外研版(2019)必修三 Unit 3 The world of science—Developing ideas.docx
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1、Unit 3 The world of scienceDeveloping ideas【教材分析】In this section, the reading passage is an essay, in which the author questions the authenticity of Franklins famous experiment with lightening. The first half part of the essay introduces the principle of the experiment and the educational significan
2、ce of the story about the lightning experiment. The second half part argues that the story cannot be trusted from scientists point of view.In writing section, students will learn how to write an experiment report with writing help. The sample of an experiment report can help students learn about how
3、 to organize a similar passage.【教学目标】1. Guide students to understand the text and think about how true the story behind an invention may be.2. Lead students to understand writing features and argumentation style of essays and help them form their own opinions and develop critical thinking.3. Guide s
4、tudents to complete reading and writing activities so as to grasp the method of writing an experiment report.【教学重难点】1. Guide students to develop their reading comprehension of the essay and focus on how to develop the essay.2. Lead students to think about how to express their arguments by listing su
5、pporting details.3. Guide students to write an experiment report according to given instructions.【教学过程】Step 1 Before reading1. Have students read the brief introduction of Benjamin Franklin and learn about him.2. Have students add more information about Benjamin Franklin to share with the class.Step
6、 2 While reading1. Have the students read the passage quickly and answer the questions.1) What did Franklins experiment aim to prove?2) What does the new study say about the story of Franklins experiment?3) Why does the author mention the story about the apple falling on Newtons head in the text?2.
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