Unit 3 Developing ideas Franklin's expriment-how much is true课文+语言点课件 -2021-2022学年高中英语外研版必修第三册

Unit 3 The World of Science Franklin's Experiment: How Much Is True? 1. Read the short introduction to Benjamin Franklin and share any other information you know about him? Benjamin Franklin(1706-1790)was one of the Founding Fathers of the United States and helped draft the Declaration of Independence. Apart from being a successful statesman, he was also well known as a leading American author, printer and publisher, successful diplomat, creative scientist and inventor. What’s the function of an essay title? An essay title often contains an explicit(明确的) or implicit(含蓄的) question which your essay should focus on answering. For example, the title “Franklin’s Experiment: How Much Is True?” makes it clear what question is being answered within the essay. So if there is a title, we’d better read it first to get to know the main idea of the passage. 1. Read the passage and find out what Franklin’s experiment aimed to prove. It was conducted to prove that lightning was a form of electri