Vent – when the magma from the earth’s mantle reaches the surface through.
Lava– when the magma reaches the earth’s surface becoming a lava.
Pipe– a passage way in the volcano where the lava continues to rise through
Crater– an opening where the lava is ejected at the top of volcano.
Caldera– when the explosion of volcano and crater is destroyed.
Crater lake– when caldera is filled up with water.
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