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science 3

more science

QuestionAnswer
volcano erupting vent through which molten rock surfaces; creating and destructing mountains
magma Molten rock beneath the Earth surface
lava magma that flows out onto Earth's surface
ring of fire Pacific Ring of Fire (or just The Ring of Fire) is an area where large numbers of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean
island arc A string of islands formed by the volcanoes along a deep ocean trench
hot spot An area where magma from deep within the mantle melts through the crust above it
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 flow A super-heated cloud of ash, gas and rock
active volcano 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 from the ground
geothermal underground heat warms water, and steam turns turbines and generators
Created by: vanguilderwil12
Popular Science sets

 

 



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