Review mountians-volcano
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Transcript

  • 1. Review : Mountains and Volcanoes
  • 2. Pryoclastic Flow
    • A cloud of super- hot gases and rock fragments that races downhill from an erupting volcano
  • 3. Volcano
    • An opening in the Earth’s crust through which molten rock, rock fragments and hot gasses erupt
  • 4. Mountain
    • An area of land that rises steeply from the land around it
  • 5. Geyser
    • A type of hot spring that shoots water into the air
  • 6. Deep sea vent
    • Hot springs that form at spreading centers
  • 7. Mudflows
    • Landslides that occur when loose rocks and soil are mixed with water
  • 8. Fumarole
    • Similar to a hot spring, instead of water a fumarole releases steam and other gases
  • 9. What are the three types of volcanoes
    • Shield
    • Cinder cone
    • Composite
  • 10. What are the two types of mountains?
    • Folded
    • Fault-block
  • 11. What are the immediate effects of a volcanic eruption?
    • Lava flows
    • Volcanic Ash
    • Mudflows
    • Pyroclastic Flow
    • Land slide
    • Steam explosion
  • 12. What are the three types of volcanic rock fragments?
    • Volcanic ash
    • Cinders
    • Bombs
  • 13. How do folded mountain form?
    • Two continental plates push together
  • 14. Which type of boundary are folded mountains most likely to occur?
    • convergent
  • 15. Why do scientist monitor volcanoes?
    • To warn people before they erupt
  • 16. What are the main gases in volcanic eruptions?
    • Water vapor
    • Carbon dioxide
  • 17. What is the greatest danger to people living near a shield volcano?
    • Lava flows
  • 18. Why are there no active volcanoes in the Himalayas
    • They are not near a seduction zone