* Activity 1.8   :  Forces within our planet.                      ( 9/5/17   Tuesday )

             1.8.a     Students read the whole text in class taking turns and discussing different issues.

                           Review electromagnet reading activity with questions.  5 points ).
                           (Answer the questions about the reading ).

             1.8.b   Short video about forces that act within the shell of our planet.

                         ( Introduction to the lesson for tomorrow and making a connection between
                         electromagnet’s forces and the "electromagnet" that the melt iron earth’s inner core is 
                         and the forces it creates and act over the crust and to the different layers of the 
                         mantle ).

                                                                             VIDEO 1


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