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Parts of a volcano Crater,Lava flow,ash laye rand the Vent
layers of a volcano The Crust and the Mantle
3 types of a volcano Active,Dormant and Extinct
Active volcanoes The volcano is still erupting at regular intervals
Examle of an Active volcano Mount Vesuvius
Dormant volcanoes The volcano has been queit for a hundred years but may erupt again
Example of a Dormant volcano Mount St Helens
Extinct volcanoes The volcano has not erupted in recorded times
Volcanic mountains Are formed when molten magma emerges or erupts through a hole in the crust called the vent
Magma The molten or semi-molten material that makes up the Earth's Mantle
Lava Molten Magma when it reaches Earth's surface
Volcanic activity can result in: Mid-ocean ridges and islands&Volcanic cones
The Vent Magma reaches the surface through the vent
Lava When magma reaches the surface it is knownas LAVA!!
Layers Layers of these materials builds up to make a cone shaped mountain
Created by: hannaholaitan