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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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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


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


Mauna kea hawaii

Mauna Kea, Hawaii


Hualalai hawaii

Hualalai, Hawaii


Kilauea hawaii

Kilauea, Hawaii


Mt okmok alaska

Mt. Okmok, Alaska


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


Mt fuji japan

Mt. Fuji, Japan


Mt st helens

Mt. St. Helens


Mayon philippines

Mayon, Philippines


Popocat petl mexico

Popocatépetl, Mexico


Mt kazbek georgia the country

Mt. Kazbek, Georgia (the country)


Pinatubo philippines

Pinatubo, Philippines


Lassen peak california

Lassen Peak, California


Krakatoa indonesia

Krakatoa, Indonesia


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


Sunset crater arizona

Sunset Crater, Arizona


Holocene utah

Holocene, Utah


Par cutin mexico

Parícutin, Mexico


Effects of volcanoes1

Effects of Volcanoes

  • Summary:

    • Describe a shield volcano.

    • Describe a composite volcano.

    • Describe a cinder cone volcano.


Intro

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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