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