Earthquakes and Volcanoes

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1.3 Volcanoes

kumareshg-1868391When two plates separate, magma under the earth’s crust rises to the surface, cools and hardens to form lava.

Types of Volcanoes:

  • Composite volcano.
  • Shield volcano.
  • Dome volcano.

Made up of:

Lava

Lava hardens

Profile

Composite

Ash and lava that has erupted, cooled and hardened into layers

Thick, flows slowly

Hardens quickly

Steep sided Volcano

Shield

Lava

Runny, flows quickly

Hardens slowly

Low, flat volcan...

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