Volcano Vocabulary
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Volcano Vocabulary

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Volcano Vocabulary Volcano Vocabulary Presentation Transcript

  • Volcano Vocabulary
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Volcano
    • Opening in the Earth’s surface that erupts sulfurous gases, ash and lava
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Vent
    • Opening where magma is forced up and flows out onto Earth’s surface
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Crater
    • Steep walled depression around a volcano’s vent
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Magma
    • Hot melted rock below the Earth’s surface
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Magma Chamber
    • Deep well underground that holds magma under a volcano
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Lava
    • Thick gooey molten rock material flowing from volcanoes onto Earth’s surface
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Plate Tectonics
    • Earth’s crust, and upper mantle are broken into plates that flow and move around on plastic-like layer of the mantle
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Divergent Plate Boundary
    • Boundary between two plates that are moving apart
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Convergent Plate Boundary
    • place where Earth’s plates move toward each other
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Shield Volcano
    • Broad, gently sloping volcano formed by quiet eruptions of lava. Found mostly where Earth’s plates move apart from each other. Formed from basaltic lava.
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Tephra
    • Bits of rocks and solidified lava dropped from the air during an explosive volcanic eruptions; range in size from volcanic ashes to volcanic bombs and blocks
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Cinder Cone Volcano
    • Steep sides, loosely packed volcano formed when tephra falls to the ground. Formed from andesitic lava.
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Composite Volcano
    • Volcano built by alternating explosive and quiet eruptions that produce layers of tephra and lava; has broad base with a steep top; found mostly where Earth’s plates come together and one plate sinks below the other. Formed from granitic magma.
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?
  • Hot Spot
    • Unusually hot area where magma breaks through the crust and forms a volcano. Not at a plate boundary. This is how Hawaii formed.
    • E.Q. : What are the characteristics and examples of the different types of volcanic eruptions?