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Volcanoes

folding

QuestionAnswer
What are volcanoes A mountain or hill typically conical having a crater or vent through which lava , rock fragments , hot vapour and gas are or have been erupted from the earths crust
Where can volcanoes be found they are normally found where the plates are diverging or converging
How do volcanoes occur They occur because the earths crust is broken into 17 major rigid techtonic plates that float on a hotter , softer layer in its mantle.
What is the difference between magma and lava Magma is molten rock below the surface of the earths crust when this molten rock reaches the surface of the earth is then called lava
What are the stages of a volcanoes life Active , dormant and extinct
What do these stages mean Active has erupted recently and is likely to erupt again in the near future Dormant: has not erupted in recent history but is expected to erupt again Extinct: has not erupted in recorded history and is not expected to erupt again
Created by: Laura_obrien123