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science

Volcanos

TermDefinition
hot spot area where magma from deep with in the mantle melts through the crust above it
island arc string of islands formed the volcanos along a deep ocean trench.
lava liquid magma that reaches the surface and also the rock formed when liquid lava hardens
magma molten mixture of rock forming substances, gases, and water from the mantle
ring of fire major belt of volcanos that rims the pacific ocean
volcano weak spot in the crust where magma has come to the surface
aa moving type of lava that hardens to form rough chuncks cooler than pahoehoe
active volcano that is erupting or has shown signs of erupting in near future
dormant volcano that does not show signs of erupting in near future
extinct volcano that is unlikely to erupt again
pahoehoe hot fast moving type of lava that hardens to form smooth rope like coils
crater bowl shaped area that forms around a volcanos opening
geothermal energy energy from water or stream that builds up pressure underground and erupts at regular intervals
hot spring pool formed by groundwater that has risen to the surface after being heated by a nearby body of magma
lava flow area covered by lava as it pours out of a volcanos vent
magma chamber the pocket beneath a volcano where magma collects
pipe long tube which magma moves from the magma chamber to earth's surface
pyroclastic flow expulsion of ash , cinders , bombs and gases during an explosive volcanic eruption
silica material that is formed from the elements oxygen and silicon. silica is found in magma
vent opening through which molten rock and gas leave a volcano
cinder cone volcano cone-shaped hill or mountain made of volcanic ash, cinders and bombs piled up around a volcanos opening
composite volcano tall cone shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials
shield volcano wide gently sloping mountain made of layers of lava formed by quiet eruptions.
Created by: courtney1024
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