The History of Electricity课件.ppt

English for Electronic Technology ;Key points:  useful terms of electricity Difficult points: use the conceptions of electricity to describe the history of electricity;Requirements:;Leading in-Revision ;New words;Static Electricity;Story of William Gilbert ;Story of Benjamin Franklin ;Text-history of electricity;Sentence patterns ;Story ofAlessandro Volta;John Groat and Joseph Henry ;Samuel Morse;Samuel Morse;Michael Faraday ;Michael Faraday;Thomas Edison ;Transformer;Transformer;Nickala Tesla and polypase AC induction motor;Alexander Grahuam Bell and telephone ;