Volcano Vocab

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Magma Chamber

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A large underground pool of molten rock beneath the Earth's surface.

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Vent

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An opening in the Earth's crust where volcanic materials escape.

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Crater

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A bowl-shaped depression on a volcano.

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Conduit

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The main pathway or pipe that magma travels through.

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Dormant Volcano

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A volcano that has not erupted for a significant period but may erupt again.

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Extinct Volcano

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A volcano that is permanently inactive and cannot erupt again.

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Magma

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Magma is molten rock beneath the Earth's surface.

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Lava

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Molten rock that erupts onto the Earth's surface.

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Volcanic Eruption

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The blowing up of magma, gases, and ash from a volcano.

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Volcanic Ash

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Fine particles and mineral fragments ejected during eruptions.