Unit 3 The world of Science Developing ideas 课件-2022-2023学年高中英语外研版（2019）必修第三册

Fanklin’s experiment: How much is ture? Who is he ? Benjamin Franklin Benjamin Franklin (1706–1790) was one of the Founding Fathers of the United States（美国开国元勋） and helped draft the Declaration of Independence(独立宣言） and the US Construction.（美国宪法） 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. 2 Who is he ? Benjamin Franklin status（职位/地位） deeds occupation/jods He was one of the Founding Fathers of the United States . He helped draft the Declaration of Independence(独立宣言） and the US Constitution（美国宪法） He was a successful statesman, a leading American author, printer and publisher, successful diplomat, creative scientist and inventor. 3 Fanklin’s experiment: How much is ture? Why did the author use the title ? A. To ask readers a question B. To focus on answering the question C. To make it easy to understand D. To share us an experiment The story may be fiction instead of fact. Read para 1. and find the author’s comments /view on the story of the experiment . Aim Materials Procedures conclusion Read para. 2 and complete the mind map Experiment Report To find out whether lightning is a form of electricity/To know if lightning was really produced by electricity or something else. a kite, a string, a key Lighting is a form of electricity . 1. Franklin raised the kite. 2. a metal key was attached to the string. 3.A flash of lightning hit the kite. 4. Electricity was conducted through the string. 5. Franklin touched the key 6. Franklin got an electric shock. para. 3 The story’s influence on schoolchildren popularity the reasons/why Schools have taught the story of Franklin’s lightning experiment for many years. Schoolchildren have been amazed by his bravery and his scientific approach to looking for the truth . para.4 Scientists’ view on the story What is true? What is false? Why do scientists think so? Fra