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F Conner And Z Spencer
 

F Conner And Z Spencer

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    F Conner And Z Spencer F Conner And Z Spencer Presentation Transcript

    • Magma, Tubeworms, and Clams, oh my!
      All about the Mid-Ocean Ridge.
      By Fenn and Zoë
    • What is the Mid-Ocean Ridge?
      It is a “network” of mostly underwater mountains.
      They are all connected and form a large “chain” wrapping almost around the world.
      “The mid-ocean ridge winds its way between the continents much like the seam on a baseball.” -http://pubs.usgs.gov/publications/text/baseball.html
      Mid-Ocean Ridge. 2009. Ken MacDonald. 28 sept.
      http://www.bbc.co.uk/nature/blueplanet/infobursts/images/midoceanridge.gif
      http://encarta.msn.com/text_761595522_0/mid-ocean_ridge.html
    • How is it Formed?
      Divergent oceanic plates spread apart, causing magma to bubble out.
      The magma hardens and forms an underwater mountain.
      This process is also called “Seafloor Spreading.”
      Marshak, Stephen. Earth: Portrait of a Planet. New York, NY: WW Norton and Company Inc., 2001.
    • http://www.gly.uga.edu/railsback/1121MORBasic.jpeg
    • Thingvellir(thing-vill-eer)
      Thingvellir is in Iceland.
      Some of the Mid-Ocean Ridge is exposed on the surface of Thingvellir. A river has formed there.
      Horrible volcanoes happen in Thingvellir because of the ridge. About 9,000
      People died because
      a volcano killed their
      livestock.
      Thingvellir. 29 Sep. 2009. <http://www.edwebproject.org/scandanavia/thingvellir.html>
    • IT’S HOT!
      Fun Facts!
      A lot of the Mid-Ocean Ridge is still unmapped.
      Most of the ridge lies 6,000 ft. beneath the sea.
      Some of the sea life near the Mid-Ocean Ridge includes giant tube worms, spider crabs, and giant clams!
      Thingvellir was home to the first parliament for vikings!
      Mid-Ocean Ridge. 2009. Ken Macdonald. 29 Sep. 2009. <http://encarta.msn.com/text_761595522_0/mid-ocean_ridge.html>
      Iceland Volcanics and Plate Tectonics. 2003. USGS. 29 Sep. 2009. http://vulcan.usgs.gov/glossary/platetectonics/description-plate-tectonics.html
      Exploring the Deep Ocean Floor: Hot Springs and Strange Creatures. 1999. USGS. 29 Sep. 2009. http://pubs.usgs.gov/gip/dynamic/exploring.html
      Thingvellir. 29 Sep. 2009. <http://www.edwebproject.org/scandanavia/thingvellir.html
      http://4.bp.blogspot.com/_TBo02pPkXnY/R7AulQC0oaI/AAAAAAAAAas/BwDqRHdf7q4/s320/tubeworm.jpg
      http://impressive.net/people/gerald/2005/11/02/15-59-06-sm.jpg
    • Well, thanks for watching!
      Hope you liked our presentation and
      learned a lot from it! 
      And by the way… do you think that the Vikings were affected by the mid ocean ridge in Thingvellir too? Hmmmmmm….
      http://4.bp.blogspot.com/_umo9e9iDLLQ/Sk-OKbCBiEI/AAAAAAAABLw/RGlEiUwomDs/s400/viking+cartoon.bmp