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Volcanoes

By: Sawyer Breitsprecher, Madelyn Monroe, and Alex Holthaus
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on 14 November 2012

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Transcript of Volcanoes

Volcanoes By: Sawyer Breitsprecher, Madelyn Monroe, and Alex Holthaus What Are Volcanoes? Volcanoes are huge mountains that have a vent, or opening, and the peak of it, which allows magma to erupt from it. Types of Volcanoes Composite Volcanoes Examples: St. Augustine Volcano, Alaska, USA Shield Volcanoes Definition: volcanoes that are formed by alternating layers of lava and rock. Also known as strato volcanoes. Cinder Cone Volcano Definition: Volcano that gentle slopes and has layers of runny lava that escapes from one or more vents Examples: The Hawaiian and Galapagos Islands Definition: A cinder cone is a steep, conical hill of volcanic fragments that accumulate around and downwind from a vent. Examples: Mt. Ngāuruhoe & Wizard Island Volcano Diagram Volcano Erupting Vocabulary Words Magma: Hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling. Lava: Hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this. Dike: Provide (land) with a wall or embankment Volcanism: Volcanic Activity/Phenomena Hot Spots: An isolated area of volcanic activity Fissures: A long narrow opening made by a crack or splitting in Eath. Crater: A large pit that forms the mouth of the volcano Sources: http://library.thinkquest.org/17457/volcanoes/types.php

http://volcanology.geol.ucsb.edu/volcano.htm

http://volcano.oregonstate.edu/vwdocs/vwlessons/volcano_types/shield.htm http://volcano-pictures.info/glossary/cinder_cone.html http://www.google.com/imgres?um=1&hl=en&safe=active&sa=N&tbo=d&biw=1176&bih=614&tbm=isch&tbnid=ZwpgOhuFi_CWRM:&imgrefurl=http://skywalker.cochise.edu/wellerr/students/volcano-types/project.htm&docid=UVMMZa2_wG0x5M&imgurl=http://skywalker.cochise.edu/wellerr/students/volcano-types/project_files/image006.jpg&w=473&h=352&ei=O26ZUJXIFeWYyAGL5oH4CQ&zoom=1&iact=hc&vpx=4&vpy=156&dur=816&hovh=194&hovw=260&tx=147&ty=87&sig=104205862842234921301&page=1&tbnh=147&tbnw=177&start=0&ndsp=16&ved=1t:429,r:0,s:0,i:73

http://www.google.com/imgres?um=1&hl=en&safe=active&sa=N&biw=1292&bih=621&tbm=isch&tbnid=Ps2rJyvCZ_PY2M:&imgrefurl=http://www.maniacworld.com/erupting-volcano.htm&docid=P74AAz2BiyuIFM&imgurl=http://www.maniacworld.com/erupting-volcano.jpg&w=400&h=293&ei=4xWIUImiJrSxygG5xoHQDA&zoom=1&iact=hc&vpx=273&vpy=98&dur=472&hovh=192&hovw=262&tx=195&ty=99&sig=104205862842234921301&page=1&tbnh=145&tbnw=175&start=0&ndsp=16&ved=1t:429,r:1,s:0,i:76

http://www.google.com/imgres?um=1&hl=en&safe=active&sa=N&biw=1292&bih=621&tbm=isch&tbnid=_H19pqQEU1J3jM:&imgrefurl=http://www.annacaro.org/2012/09/20/nzsfbw-day-4-the-next-big-thing/&docid=JGXLXd2EiXq6xM&imgurl=http://www.annacaro.org/wp-content/uploads/2012/09/volcanoes-erupting.jpg&w=450&h=300&ei=4xWIUImiJrSxygG5xoHQDA&zoom=1&iact=hc&vpx=326&vpy=177&dur=401&hovh=183&hovw=275&tx=107&ty=92&sig=104205862842234921301&page=1&tbnh=140&tbnw=234&start=0&ndsp=11&ved=1t:429,r:7,s:0,i:94

http://www.google.com/imgres?um=1&hl=en&safe=active&sa=N&biw=995&bih=621&tbm=isch&tbnid=8YWcl3o2oCm2DM:&imgrefurl=http://www.environmentalgraffiti.com/ecology/mother-earth-when-volcanoes-ruled-the-world/580&docid=0C7Moq4K_4xMCM&imgurl=http://www.environmentalgraffiti.com/sites/default/files/images/1338390835408849554.jpg&w=500&h=398&ei=6mKJUOHFHaSwyQHJ7YGYDQ&zoom=1&iact=hc&vpx=342&vpy=310&dur=389&hovh=200&hovw=252&tx=172&ty=167&sig=104205862842234921301&page=3&tbnh=137&tbnw=178&start=28&ndsp=16&ved=1t:429,r:21,s:20,i:197

http://www.google.com/imgres?um=1&hl=en&safe=active&sa=N&biw=995&bih=621&tbm=isch&tbnid=AXCwGPzjq9HnWM:&imgrefurl=http://www.boston.com/bigpicture/2008/07/recent_volcanic_activity.html&docid=Iba_PGHfVu6ouM&imgurl=http://cache.boston.com/universal/site_graphics/blogs/bigpicture/volc_07_16/volc1.jpg&w=990&h=624&ei=6mKJUOHFHaSwyQHJ7YGYDQ&zoom=1&iact=hc&vpx=112&vpy=166&dur=317&hovh=178&hovw=283&tx=149&ty=116&sig=104205862842234921301&page=3&tbnh=137&tbnw=227&start=28&ndsp=16&ved=1t:429,r:20,s:20,i:194



http://www.google.com/imgres?um=1&hl=en&safe=active&sa=N&biw=995&bih=621&tbm=isch&tbnid=_diRTGecUXtbcM:&imgrefurl=http://www.windows2universe.org/earth/interior/composite_volcanos.html&docid=HTbgdBllee6cyM&imgurl=http://www.windows2universe.org/earth/images/composite_volcano_2_small.gif&w=217&h=289&ei=eWiJUOL9PJDlyAGtxoGIDw&zoom=1&iact=hc&vpx=108&vpy=173&dur=3268&hovh=231&hovw=173&tx=93&ty=99&sig=104205862842234921301&page=1&tbnh=142&tbnw=108&start=0&ndsp=12&ved=1t:429,r:8,s:0,i:94 Shield Composite Cinder Cone
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