volcano test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| shield volcano | gently sloping mountain. forms when a volcano errupts quietly. thin layers of lava build up slowly over a large area around the vent.
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| cinder cone | steep cone shaped hill. it forms when a volcano errupts explosivly. ashes, cinders and bombs pile up around the vent.
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| composite volcano | is a tall cone shaped mountain. it forms when a volcano errupts quietly the explosivly.layers of lava are followed by layers of ash, cinders, and bombs.
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| caldera | when a volcano collpses it leaves a huge hole.
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| cinder cone volcano | the boundries are hot spot, divergent or convergent.
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| composite volcano type of boundaries | convergent
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| shield volcano type of boundary | divergent
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| active volcano | has lots of energy in it and this happens when a volcano is currently in action.
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| extinct | no longer errupts
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| dormant | hasnt errupted in a long time
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| low viscosity | thin and runny lava
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| high viscosity | thick and chunky
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| pahoehoe | fast moving thin and hot lava
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| Aa | slow moving thicker and cooler lava.
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| magma | thick and sticky
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| pyroclastic flow | creates bombs, ash and lava.
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| hot spring | forms when groundwater heated by magma rises to the surface and collects in a nataural pool.
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| geyser | is a fountain of water and steam that errupts from the ground.
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| silica | magma contains silica.magma that contains more silica has a higher viscosity.
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| hot spot | is a place where material rises from deep in the mantle. the material forms magma.
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Created by:
_briannab44_
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