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Plate Tectonics

Across
A boundary where plates move towards each other
Long undersea chain of mountains
When rock is being pushed in 2 opposite directions
This is like a sleeping volcano
Magma that reaches the earth's surface
Process in which molten rock flows up through a crack in the earths oceanic crust
A wave that is produced by an earthquake or landslide
A number assigned to an earthquakes size
A boundary where plates move apart from each other
This type of volcano pose an immediate
An area where lava frequently erupts at the surface
Down
Force that squeezes rock until it bends or breaks
Undersea valleys
This type of volcano is also called a stratovolcano.
Molten rock under the surface of the earth
The sinking mivement of ocean floor back into the mantle
A break in the rock of Earth's crust or mantle
A boundary where plates slip past each other
Structure that forms when molten material reaches earth surface
Shaking of earth that results from plate movement
A dead volcano is also called this
Refers to the Earth's crust
A force that acts on rock to change its shape or volume
A force on Earth's crust stretching the rock to make it thinner