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Earth's Surface Changed by Tectonic Plates Flashcards | StudBud
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Earth's Surface Changed by Tectonic Plates
Earth's Surface Changed by Tectonic Plates
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landforms from tectonic plate motions.
Flashcards
29 cards
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Questions
29
Answers
1
What is formed at a divergent boundary on land?
A rift valley is formed.
A mid-ocean ridge is formed.
Lots of magma which rises to the ocean surface
A deep-ocean trench is formed
2
What evidence supported Alfred Wegener’s Continental Drift Theory?
Same animals, glaciers, and food
Similar fossils, similar rocks, Same Ancient Climate, Glaciers
Similar rocks and fossils, and climate
3
How were the Hawaiian Islands formed?
A convergent boundary
A crustal 'hot spot'
A divergent boundary
A transform boundary
4
This landform (mountain chain) is created from which tectonic plate movements?
subduction zones
convergent oceanic plates
convergent continental plates
divergent oceanic plates
5
What feature is being made in this picture?
Subduction zone
Rift valley
Mid-ocean ridge
Deep-ocean trench
6
The newest crust is created at?
Transform boundaries
Subductional Plate Boundaries
Diverging plate boundaries
Converging plate boundaries
7
What oceanic formation is made at a subduction zone?
Rift Valley
Mid-Ocean Ridge
New Crust
Deep-Ocean Trench
8
What is the term used to describe the ocean floor moving away from a mid-ocean ridge?
Rift Valley
Sea-Floor Spreading
Deep-Ocean Trench
Subduction
9
Convergent Oceanic Plate Boundaries form:
convergent zones
ocean ridges
island arcs
deep ocean (sea) trenches
10
Our Appalachian Mountains are folded but not volcanic. How were they created?
An oceanic and continental plate collision
Two continents splitting apart
Two continents colliding together
Two oceanic plates colliding
11
What is the theory of Plate tectonics that arose from the theory of Continental Drift?
The Earth's outer layer is divided into plates that move.
Plates tectonic are responsible for earthquakes
All the continents were joined together as a supercontinent
The Earth's continents move.
12
What do you call underwater mountain chains where new crust is created?
Ocean Trench
Mid-Ocean Ridge
Canyon
Rift Valley
13
What is evidence of continental drift?
similar fossil findings
Continents look like they fit together
landforms and climate
all of the above
14
What is the term used to describe when one crust is sinking under another?
Substitute
Sub-sandwich
Subduction
Submarine
15
Faults are ....
breaks in an ocean-trench.
breaks in the mantle.
breaks in Earth's crust where plates slip past each other.
16
What feature is being formed in this picture in the purple line?
Deep-Ocean Trench
Rift Valley
17
Which types of Boundaries form volcanoes?
Transform Boundary Only
Convergent Boundary Only
Divergent Boundary Only
Convergent and Divergent Boundaries
18
How are volcanoes and earthquakes connected?
Occur on land and under water
Plate tectonics
All of the above
Natural disasters
19
Which landform is created when molten material reaches Earth's surface through the crust?
Upwarped mountains
Plateaus
Volcanic Mountains
Fault-Block mountains
20
What is the theory of Continental Drift?
All continents were once joined and have moved apart since
The earth's outer layer is broken into plates that move
Continents move apart at a steady rate
Continents have always stayed where they are
21
Volcanic islands can be created at a "Hot Spot," a weakness in the earth's crust
True
False
22
How is new crust created on Earth?
From divergent plates - magma rises up from the middle.
From convergent plates - magma rises up from the middle.
Zeus says, "LAND! NOW!" and the other Greek gods create land
From transform plates - magma rises up from the middle.
23
What is the name of a huge crack in the middle of an ocean that creates crust?
Deep-Ocean Trench
Rift Valleys
Mid-Ocean Ridge
Subduction
24
If new land is being continously created, why isn't the Earth getting bigger?
old land is recycled at divergent zones.
old land is recycled at subduction zones
new land isn't being created.
old land is recycled at transform zones
25
Where on the crust is it the thickest?
At the mid ocean ridge
At the deep ocean trench
Oceanic crust
Continental crust
26
How did the Himalayas form?
Errosion
Earthquakes
Volcanic Activity
Land smashing together
27
A plate boundary where crust is not created or destroyed
Divergent
Convergent
Transform
Insurgent
28
New crust is created by
seismic activity
ocean basins
sea floor spreading
earthquakes
29
What causes tectonic plates to move?
Conduction of heat from the Earth's core.
Convection Currents in the Mantle of magma
The lithosphere causes the plates to move.
Convection Currents in the ocean, which warm up the land.
