Volcano flash cards

Volcanoes

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  • Created by: Ella-boo
  • Created on: 14-04-14 12:50
Where do volcanoes occur?
Constructive and destructive plate boundaries (margins)
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What is a constructive plate boundary?
As a plate moves apart, new crust is formed as magma rises from the mantle.
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What is a destructive plate boundary?
As plates move towards each other, oceanic crust is forced beneath the continental crust yo form a subduction zone. As it's forced downwards it starts to melt it to form MAGMA! Which then rises to the surface and can be very destructive and explosiv
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What comes out of a volcano?
Lava(molten rock- magma under the surface), pyro clastic flows, dust, ash, steam,gas, volcano bombs
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What are he economic advantages of volcanoes?
Tourism, landscape, better fertile soil, mineral extraction- many valuable minerals form when volcanic activity occurs, geothermal energy- steam heats rocks makes turbines generate energy,raw materials.
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Describe a way in which a volcano can be monitored
Look for increase in seismic activity gases, changes in temperature and mineral content of nearby springs. Also laser ranging which uses laser beams and mirrors to detect minor changes in the shape of volcano and lland, a
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Other cards in this set

Card 2

Front

What is a constructive plate boundary?

Back

As a plate moves apart, new crust is formed as magma rises from the mantle.

Card 3

Front

What is a destructive plate boundary?

Back

Preview of the front of card 3

Card 4

Front

What comes out of a volcano?

Back

Preview of the front of card 4

Card 5

Front

What are he economic advantages of volcanoes?

Back

Preview of the front of card 5
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