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Plate Tectonics & Rock Cycling Flashcards | StudBud
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Plate Tectonics & Rock Cycling
Plate Tectonics & Rock Cycling
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Flashcards
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Questions
10
Answers
1
What happens to Earth's crust two plates move away from each other?
Rising magma makes new crust & replaces old crust that's been destroyed.
Earth grows & expands rapidly causing more volcanoes to erupt.
Earth shrinks rapidly & old crust is destroyed by volcanic eruptions.
Oceanic crust disappears and new continental crust is formed.
2
Mountains on Earth's surface change in size over time.
False
True
3
Where are most long chains of volcanoes located?
In areas where ocean plates and continental plates collide.
In areas where ocean plates move away from each other.
In areas where two continental plates collide.
4
What large pieces of bedrock are called?
Crust
Tectonic plates
Continents
Mantle pieces
5
Which
TWO
statements best explain what happens when an oceanic plate moves below continental plates?
Oceanic crust becomes less dense and rises.
Magma rises up to form volcanoes.
Oceans disappear into the mantle.
The Oceanic Plate melts into magma.
6
What statements about Earth's plates are true? Check
ALL
that apply.
All plates move at the same speed.
All plates move in the same direction.
Plate movements can make mountains grow.
Plate movements can cause earthquakes
Volcanoes are usually present at the edges of plates.
7
What types of plates are colliding along the west side of South America?
Oceanic-Oceanic
Continental, Pacific
Continental-Continental
Oceanic-Continental
8
What has caused Mount Mitchell to shrink over time?
Plate movements
Strong earthquakes
Wind and water erosion
Volcanic eruptions
9
How is bedrock deep in the Earth different from bedrock closer to Earth's surface?
It's more dense.
All of the above.
It is hotter.
It is more fluid/softer.
10
Which best explains why Antarctica's past location used to be closer to the equator?
Antarctica didn't move, the climate in the South Pole used to be warm.
An earthquake shook Antarctica to the South Pole.
Ocean currents caused Antarctica to float away.
The plate where Antarctica sits has been moving towards the South Pole.
