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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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slide1

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 volcanoes1
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

effects of volcanoes
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

types of volcanoes2
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

effects of volcanoes1
Effects of Volcanoes
  • Summary:
    • Describe a shield volcano.
    • Describe a composite volcano.
    • Describe a cinder cone volcano.
slide22

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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