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    Research process updated Research process updated Presentation Transcript

    • Research is a Process:
      Step by step
    • Begin with questions
      What are your requirements?
      Number of sources
      Type of sources
      What is your discipline?
      Humanities, Social Science, Science?
      Multidisciplinary or Cross-disciplinary?
    • More questions
      What is your topic?
      Assigned to you?
      Your choice?
      Group project?
      What is your interest?
      Consider the various aspects or concepts
      Consider the timeline
    • Where to begin?
      Background info
      Find out as much as you can about the topic, even if you are not going to focus on all the aspects
      Look at both sides if possible
      Find names of organizations, laws, people, dates of importance
      Look for specific terms you can use in your search strategy
    • Sources of Background Information – just a few examples
      CQ Researcher
      Issues and Controversies
      Points of View Reference Center
      “Opposing Viewpoints” books
      Encyclopedias – general and specialized
      Specialized dictionaries
      Biographical encyclopedias or dictionaries
    • Examples of Online Reference Sources through the Databases
      CRC Handbook of Chemistry and Physics
      Credo Reference (over 400 general and subject-specific reference books)
      Oxford Reference Online (Full text for over 100 dictionary & reference works published by Oxford University Press. Bilingual dictionaries, thesauruses, maps, illustrations, & timelines)
    • From: A Dictionary of Earth Science
      plate tectonics   The unifying concept that has drawn continental drift, sea-floor spreading, seismic activity, crustal structures, and volcanic activity (see volcanicity) into a coherent model of how the outer part of the Earth evolves. The theory proposes a model of the Earth's upper layers in which the colder, brittle, surface rocks form a shell (the lithosphere) overlying a much less rigid asthenosphere. The shell comprises several discrete, rigid units (tectonic plates) each of which has a separate motion relative to the other plates. The plate margins are most readily defined by present-day seismicity, which is a consequence of the differential motions of the individual plates. The model is a combination of continental drift and sea-floor spreading. New lithospheric plates are constantly forming and separating, and so being enlarged, at constructive margins (ridges), while the global circumference is conserved by the subduction and recycling of material into the mantle at destructive margins (trenches). This recycling results in andesitic volcanism and the creation of new continental crust, which has a lower density than the oceanic crust and is more difficult to subduct. Many features of the Earth's history are explicable within this model which has served as a unifying hypothesis for most of the Earth sciences. Previous mountain systems are now recognized as the sites of earlier subduction, often ending with continental crustal collision: the movement of plates has been used with varying success in interpreting orogenic belts as far back as the early Proterozoic. Plate motions are driven by mantle convection and are likely to have occurred throughout Earth history, although the resultant surface features are likely to have changed with time. See ridge-push; and slab-pull.
      How to cite this entry:"plate tectonics"  A Dictionary of Earth Sciences. Ed. Michael Allaby. Oxford University Press, 2008. Oxford Reference Online. Oxford University Press.  Texas State University - San Marcos.  16 July 2010  <http://www.oxfordreference.com/views/ENTRY.html?subview=Main&entry=t13.e6478>
    • Brainstorm for “keywords” and Subject Headings based on Background Info.
      geology
      faults
      Continental drift
      earthquakes
      Seafloor spreading
      Plate tectonics
      geodynamics
      volcanos
      Subduction zones
    • Find Articles
      Newspapers
      Magazines
      Scholarly journals
      Newsletters
      Newspaper Websites
    • Sources for articles: Library Databases
      Academic Search Complete
      Alt-Press Watch
      Reader’s Guide Full Text
      Research Library
      Other subject specific databases
    • Sources for other media
      AP Photo Archive
      World Images
      Lexis/Nexis – broadcast news transcripts
      Google Image & Video search
    • Alkek Library Database Page
    • Types of Journals or Magazines
      Scholarly/Peer-Reviewed/Academic/Refereed
      Professional Journals or magazines
      Commentary or “Opinion” magazines
      Not scholarly technically, but reliable
      Popular
    • Reliable, but not scholarly
      May have references, but not always. However, articles may cite scholarly research within the text.