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Shawn's Volcano Presentation

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  • Tuesday, November 9, 2010
  • Tuesday, November 9, 2010
  • Tuesday, November 9, 2010
  • Tuesday, November 9, 2010
  • Tuesday, November 9, 2010
  • Tuesday, November 9, 2010
  • Tuesday, November 9, 2010
  • Info found by Shawn Tuesday, November 9, 2010
  • Info found by Shawn

Transcript

  • 1. Volcanoes
  • 2. What Are Volcanoes?
    • A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet.
    • In simple terms a volcano is a mountain that opens downward to a pool of molten rock (magma) below the surface of the earth. It is a hole in the Earth from which molten rock and gas erupt.
    • From: http://www.woodlands-junior.kent.sch.uk/Homework/mountains/volcanoes.htm
  • 3. What do Volcanoes look like?
    • A volcano is a big mountain that has a big circle hole at the top of the mountain.
    • After an eruption a volcano is very grey/black/brown with red/yellow/orange lava around the top.
  • 4. How do Volcanoes erupt?
    • Volcanoes are formed when there is a great pressure inside the earth’s crust and the force of the magma reaches so high that it finds its way upward causing an eruption. From: http://www.letusfindout.com/how-do-volcano-erupt/
  • 5. What is the biggest Volcano in New Zealand?
    • The biggest volcano in New Zealand is the Lake Taupo volcano which is submerged under water.
    • The biggest active volcano in New Zealand is Mt. Ruapehu.
  • 6. What is the most dangerous volcano in New Zealand?
    • The most dangerous volcano in New Zealand is Lake Taupo which last erupted in the year 186 and erupts approximately every 2000 years.
  • 7. How many volcanoes are active in Auckland?
    • There are 49 volcanoes in Auckland, but no one knows how many volcanoes are active as they can erupt at anytime.
  • 8. What are some of the latest volcano eruptions?
    • One of the latest volcano eruptions in the world was the volcano in Indonesia which has a death toll of 135. See more information at: http://timesofindia.indiatimes.com/world/south-asia/Toll-from-Indonesia-volcanic-eruptions-rises-to-135/articleshow/6884930.cms
  • 9. New Zealand Volcano Eruption Warnings
    • An eruption is coming, warns GNS Science volcanologist Dr Graham Leonard, and anyone living pretty much north of Wellington should be prepared. For more information visit: http://www.stuff.co.nz/national/4317059/Eruption-threat-real-warns-expert
    • Also there is a volcano eruption warning on White Island. Visit: http://www.geonet.org.nz/volcano/index.html
  • 10. What country has the most volcanoes?
    • Indonesia has the most volcanoes, by far. It is really a special place because there seem to be volcanoes all around, in all directions. Merapi (which means "mountain of fire") erupted in January 1994 and killed a few hundred people.
    • From: http://www2.scholastic.com/browse/article.jsp?id=4886
  • 11. Diagram of a volcano.