Unit 3 The world of science Developing ideas 课件-2023-2024学年高中英语外研版（2019）必修第三册

The World of Science Developing ideas FRANKLIN'S EXPERIMENT： How Much Is True? After this class, we can: 1. know something about Benjamin Franklin 2. understand the structure of the argumentation,as well as some words and expressions . 3.develop critical thinking ability. Teaching objectives Guess a historical figure He was one of the founding fathers of the US. He helped draft the Declaration of Independence. played a part in the American Revolution Benjamin Franklin Do you know Frinklin's famous kite experiment? Prediction Read the title and predict what the author talks about. What’s the author’s view on the story of the experiment? The story may be fiction instead of fact. How much is true about Franklin's experiment. Find the main idea Para 2: Para 3: Para 4: Para 6: Para 1: Para 5: fiction instead of fact The story of the experiment Public view about this story Scientists’ view about this story Scientists’ question spirit Facts should be proved by experiments and research aim materials procedures conclusion to test if lighting was produced by electricity a kite with a string a mental key 1.tie a string to a kite and attach a metal key to the string. 2.fly the kite during a storm. 3.touch the key with the finger. The lighting is a form of electricity. the kite experiment Read for details（para1-2) Read for details（para3-4) vs public view about Franklin's experiment scientist's view about Franklin's experiment 1.has been amazed by his bravery and scientific approach. 2.inspired us and taught us that scientific experiments are important to establish the truth. 1.neither the story nor the details of the experiment are entirely true. 2.The details about the string and the key are true. doubtful ; but still inspired amazed & inspired Read for details Scientists’ view on the story and such stories Para 5~6 What is true? What is false? Why do scientists think so? Franklin’s experiment took place. The detail about the string and the key is true. Franklin did not touch the key. He would certainly have died from the electric shock if he had touched the key. Why do scientists question accepted ideas? They want to establish the facts. 1. Why the author offer the story of Newton? Answer the questions. To give another example to demonstrate the argument that the stories behind inventions may be not true. Analyse the structure What is the genre (文体) of the passage? Narration: to tell a story, or inform an event. Exposition: to explain sth, or define a term. Argumentation: to express views to persuade sb. Argumentation: to express views to persuade sb. How can we make our argument more persuasive? Tips: Concession (让步) to the opposition Reader awareness Logical coherence（逻辑连贯） Introduction/Argument Conclusion/Restatement of the argument Supporting para. Facts/Statistics Reasons/ Incidents Examples/ Details Fried 1. Do you think it matters that Franklin's experiment might not be true? Why? No. Although it might not be true, we are still inspired by his spirit of scientific exploration. Yes. In science, facts should be more important than fiction. Serious science 2. What qualities do you think a great scientist should have? Creative Interested Enthusiastic Novel Critical Extensive Franklin's experiment: How much is true? what people's attitude procedures aim conclusion materials amazed & inspired doubtful; but still inspired Critical thinking summary 1.What do you know about Franklin? 2.Can you describe Franklin's kite experiment? 3.How did people's attitudes towards Franklin's experiment change? 4. What's your opinion on facts and fiction? check your understanding 1. retell the text to your deskmate. 2.Find the story of Newton's discovery and write an argumentation to question it. Newton's discovery of gravity: How much is true? Homework Google $$