5th Science Ch. 5 Lessons1-3
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Created by:
HOLYINFANT on December 6, 2010
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13 terms
Terms | Definitions |
|---|---|
 atmosphere | the layers of gases that surround the Earth |
| landform | a physical feature on Earth's surface |
| geologist | a scientist who uses rocks to learn about the history and structure of Earth |
| fault | a deep crack in Earth's crust |
| volcano | an opening in Earth's crust through which lava may flow |
| lava | hot, melted rock that reaches Earth's surface |
| hot spot | a stationary location in Earth's mantle where magma melts through a tectonic plate |
| island arc | a string of volcanic islands made from melted rock rising u from beneath the sea floor |
| island chain | a formation of islands aligned above a volcanic hot spot |
| cinder-cone volcano | a steep-sided mountain that forms from explosive eruptions of thick lava |
| composite volcano | a mountain formed from alternating eruptions of lava and ash |
| crater | a cup-shaped depression that forms around a vent on a volcano |
| shield volcano | a wide, gently sloped cone that forms from flowing lava |
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