea mean?
super continent
all lands
together
everything
37
what is the type of plate boundary shown below?
Convergent
all of the above
Transform
Divergent
38
What is created, or can happen at this plate boundary?
Rift Valleys
Earthquakes
Deep ocean trenches
Mountain Ranges
39
Who discovered Sea-Floor Spreading?
Mrs. Hanson
Wegener
Arthur Holmes
Harry Hess
40
WHO came up with the theory of Pangaea?
Alfred Fred
Alfred Wagner
Alfred Wegener
Alfred Williams
41
Mid-Ocean Ridges are only found in the Pacific ocean.
False
True
42
What do we call the FEATURE at C?
Subduction
Sea-Floor Spreading
Mid-Ocean Ridge
Deep Ocean Trench
43
Who discovered sea floor spreading?
Harry Hess
Will Smith
Alfred Wegener
Madonna
44
What is true about sea-floor spreading?
can be followed by subduction
changes the shape and size of the oceans
adds more crust to the ocean floor
all of the above
45
What is Pangaea?
How tectonic plates move
The explanation of convection currents in the mantle
The scientist who discovered continental drift theory
A super continent that helps support the theory of plate tectonics
46
Transform Boundary
A plate boundary where 2 plates move past each other in opposite directions
A plate boundary where two plates collide into each other.
A sect of the lithosphere that moves over the asthenosphere carrying plates
A section of the asthenosphere that carries plates
47
What type of plate boundary is this?
Subduction
Divergent
Convergent
Transform
48
Which of these is NOT evidence for sea-floor spreading?
Molten Material
Magnetic Stripes
Fossils
Drilling Samples (ages of rocks)
49
At deep ocean trenches, conduction allows oceanic crust to sink back into the mantle.
True
False
