Unit 3 The world of Science Developing ideas 课件-2023-2024学年高一下学期英语外研版（2019）必修第三册

Developing ideas Unit3 The world of science FRANKLIN'S EXPERIMENT： How Much Is True? Learning Objectives 1.To know some knowledge about Benjamin Franklin. 2.To find out the main idea of the passage. 3.To read carefully for some detailed information. 4.To learn some key words and expressions. Who is he ? Benjamin Franklin Pre-reading What is it ? Lightning. 1.Read the short introduction to Benjamin Franklin and share any other information you know about him. Learning to learn An essay title often contains an explicit or implicit 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. 一篇文章的标题通常包含一个明确的或 隐含的问题，文章应该专注于回答。例如,题为“富兰克林的实验:多少是 真的?就能清楚地知道问题是什么 在文章中回答。 2.Read the passage and find out what Franklin's experiment aimed to prove. While-reading 运用跳读法跳过一些无关紧要的部分，直取文章的关键性内容 1.跳跃式阅读，只关注最有价值的内容。例如： “...the story may be fiction，neither the story nor the details of the experiment are entirely true.” “The detail about the string and the key is true.” 2.重点对文章的开头、结尾、文中段落的首句和尾句进行跳读。 通过以上两种方法提高阅读速度，抓住关键，把握文章要旨，得出问题结论。 Skimming Match each paragraph with its main idea. Careful­reading Read the passage carefully and choose the best answer. 1．What is the text mainly about? A．The story of Franklin's experiment is true or not. B．The aim of Franklin's experiment. C．The procedure of Franklin's experiment. D．The effect of Franklin's experiment. 2．What does the author think has more inspired people? A．The story of scientists' experiments. B．The result of scientists' experiments. C．The scientists' spirit of scientific exploration. D．The fact of scientific exploration. 3．What is the effect of the experiment? A．It has introduced generations of children to science. B．It proved that lightning is a form of electricity. C．It is important to establish the truth. D．All of above. 4．Why do scientists question accepted ideas? A．To find what took place. B．To prove what is true. C．To establish the facts. D．To inspire people to do scientific exploration. 3.Number the statements to show how people's attitudes towards Franklin's experiment have changed. Franklin's spirit of scientific exploration is still considered an inspiration. People are amazed at and inspired by Franklin's experiment. Scientists question what really happened in Franklin's experiment. 1 2 3 Summarize we have learnt some key words and expressions today. Summary Review key words and phrases learn in this period. Homework $$