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Volcanoes
Unit D Vocabulary
8
Science
7th Grade
11/28/2007

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Term
Magma
Definition
Hot melted rock beneath Earth's surface
Term
Volcanoes
Definition
Openings in Earth's surface through which red-hot melted rock erupts
Term
Volcanologists
Definition
Scientists who study volcanoes
Term
Vent
Definition
An opening in or between tectonic plates
Term
Active (Volcano)
Definition
A volcano that is currently erupting, showing signs that it is likely to erupt in the near future, or has erupted in recorded history.
Term
Dormant (volcano)
Definition
A volcano that has not erupted for at least 10,000 years, but that scientists think may erupt again.
Term
Extinct (volcano)
Definition
A volcano that scientists do not expect to erupt ever again.
Term
Lava
Definition
Molten rock found on top of the earth's surface.
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