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volcanoes
Term | Definition |
---|---|
volcano | is a mountain or hill and inside of it has lava that will soon come out of the mountain or hill |
lava | hot molten rock thats in a volcano |
magma | is a hot fluid below the mantels crust |
volcanic ash | is very small solid particles that eject from a volcano |
magma chamber | is a large underground pool of liquid rock |
crater | large big bowl shape on the ground or on the surface of the planet |
vent | an opening that allows gas,air,or liquid to come through |
pipe | is a "pipe" that lets lava through to get out of the volcano |
lava flow | when lava comes of the volcano it makes a lava flow |
element | a substance that cannot be broken down into other subtances |
viscosity | is the resistance of a liquid to flowing |
silica | is a compound made up of particles of the elements oxygen and silicon |
pohoehoe | is fast moving hot lava that has low viscosity |
aa | is lava that is cooler and slower moving |
compound | is a substance made of two or more elements that have been chemically combined |
subduction | elements put together to make a compound |
extinct | when a volcano may never explode agian |
dormant | a sleeping volcano |
active | a volcano that is soon to explode again |
cinder cone volcano | a volcano shaped like a cone |
shield volcano | is a volcano that is made up of layers of layers of fluid lava |
composite volcano | is a volcano that is made up of layers of solid lava flow mixed with other rock |
caldera | when a volcano collapse and makes a calder |
batholith | a large body of rock witch is believed to crystalize |
lava plateau | is formed by highly fluid lava built up in layers |
sill | a mount or mountain witch is created with rock and other layers |
dike | a mass of rock similar to sandstone |
hotspring | is a pool under ground with hot water that will eventually come out or explode |
geyser | a hotspring that explodes is called a geyser |