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Intro

Objective: 19 November 2012. Compare and contrast the three types of volcanoes. Intro. Pick up worksheet (tape into notebook) Weekly Worksheet #13: Why do you think different eruption types make differently shaped volcanoes?. Types of Volcanoes. Types of Volcanoes. Shield Volcano.

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Intro

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Presentation Transcript

  1. Objective: 19 November 2012 Compare and contrast the three types of volcanoes. Intro • Pick up worksheet (tape into notebook) • Weekly Worksheet #13: • Why do you think different eruption types make differently shaped volcanoes?

  2. Types of Volcanoes

  3. Types of Volcanoes • Shield Volcano • Built from layers of runny lava from multiple quiet eruptions • Shallow, broad slope creating a flat, wide volcano • Example • Name: Mauna Kea • Location: Hawaii Types of Volcanoes Flipchart pg. 2

  4. Mauna Kea, Hawaii

  5. Hualalai, Hawaii

  6. Kilauea, Hawaii

  7. Mt. Okmok, Alaska

  8. Effects of Volcanoes • Composite Volcano • Alternates between quiet and violent eruptions • Creates alternating layers of lava and ash debris (tephra) • Broad bases and steep sides (looks like regular mtn.) • Example • Name: Mt. St. Helens • Location: Washington, USA Types of Volcanoes Pg. 3

  9. Mt. Fuji, Japan

  10. Mt. St. Helens

  11. Mayon, Philippines

  12. Popocatépetl, Mexico

  13. Mt. Kazbek, Georgia (the country)

  14. Pinatubo, Philippines

  15. Lassen Peak, California

  16. Krakatoa, Indonesia

  17. Types of Volcanoes • Cinder Cone Volcano • Made mostly of pyroclastic material from moderately explosive eruptions. • Steep slopes but small in size • Tephra, cinders, ash, pyroclastic rocks • Example • Name: Paricutín • Location: Mexico Types of Volcanoes Flipchart Pg. 4

  18. Sunset Crater, Arizona

  19. Holocene, Utah

  20. Parícutin, Mexico

  21. Effects of Volcanoes • Summary: • Describe a shield volcano. • Describe a composite volcano. • Describe a cinder cone volcano.

  22. Objective: 19 November 2012 Compare and contrast the three types of volcanoes. Outro Which volcano type would you like to see erupt? Why?

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