Volcaneos Flashcards

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1
Q

Where are volcanoes found

A

At destructive and constructive plate margins

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2
Q

What happens at a destructive plate margins

A

Oceanic plate goes under the continental plate because it’s more dense

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3
Q

How is a volcano formed

A

Oceanic plate moves to the mantle
A pool of magma is formed
Magma roses through vents
Magma erupts onto the surface forming a volcano

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4
Q

How is a volcano formed at a constructive plate margin

A

Magma roses up into the gals created by the plates moving apart to form a volcano

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5
Q

What is a hotspot

A

When volcano forms over parts of the mantle that are really hot

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6
Q

What can happen when a volcano erupts

A

Emits gases, lava, ash

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7
Q

Primary effects for a volcano

A

Crops are damaged
Water supply are contaminated when ash falls
People animals and plants are suffocated by volcanic gases

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8
Q

What are the secondary effects of a volcano

A

People left homeless
Damaged or destroyed businesses cause unemployment and loss of income
Tourism can be disrupted just after it happens

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9
Q

What are immediate responses for a volcano

A

Evacuate people before the eruption of it was predicted

Rescue people cut off by damage to roads or bridges

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10
Q

What are long term responses of a volcano

A

Repair and rebuild if possible or resettle

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11
Q

What are the advantages and disadvantages of volcanoes

A
Positive 
Tourism
Gives of geo thermal energy 
Produces fertile soil 
Negative 
Lava flow
Sea-a tusanimi can occur 
Damage tourism industry
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