Volcanoes Flashcards

1
Q

What is a volcanologist

A

It’s a person who studies volcanoes

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2
Q

What’s the formation the a volcano

A

1lava erupts through a small hole (vent)
2 as more and more magma comes through it cools down and hardens
3after many eruption layers of lava and ash build up around the vent

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3
Q

What’s the life cycle of a volcanos

A

Active: any volcano that has erupted in the past 10,000 years
Dormant: any volcano taht hasn’t erupted in the past 10,000 years
Extibct:a volcano that is never expected to eurruot again

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4
Q

What r mid ocean ridges

A

They r a narrow chain of mountains in the ocean

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5
Q

What’s the Pacific ring of fire

A

Is where most of the world earthquake and volcanoes are

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6
Q

What is eyjafjallajökull?

A

It had violent and explosive corruption it had very little lava but a ton of smoke

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7
Q

What r positive impacts of the volcanos

A

Social impact:reduced unemployment and increased tourism and employment

Economic impact:generated income and fertile soil

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8
Q

Negative impacts of a volacno

A

Social impact:contaminated water supply and evacuation of locals

Economic impact:travel chaos and loss of earnings

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