volcano Flashcards

1
Q

how are they made

A

they are made when two plates collide (oceanic and continental) then the oceanic plate sink below into the mantel and then a blob of magma shoots from the fault add as the layers of lava build up a volcano forms

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2
Q

what is the what is the ring of volcanos in the pacific ocean

A

it is called the pacific ring of fire

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3
Q

what is the mid-ocean-ridge

A

it is the fault between the north American plate and the Eurasian plate it flows in-between Iceland

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4
Q

what does a mid oceanic ridge form

A

it forms volcanic island the most famous one it formed was Iceland

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5
Q

name all of the stages of volcanos

A

active dormant and extinct

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6
Q

what is the differences between all of the deferent volcanos

A

if it’s active it erupts regularly but if it’s dormant then has not erupted in a while but will erupt again and extinct is when it has not erupted in historic times

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7
Q

draw a volcano diagram

A

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8
Q

what is the positive economical impact of volcanos

A

geothermal energy which is renewable energy that fertilizes soil provides heat it also creates a lot of tourism attractions

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9
Q

neg impact

A

one of them is that when the E15 let out a huge ash cloud which forced Iceland to cancel 100000 flights and the ash cloud spared to north europe

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