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volcanoes

TermDefinition
volcanoes a mountain or hill typically conical having a crater or vent through which lava rock fragment hot vapor and gas are being or have been erupted from the earth's crust.
lava hot molten or semi fluid rock erupted from a volcano or fissure or solid rock resulting from cooling of this.
magma hot fluid or semi fluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.
ring of fire The Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.
hot spot a small area or region with a relatively hot temperature in comparison to its surroundings.
shield volcano a broad, domed volcano with gently sloping sides, characteristic of the eruption of fluid, basaltic lava.
composite volcano a composite volcano, is a conical volcano built up by many layers strata of hardened lava, tephra, pumice, and volcanic ash.
cinder cone volcano a steep, cone-shaped hill or small mountain made of volcanic ash cinders and bombs piled up around a volcano opening
extinct a volcano that is no longer active and is unlikely to erupt again
dormant a volcano that is not currently active but my be in the future
active is a volcano that is erupting or has shown that it may erupt in the future
viscosity a liquids resistance to flowing
silica a material found in magma that is formed from the elements oxygen and silicon
pa hoe hoe a hot and fast type of moving lava that hardens to form smooth rope like coils
aa a slow moving type of lava that hardens to form rough chunks cooler than pa hoe hoe
compound a substance in which two or more elements are chemically joined
element a substances in which all the atoms are the same cannot be broken down into other substances
sill
batholith
lava plateau
dike
volcanic ash
magma chamber
crater
vent
pipe
caldera
hot spring
geyser
Created by: 1964185468
Popular Earth Science sets

 

 



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