Unit 3 The world of Science Developing ideas 课件-2024-2025学年高中英语外研版（2019）必修第三册

The world of science Franklin’s Experiment: How Much Is True? B3U3 1 He was one of the Founding Fathers of the USA. He helped draft the Declaration of Independence. He was a printer and publisher, successful diplomat, creative scientist and inventor. He is on the $100 Bill. He flew a kite during a storm to prove electricity of lightning. Benjamin Franklin Lead-in Activity 1: Guess and explore 2 Pre-reading Activity 2: Read and predict Please read the title for me together. What’s the feature of this title? Have you noticed the question mark? So this title is … yes, a question. 3 Do you still remember the passages we have learnt last semester? These titles are all questions. So why 4 隐含的 明显的 1.Text type of the passage: _________ 2.Question to be answered: __________________ Pre-reading Activity 2: Read and predict Read “Learning to learn” and try to predict. (1 min.) essay How much of Franklin’s experiment is true? 5 Fast reading Activity 3: Read for structure Franklin’s Experiment: How Much Is True? Read the whole passage and divide it into 3 parts. (5 mins.) Conclusion Introduction Body Para. ( ) Para. ( ) Para. ( ) Franklin’s ________ People’s _______ towards the story We should not always believe everything we read or hear. Para. ( ) Para. ( ) 1 2-5 6 experiment 2 attitudes 3-5 6 Careful reading Activity 4: Read for details Read para.1 and underline the topic sentence. Reading Skill ① We can read the introduction part to get the main idea. Reading Skill ② We can get the author’s attitude by identifying constructive conjunctions (转折连接词）like however, but, although. How do you know that? Why the story ay be a fiction? Let’s read the following paragraphs to see how the author prove his ideas. 7 Careful reading Activity 4: Read for details Watch a video and find out the details of Franklin’s experiment. What’s the purpose of this experiment? What did Franklin use in his experiment? 8 Materials a kite a string a key Result He got an electric shock. Conclusion Lightning is a form of electricity. 2._____ a metal key to a string 4._____ the key with the finger 3._____ the kite during the rainstorm Attach Raise Touch 1._____ a string to a kite Tie cw Franklin’s experiment had shocked the science field at that time. However, do you think the experiment is scientific? If you were hit by the lightning, will you still be alive? So what makes it not scientific? Let’s see some statistics. What makes this experiment not scientific? Humans can’t touch lightning. Franklin touched the key. Franklin couldn’t have touched the key. ＋ = What the text says What we know An inference ? lightning flash: 300 million Volts household: 120 Volts 10 What are people’s attitudes towards the experiment? Number the statements to show how their attitudes have changed. (2 mins.) ( ) 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. 3 1 2 Careful reading Activity 4: Read for details pw 11 Careful reading Activity 4: Read for details ( 1 ) People are amazed at and inspired by Franklin’s experiment. ( 2 ) Scientists question what really happened in Franklin’s experiment. Iw People were first amazed and inspired by Franklin’s experiment and were taught that scientific experiments are important for improvement. However, scientists later questions the 12 Careful reading Activity 4: Read for details According to the scientists’ statements, what is true/fake in Franklin’s experiment? Iw People were first amazed and inspired by Franklin’s experiment and were taught that scientific experiments are important for improvement. However, scientists later questions the 13 Materials a kite a string a key 2._____ a metal key to a string 4._____ the key with the finger 3._____ the kite during the rainstorm 1._____ a string to a kite Result He got an electric shock. Conclusion Lightning was a form of electricity. How much is true? Tie Attach Raise Touch Not 100% true Para. Do you think it matters that Franklin’s experiment might not be true? Why? Careful reading Activity 5: Think and share Read para.6 and share your ideas with partner. (2 mins.) What qualities should we have ? Post-reading Activity 6: Brainstorm and debate Mini Debate You are at a consultative conference (协商会议) to discuss the topic: Should we continue to teach school children Franklin’s experiment? Work in group of 4-5 Show your standpoints and reasons according to your identity. You can argue with each other. G1 G2 FOR（支持） FOR（支持） Teacher/ Parents Scientist/ Student G3 G4 AGAINST（反对） AGAINST（反对） Teacher/ Parents Scientist/ Student 16 If you want your children to be intelligent, read them fairy tales. If you want them to be more intelligent, read them more fairy tales. ---Albert Einstein Experience is truer guide than the words of others. ---Leonardo Da Vinci 17 null 659.64624 $$