Main vent - The pipe up the middle of the volcano, Magma chamber - This is the source of the molten rock, Crater - This is the depression (dip) at the top of the vent, Volcanic bombs, ash & gas clouds - Airborne material from the volcano, Pyroclastic flow  - Fast flow of lava, rock & gas , Shield volcano - Gentle sloped, less explosive volcanoes on constructive boundaries, Composite volcano  - Steep sloped, highly explosive volcanoes on destructive boundaries, Dormant volcano - volcano that hasn't erupted for more than 10000 years,

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