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 hardens



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

Thick, flows slowly

Hardens quickly

Steep sided Volcano



Runny, flows quickly

Hardens slowly

Low, flat volcan...

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