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2. Which of the following forms is NOT a part of a volcano?
A. crater
C. vent
D. magma chamber
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PARTS OF VOLCANO
- Magma - Molten rock beneath Earth's surface.
- Parasitic Cone - A small cone-shaped volcano formed by an accumulation of volcanic debris.
- Sill - A flat piece of rock formed when magma hardens in a crack in a volcano.
- Vent - An opening in Earth's surface through which volcanic materials escape.
- Flank - The side of a volcano.
- Lava - Molten rock that erupts from a volcano that solidifies as it cools.
- Crater - Mouth of a volcano - surrounds a volcanic vent.
- Conduit - An underground passage magma travels through.
- Summit - Highest point; apex
- Throat - Entrance of a volcano. The part of the conduit that ejects lava and volcanic ash.
- Ash - Fragments of lava or rock smaller than 2 mm in size that are blasted into the air by volcanic explosions.
- Ash Cloud - A cloud of ash formed by volcanic explosions.
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