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science of volcanoes


magam molten material beneath or within the earth's
lava melted rock coming from a volcano
viscosity the property of being resistance to flow in a fluid
silica a mineral that consists of silicon and oxygen
pahoehoe basaltic lava having a smooth or billowy surface
Aa basaltic lava having a rough surface
volcanic ash Volcanic ash is pieces of crushed rock and glass that spews from a volcano
hot springs a beautifu cave full of water that is heated up by emanation from or passage near hot or molten rock.
element atmospheric agencies or forces; weather: a ruddy complexion from exposure to the elements.
clinder cone volcano a steep cone shapedhill or small mountain made of volcanic ash,cinders and bombs piled up around a volcanos opening
composite volcano a tall cone shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials
shield volcano a wide gently sloping mountain made of layers of lava and formed by quite eruptions
dike a slab of volcanic rock formed when forces itself across rock layers
sill a slab of volcanic rock formed when magma sueezes between layers of rock
pipe a long tube through which maga moves from the magma chamber to earths surface
magma chamber the pockets beneath a volcano where magma collects
dormat a volcano that is not currently active but that may become active in the future
active a volcano still that can explode
geyser a fountain of water and steam that builds up pressure underground and erupts at regular intervals
caldera the large hole at the top of a volcano the formed when the roof of a volcanos magma chamber collapses
volcanoes a hot spot formed in the earth that blast out lava
lava plateau
ring of fire a majior belt of volcanoes that rims the pacific ocean
crater a spot in the arth were past volcamos eruptede
Created by: cemaiya