《The world of science》PPT课件(第2课时)

外研版高中英语必修三《The world of science》PPT课件(第2课时)，共14页。 Goals 1. Understand the main idea of the passage and get some detailed information. 2. Get the features of argumentation and find out the structure of the passage. 3. Have the ability of writing a report of the experiment according to the instructions for the experiment given. Fast-reading 1. what Franklin’s experiment aimed to prove. Franklin's experiment aimed to prove that lightning was a form of electricity. 2. What does the new study say about the story of Franklin’s experiment? His experiment aimed to test if lightning was really produced by electricity or something else. 3. Why does the author mention the story about the apple falling on Newton’s head in the text? New research suggests that the story may be fiction instead of fact. Work in groups. Give a talk about their understanding of the saying “Seeing is believing.”The students complete the exercise step by step under the guidance of Activity 4. a)Your understanding: As the old Chinese saying goes, “What you hear may be false, but what you see is true.” We often easily believe in what we see or hear with doubt, but as a matter of fact, it is not always so convincing. b)Supporting details 1. New research suggests that the story of Franklin’s experiment may be fiction instead of fact. 2. Some scientists questions the story about an apple that fell on Newton’s head and led him to come up with his theory of gravity. In fact, there is no proof that the apple hit him on the head. c)From the passage we can learn... Some parts of the stories are true, and some are not, because they don’t follow the common sense. However, the scientists’ spirit of scientific exploration is what mostly matters.Personally, we can not be content with what we see or hear. As the old saying goes, “Practice is the sole criterion for testing truth.” What we see or hear is true or false remains to be seen in the future. Please don’t hesitate to taste what you see or hear. ... ... ... 关键词：The world of science PPT课件免费下载，.PPT格式；