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Tsunamis and Earthquakes

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					Tsunamis and Earthquakes
       What mysteries lie within them?



  By Angela, Chiara, and Matias
    What are Earthquakes?
• Big movements on earth
• Big shakes that can break things
      What are Tsunamis?
• They are a powerful wave or a giant
  wave the tsunami is so strong it can
  destroy New York.




                www.nettrekker.com
      How Earthquakes Cause
            Tsunamis
• An earthquake
  suddenly moves the
  sea floor.
• This jolt moves water.
• This water, caused by a
  sudden movement is a
  giant wave, and is
  larger the stronger the
  quake is.            http://www.pbs.org/wnet/savageearth/tsunami/i...
          Tsunami facts
• There have been 20 tsunami on earth.
• In Japanese the word tsunami means
  harbor wave.
• The tsunami is caused by a earthquake
  or volcano.
• Tsunamis can race across the water at
  the speed a jet goes across the sky.
         Earthquake facts
• We don’t feel earthquakes below 2.0
• Earthquakes below 4.0 usually don’t
  cause damage
• A 6.0 earthquake can be strong
• 7.0 is a dangerous earthquake
• 10.0 is the strongest
         Tsunami Damage
• Tsunamis can cause a lot of damage. They
  get very tall at the shore and land on
  anything.
• People can drown. Houses are smashed to
  bits as if they were toys.
• Trees are ripped out of the ground easily.

• Tsunamis can cause a lot or damage.
  Everything is taken out to sea.
        What Tsunamis Are
• Tsunamis a
  powerful wave or a
  giant wave they can
  destroy things
  depending on how
  tall it is.
• Very tall ones can
  destroy towns.
             http://www.geophys.washington.edu/tsunami/images/tsunamihead.gif
        Earthquake Damage
•   Cause tsunamis
•   Damage buildings
•   Damage houses
•   Kill people
•   Can make holes on
    earths surface

              http://www.exploratorium.edu/faultline/great/images-loma/vid-cruz-house.gif
                Materials

•   Jar
•   Pencil
•   Roll of paper
•   Tape
•   Table
                 Our Lab

•   Moms would shake the table
•   We pulled the paper
•   Depending on the table movement
•   The lines would be different depending
    on the hardness
Questions




 Clip Art
                                 Quiz
•   How are tsunamis caused?
•   Will a 6.0 earthquake be felt?
•   Do earthquakes occur underwater?
•   What does the word tsunami mean in Japanese?
•   Do tsunamis go slowly across the ocean?




            http://www.mpfspromotions.com/forum/index.php?showtopic=47897
             Answer # 1

• They are caused by earthquakes and by
  volcanoes and other movements.
             Answer #2
• Yes they can be felt
                     Answer # 3
• Yes, earthquakes occur under water.




       http://www.mpfspromotions.com/forum/index.php?showtopic=47897
                  Answer # 4
• Harbor wave




       www.nettrekker.com
              Answer #5
• No, they go very fast




              http://www.drgeorgepc.com/tsuJapanPrint1.jpg
More Questions?




      Clip Art
Well, what are you waiting for? Why
 are you reading this? Clap and
 cheer as loudly as you possibly
 can!




 http://www.nlaa.info/phpws/images/pagemaster/applause_1.jpg
   Web pages we used:
• Earthquake.” World Book. 13 Mar. 2007
  <http://www.worldbookonline.com/kids/Article?i
  d=ar830618&st=earthquakes>.
• “http://earthquake.usgs.gov/learning/kids/facts.
  php
• NetTrekker.com
          Books we used:
• Sience Changing the World.” USGS. 15 Mar.
  2007
• Earthquakes By Daniel Roger
• Earthquakes By Keith Lye
• Earthquakes By Neil Morris
• Earthquakes By Victor Gentle
• Tsunamis: Deadly waves of water By Jeff
  Putnam
• Tsunami: Monster Waves By Mary Wade