The Parts of a Volcano.

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Presentation transcript:

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? VENT- the vent is the opening from which lava flows. Dust, ash, and rock particles can also be thrown out of the vent!

2. Crater- the top of the volcano. It is a funnel shaped pit 2. Crater- the top of the volcano. It is a funnel shaped pit. It is formed when the material explodes out of the vent!

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 There are 3 types of Volcanoes: Shield Cinder Cone Composite They are classified by how they form.

Shield Volcano Is wide and somewhat flat. It forms from a quiet eruption. Lava flows out quietly and for great distances.

Cinder Cone Volcano Has tall, very steep sides. Has explosive eruptions. This eruption produces a lot of cinder and ash.

Composite Volcano Form from explosive eruptions. Produce a lot of lava and ash. Is small, with steep sides.