Volcanoes Morgan Rodger

When When it's beneath the surface, the molthen rocks is called magma. When it reaches the surface, it erups as lava, ash and volcanic rocks, with each eruption, rocks, lave and ash bilt up around the vlocanic vent. The nature of the eruption depends on the viscosity of the magma.

Volcanoes are formed when magma from within the Earth's upper matle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.

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Created with images by dmsumon - "Volcano" • skeeze - "volcano lava flowing" • robertpaulyoung - "Volcano, DisneySea" • skeeze - "volcano lava eruption"

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