the parts of a volcano
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The Parts of a Volcano. What is a Volcano?. A volcano is a mountain that forms when magma reaches the surface of the Earth. Magma rises because it is less dense than the solid rock around it. What are the parts of a Volcano?.

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Presentation Transcript
what is a volcano
What is a Volcano?
  • A volcano is amountain that forms when magma reaches the surface of the Earth.
  • Magma rises because it is less dense than the solid rock around it.
what are the parts of a volcano
What are the parts of a Volcano?
  • VENT- the vent is the opening from which lava flows. Dust, ash, and rock particles can also be thrown out of the vent!
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2. Crater- the top of the volcano. It is a funnel shaped pit. It is formed when the material explodes out of the vent!
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3. Volcanic cone- is the pile of lava, dust, ashes, and rock around the vent. It can be found in different shapes!
types of volcanoes
Types of Volcanoes
  • There are 3 types of Volcanoes:

Shield

Cinder Cone

Composite

  • They are

classified by

how they form.

shield volcano
Shield Volcano
  • Is wide and somewhat flat.
  • It forms from a quiet eruption.
  • Lava flows out quietly and for great distances.
cinder cone volcano
Cinder Cone Volcano
  • Has tall, very steep sides.
  • Has explosive eruptions.
  • This eruption produces a lot of cinder and ash.
composite volcano
Composite Volcano
  • Form from explosive eruptions.
  • Produce a lot of lava and ash.
  • Is small, with steep sides.
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