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