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Inside Earth 3:2

Ch. 3 Sec. 2 Volcanic Activity

QuestionAnswer
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 The 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.
pyroclastic flow A super-hheated cloud of ash, gas and rock.
active colcano A volcano that is currently erupting or likely to erupt.
dormant volcano When it is not erupting but capable of erupting in the future.
extinct volcano 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 form the ground.
geothermal Underground heat warms water, and steam turns turbines and generators.
Created by: boriemia12
Popular Earth Science sets

 

 



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