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3:2 Volcanoes

Volcanic Activity

TermDefinition
Magma Chamber Pocket of magma beneath Earth's surface.
Pipe A long tube into the ground that connects the magma chamber to Earth's surface.
Vent opening of a volcano where magma is forced up
Lava flow Melted rock flowing on the surface of the Earth.
Crater circular depression at the top of a volcano.
Silica A material found in magma that is formed from the elements oxygen and silicon.
Pahoehoe A hot, fast-moving type of lava that hardens to form smooth, rope-like coils.
AA A slow-moving type of lava that hardens to form rough chunks; cooler than pahoehoe
Pyroclastic Cloud A super-heated cloud of ash, gas and rock.
Active A volcano that is currently erupting or likely to erupt.
Dormant When it is not erupting but capable of erupting in the future.
Extinct A volcano that no longer erupts and is in the process of eroding.
Hot spring A pool of groundwater that has risen to the surface after being heated by a nearby body of magma.
Geyser Fountain of water and steam that erupts from the ground.
Geothermal underground heat warms water, and steam turns turbines and generators.
Created by: Scovilleryd12
Popular Earth Science sets

 

 



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