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.

The volcano in southern Iceland's Eyjafjallajokull glacier sends ash into the air

Thick drifts of volcanic ash blanketed parts of rural ,as a vast plume of grit drifted over Europe.

Smoke and steam hangs over the volcano under the Eyjafjallajo kull glacier in Iceland, which has erupted for the second time in less than a month, melting ice, shooting smoke and steam into the air and forcing hundreds of people to flee rising floodwaters. Volcanic ash drifting across the Atlantic forced.

Smoke and steam rises from the volcano over the sky.

Volcanic ash causes travel disruption. This natural-color