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Understanding Volcanoes: Types, Hazards, and Their Impact on Climate and Soils

This homework assignment explores the fascinating world of volcanoes, from their definitions and types to the hazards they pose. Read pages 714-717 and complete problems 2, 3, and 7 on page 717. View a movie clip featuring volcanologists discussing volcanic eruptions, focusing on Soufriere Hills in Montserrat. Learn about pyroclastic flows, lahars, and volcanic products, as well as long-term benefits such as fertile soil and minerals. Complete your movie handout and prepare for a test on these critical geological phenomena.

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Understanding Volcanoes: Types, Hazards, and Their Impact on Climate and Soils

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Presentation Transcript

  1. Physics 3/11-3/12 Volcanoes

  2. The last homework assigned • Read pages 714-717 • Try problems 2,3 and 7 on pg 717 Turn in Movie Handout Some of you need to complete tests

  3. Movie clip • 2 volcanologists are at a conference to find ways to convince people at their volcano can erupt with deadly results • Soufriere Hills, Montserrat in the Caribbean. Eruption in the 1980’s • Watch for the pyroclastic flows!

  4. Volcanoes • Definition • Location Are all volcanoes equally dangerous?

  5. Types of Volcanoes • Shield Volcanoes • Composite Volcanoes • Cinder Volcanoes

  6. Hazards of volcanoes Ash Fall Pyroclastic Flows (Nuee Ardentes) Mud Flows (Lahars)

  7. Pyroclastic flow

  8. Lahars

  9. Hazards • Volcanic Bombs • Gas Clouds • Lava flows

  10. Volcanic Bombs

  11. Volcanic Hazards • Tsunamis • Climate change • Additional issues

  12. Tsunami

  13. Long-term volcanic benefits • Fertile soil • Volcanic products • Pumice • Sulfur • Diamonds • Metamorphic ore

  14. Parts of a volcano • Vent • Magma Chamber • Cone • Caldera/crater

  15. Fumarole

  16. Geyser

  17. Hot Springs

  18. Mud Pots

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