Friday, April 3, 2015

Erin

πŸŒπŸŒ±πŸ‚       Earthquakes by Erin

1.Tectonic plates (from the Greek word for " one who constructs")
                             2.      The red sea formed where the African and the Arabian plates pulled apart.
                                  The rift is getting larger and soon the red sea will  become a ocean!
               
                       3.Their are three different boundaries  Transfrom boundaries,  divergent boundaries and Convergent boundaries.            

  FAULTS. 1.There are three kinds of faults:Strike-slip,Normal and,Thrust (reverse.)
 
              2.Normal faults are formed by tensional forceses.
 
       3.S.A.F (San Andreas fault) is a place where two tectonic plates touch the North Amarica andPacific plates .
         
     How are earthquakes  measured?
                                                        1.The Richter scale then pops in are mind when we ask that  question but their is a another.. The Mercalli scale also  measures earthquakes but isn't considered as scientific as the Richter scale though mainly is it was guessing  base how much damaged happened to their homes so  it is not scientific.
 
Volcanoes
                  1.

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