Unit16Unit16Scientists at workScientists at workCan you name some important discoveries and inventions ? Ancient Greece static electricity1745 Leyden jar 1880 Electrical bulb (Edison)1923 Television1943 Computer1989 World-wide web1993 Human embryos cloned1997 Dolly, the sheep, the first cloned animalA list of some important Discoveries & InventionsStatic electricityLeyden jar ( 莱顿瓶 ) EdisonCan you say something about Benjamin Franklin Benjamin Franklin 1706-1790Do you know?He was an American statesman （政治家） : He was a president of the USA. He helped to write the Declaration of Independence. He was born on January 17, in Boston and was the tenth child and youngest son of the family.He was a scientist and inventor: He invented the lightning rod.He was a writer: He wrote his own Autobiography( 自传 ) He was a philosopher （哲学家） : He thought successful people work harder than the other people.His famous saying: Eat to live, and not live to eat. 哲学家 政治家Task 1Read the text quickly and try to get the main idea of each paragraph.Franklin’s famous kite experimentPara 1Para 2Para 3 Para 4Para 5 Para 6IntroductionProcess of the experimentThe tips of doing the experimentPara 1Para 2Para 3 Para 4Para 5 Para 6Why did Franklin do the experimentWhy did Franklin succeed in doing the experiment?How to make a special kite for the experiment?What should be done to get ready for the experiment?How to do the experiment with a kite, a key and a condenser?IntroductionLook at the textbook and listen to the tape carefully, then try to complete the following chart.Task 2NameTimeAttendeePurposeThings neededA record of the experimentKite ExperimentFranklin and his sonLightning and electricity are the same.a kite, a...
