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HaganVocab2

Haganvocab2

QuestionAnswer
magma chamber The pocket beneath a volcano where magma collects
pipe a long tube through whick magma moves from the magma chamber to Earth's surface
vent The opening through which molten rock and gas leave the volcano
lava flow The area covered by lava as it pours out of a volcano's vent
crater A bowl-shaped area that forms around a volcano's central opening.
silica A material that is formed from the elements oxygen and silicon; silica is found in magma
pahoehoe A hot, fast moving type of lava that hardens to form smooth, ropelike coils.
aa A slow-moving type of lava that hardens to form rough chunks; cooler than pahoehoe
pryroclastic flow The explosion of ash, cinders, bombs, and gases during an explosive volcanic eruption
active Said of a volcano that is erupting or has shown signs of erupting in the near future
dormant Said of a volcano that does not show signs of erupting in the near future
extinct Said of a volcano that is unlikely to erupt again.
hot springs A pool formed by groundwater that has risen to the surface after being heated by a nearby body of magma
geyser A fountain of water and steam that builds up pressure underground and erupts at regular intervals
geothermal energy Energy from water or steam that has been heated by magma
Created by: haganj
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