Natural Disasters Interactive Powerpoint
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An Interactive Powerpoint On Natural Disasters in my Computers in Education at GVSU

An Interactive Powerpoint On Natural Disasters in my Computers in Education at GVSU

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Natural Disasters Interactive Powerpoint Presentation Transcript

  • 1. Natural Disasters By Ben Darin
  • 2. Disaster Database
    • Avalanche
    • Earthquakes
    • Hurricanes
    • Landslides
    • Thunderstorms
    • Tornados
    • Tsunami
    • Volcanoes
    Quit
    • Resources
    • Concept Map
    • About the Author
  • 3. Avalanches
    • Avalanches Happen on every continent
    • Avalanche Season is during the “winter time” or December-April in the United States
    • A large scale can release up to 300,000 cubic yards of snow
    • Avalanches are more commonly released by recreationists than by natural causes
    • The biggest factor of avalanche possibility is the accumulation snow over the winter season
      • More snow = bigger avalanche
    Click on Image for An Avalanche Video Quit
  • 4. Earthquakes
    • Earthquakes are caused by the release of built up pressure caused by the shifting of tectonic plates
    • Earthquakes usually occur on fault lines, or areas where tectonic plates meet
    • The size of an earthquake is measured using the logarithmic based Richter scale
    An aerial view of the San Andreas fault in the Carrizo Plain, Central California Quit
  • 5. Hurricanes
    • A hurricane is a tropical storm with winds over 74mph
    • Hurricanes occupy the most intense level of the three levels of tropical storms
    • Hurricanes rotate or circulate counter-clockwise in the northern hemisphere
    • Hurricanes can only occur over the Atlantic ocean, Caribbean sea, and gulf of Mexico
    View of a Hurricane from Space Quit
  • 6. Landslides
    • Landslides are the movement of land down a slope by gravity
    • Landslides are mother nature’s way of redistributing land
    • They can be triggered by rain, floods, and earthquakes as well as man-made factors such as slope grading or mining
    • Landslides have the potential to happen anywhere a steep slope is present
    Quit
  • 7. Thunder Storms
    • Every Thunderstorm produces lightning
    • There is wet thunder and dry thunder, the difference being whether or not rain in produced
    • Warm humid conditions favor thunderstorms
    • Only 10% of thunderstorms are classified as severe
    • Your chance of being struck by lightning is 1 in 600,000
    Multiple Lightning Strikes and a Supercell Thunderstorm formation Quit
  • 8. Tornados
    • A tornado is defined as a violently rotating column of air extending from a thunderstorm to the ground
    • Tornados are found in almost every part of the world
    • Tornados are most common in the United States, just east of the Rocky Mountains in an area called Tornado Ally
    • Waterspouts are weak tornados over water and can move inland and become tornados
    Click on Image to View a Tornado Chaser’s Video Quit
  • 9. Tsunamis
    • On the seafloor, volcanic eruptions, earthquakes, and even landslides can lead to tsunamis
    • Tsunamis can travel over 300mph
    • Tsunamis can have an amplitude of up to 32ft
    • Hawaii is the most vulnerable place in the world for tsunamis
    Click On Image To view Some Tsunami Footage Quit
  • 10. Volcanoes
    • Volcanoes are lava filled mountains that erupt when the pressure becomes to great for them to hold it inside
    • The contents that a volcano spews forth is called magma when it’s below the surface and lava once it reaches the surface
    • Only a fraction of the world’s volcanoes are actually on land, the rest are on the ocean floor
    • Indonesia has the most volcanoes of all the countries in the world
    Quit
  • 11. Quit
  • 12. Resources
    • INFO
    • http://nsidc.org/snow/avalanche/
    • http ://pubs.usgs.gov/gip/earthq1/
    • http://www.nhc.noaa.gov/HAW2/english/basics.shtml
    • http://www.fema.gov/hazard/thunderstorm/index.shtm
    • http:// www.nssl.noaa.gov/edu/safety/tornadoguide.html
    • http://www.honolulu.gov/ocda/tsunami.htm
    • http://www.honolulu.gov/ocda/tsunami.htm
    • http://www2.scholastic.com/browse/article.jsp?id=4886
    • http://www.ussartf.org/landslides.htm
    • IMAGES
    • http://bp2.blogger.com/_ 6Y-NXZmDcxU/R00BlI_HOCI/AAAAAAAAAbk/BQb-y1gOOag/s1600-h/tornado_lightning.jpg
    • http:// environmentdebate.files.wordpress.com/2007/04/extreme-weather.jpg
    • http://theconservativemanifesto.blogtownhall.com/2008/01
    • http://www.floridalightning.com/files/Supercell_Thunderstorm.jpg
    • http://www.thelmagazine.com/lmag_blog/files/Images/lightning.jpg
    • http://rumela.com/travel/paricutin_volcano_index.htm
    • http:// current.com/items/88903589_colombian_volcano_erupts_thousands_flee
    • http://blog.lib.umn.edu/salwa002/architecture/
    • http://www.destination360.com/central-america/costa-rica/arenal-volcano.php
    • http://kshitija.wordpress.com/2006/06/08/landslides-prevention/
    • VIDEO
    • http://www.youtube.com/watch?v=B0RWLxOFGLY
    • http://www.youtube.com/watch?v=kEUXr6FMtWk
    • http://livesaildie.com/2007/04/
    Quit
  • 13. Quit Concept Map
  • 14. About the Author
    • Ben Darin 19 yrs old and is currently in his second year at Grand Valley State University
    • He is studying Elementary Education with an emphisis in Integrated Science and hope to eventually be able to teach 3 rd grade some day
    • Ben has one younger brother, Eric who is currently a senior at Comstock Park High School
    • If you have any questions, comments or concerns please feel free to contact him at [email_address]
    Quit
  • 15. Click On the Image For Video of Avalanches Return to Avalanches