Unit3 The world of science Developing ideas课件-2022-2023学年高一英语外研版（2019）必修第三册

B3U3 The world of sciencePeriod 5 Developing ideas1. To get to know something about Benjamin Franklin and his famous kite experiment.2. To learn something about an essay title.3. To learn how to give an statement and how to support it.4. To learn some words and expressions.Teaching objectivesWho is he?Pre-readingBenjamin FranklinRead the short introduction to Benjamin Franklin and share any other information you know about him.Read the short introduction to Benjamin Franklin and share any other information you know about him.More about Benjamin Franklin Pre-readingWhat can you infer from the essay title? The essay title is explicit [ɪkˈsplɪsɪt], making it clear that the story about Franklin's experiment may be fictional.Read for general ideasRead the passage and find out 1. the author’s view on the story of the experiment. The story may be fiction instead of fact.2. the genre of the passage. It is an argumentative essay.Question: how does the author support his view?P42-2Franklin’s experiment aimed to prove if lightning was really produced by electricity or something else. While-readingRead the para 1-2 and find out what Franklin’s experiment aimed to prove.AimMaterialsProcedureResultConclusionTo find out __________________________________a kite, a string, a metal key1. ___ a string __ a kite and ______ a metal key __ the string;2. ___ the kite during ________;3. _____ the key with _________.A flash of lightning hits the kite and electricity is conducted through the string to the key. He gets an electric shock.The lightning is a form of electricity.whether lightning is a form of electricityTietoattachtoFlya stormTouchthe fingerWhile-readingRead the para 2 and fill in the experiment.Schools have taught the story of Franklin’s lightning experiment for many years.Schoolchildren have been amazed at and inspired by the story and they have realised the importance of scientific experiment through the experiment.While-readingRead the para 3 and fill in the experiment.Franklin’s experiment did take 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.They want to establish the facts.While-readingRead the para 4-5 and fill in the experiment.Why does the author mention the story about the apple falling on Newton’s head in the text?The author gives another example to demonstrate the argument of the passage that stories behind inventions may not be true.While-readingRead the para 6 and answer the following question:( ) 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.312While-readingRead the para 3-6 and Number the statements to show how people’s attitudes towards Franklin’s experiment have changed.(P44-3)The title contains a question being answered in the essay.IntroductionWhat is the experiment?People's attitudes have changed over years.ConclusionMore about Ben Franklin and his Kite Post-reading： Think share(P13)Post-reading： Think share(P13)As a great scientist, he or she should have more than one good quality, such as being smart, objective, persistent, curious, hard-working, energetic, confident, brave, imaginative, devoted and so on.Post-reading： Think share(P13)Firstly, scientific discoveries promote the development of our society. Secondly, the contributions of scientists in medicine extend our life span. Thirdly, scientists have invented a lot of surprising tools that fundamentally improve our living standards.Post-reading： Group work. (P45-4)Explain your understanding of the saying “Seeing is believing”, and then give a talk about it. You may use information in the passage as examples.Post-reading： Group work. (P45-4)1. Make notes about your understanding of the saying and list supporting details.Post-reading： Group work. (P45-4)1. Make notes about your understanding of the saying and list supporting details.2. Organise your talk following the steps below. · Start your talk by explaining how you understand this saying. · Explain why you think this way. Use the notes you have made to support your ideas. · End your talk by summarising your points.3. Give your talk to the class.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 without doubt, but as a matter of fact, it is not always so convincing.1. New research suggests that the story of Franklin's experiment may be fictionion.2. Some scientists question the story about the apple that fell on Newton's head.Reference TextPersonally, we can not be content with what we see or hear. As the old saying goes, “Practice is the sole criterion for testing truth.”Important lexical chunksapproach to be amazed by tie a piece of string to the kite a form of electricity look for the truth scientific discoveries and inventions question accepted ideas die from the electric shock come up with the theory of gravity a spirit of scientific exploration……的方法对……感到吃惊把一根绳子系在风筝上 电的一种形式 寻求真理 科学发现和发明 质疑已接受的观点 死于电击 提出他的万有引力定律 科学探索Important sentences1.He raised the kite with a piece of string tied to it.2. More than one generation of schoolchildren has been amazed by his bravery and his scientific approach to looking for the truth.3. Franklin, along with many other scientists, has inspired us ...Important sentences4. But scientists all agree that if Franklin had actually touched the sky, he would certainly have died from the electric shock.5. Admittedly, fiction is often more interesting than the truth.adv.诚然，确实adv.修饰句子Write an essay on the importance of honesty following the steps below.Explain what honesty is.Give reasons for the importance of being honest. Support your reasons with examples.End with your conclusion.Homework: