Unit 3 developing ideas阅读（ppt课件）(共27张PPT)-2022新外研版（2019）《高中英语》必修第三册.ppt

1、attachment n.附件；依恋；连接物declare v.science-scientistentire adj.prove v.take.into account 对考虑conduct electricity 导电导电Unit 3 The world of scienceDeveloping ideaslearning aims1.Understand the main idea of the passage and get some detailed information.2.Get the features of argumentation and find out the st

2、ructure of the passage.3.To develop our critical thinking and have clear judgements.Activity 1 Before reading Learn about Benjamin FramklinOne of the Founding Fathers of the USauthorscientistprinterinventorpublisherdiplomat出版商出版商/dplmt/n.外交官外交官Background informationBenjamin Franklin(17061790)was one

3、 of the Founding Fathers of the United States and helped draft the Declaration of Independence.Apart from being a successful statesman,he was also well known as a leading American author,printer and publisher,successful diplomat,creative scientist and inventor.Franklins Experiment:How much is true?1

4、.What is the function of the Question mark?The author is not sure about the answer.2.What is the type of the passage?narration/argumentation/exposition/advertisement3.Look through Learning to Learn part and predict what the essay focus on.How much is true about Franklins experiment.a discussing poin

5、t，evidence，clear logicbefore-reading/ekspzn/ReadingActivity-2 While-reading Read the passage and find out what Franklins experiment aimed to prove.Reading1.Read the passage quickly and get the main idea of each paragraph.para1 The story may be fiction instead of fact.para2 How the experiment is carr

6、ied out.para3 For many years,schools have taught the story.para4 Neither the story nor the details of the experiment are entirely true.global-readingpay attention to the first and the last sentence.para5 Scientists often question ideas because they want to establish the facts.para6 We should not alw

7、ays believe everything we read or hear-even if it is a great story.IntroductionThe effectAre the story of Franklins and Newtons true?2.Number the statements to show how peoples attitudes towards Franklins experiment have changed.Franklins spirit of scientific exploration is still considered an inspi

8、ration.People are amazed at and inspired by Franklins experiment.Scientists question what really happened in Franklins experiment.312careful-reading3.What is the effect of the experiment?A.It has introduced generations of children to science.B.It proved that lightning is a form of electricity.C.It i

9、s important to establish the truth.D.All of above.careful-reading4.Why do scientists question accepted ideas?A.To find what took place.B.To prove what is true.C.To establish the facts.D.To inspire people to do scientific exploration.5.What does the author think have more inspired people?A.The story

10、of Scientists experiments.B.The result of Scientists experiments.C.The scientists spirit of scientific exploration.D.The fact of scientific exploration.Read the passage again and finish the context.New research suggests that the story(1)_Franklins famous experiment with lightning may be fiction inst

11、ead of fact.More than one generation of school children has been amazed by his bravery and his(2)_(science)approach to(3)_(look)for the truth.However,neither the story nor the details of the experiment are entirely true.Although it has been proved that Franklins experiment(4)_(take)place,more than o

12、ne scientist has questioned what really happened.(5)_ detail about the string and the key is true.But(6)_(science)all agree that if he had(7)_(actual)touched the key,he would certainly have died from the electric shock.Fiction is(8)_(interesting)than the truth.People have been more inspired by Frank

13、lins spirit of scientific(9)_(explore)than by the facts themselves.But in science,facts should be proved(10)_ experiments and research.thatscientificlookingtookThescientistsactuallymore interestingexplorationbywhats your understanding of the sentence We should not always believe everything we read o

14、r hear?Seeing is believing.post-readingFrom the passage we can learn.Some parts of the stories are true,and someare not,because they dont follow the common sense.However,the scientists spirit of scientificexploration is what mostly matters.Useful expressions -Explore the passage -Explore the passage

15、1.n.小说小说;虚构虚构;杜撰杜撰2.一道闪电一道闪电3.一根绳子一根绳子;一根线一根线4.一把一把金属金属钥匙钥匙5.贴（系，粘）在贴（系，粘）在.6.遭到电击遭到电击7.做某事的科学方法做某事的科学方法8.既不既不.也不也不.9.想出想出 10.不止一种记述（描述）不止一种记述（描述）11.即使即使1.fiction2.a flash of lightning 3.a piece of string4.a metal key5.be attached to6.get an electric shook 7.scientific approach e up with10.more than

16、 one account11.even if 12.有助于，为贡献 13.死于 14.想出；提出 15.打在某人头上contribute towardsdie fromcome up withhit sb.on the head 3部分否定 But in science,facts should be proved by experiments and research,and we should _(并不总是)believe everything we read or heareven if it is a great story.not always string tied to itwi

17、th a piece ofproof that it hit him on the headthere is nonot always背诵句子：背诵句子：1.他用一根系在风筝上的线绳把风筝升起来。他用一根系在风筝上的线绳把风筝升起来。2.不止一代的小学生对他的勇敢和寻找真理的科学方法不止一代的小学生对他的勇敢和寻找真理的科学方法感到惊奇。感到惊奇。3.然而，这个故事和实验的细节都不是完全真实的。然而，这个故事和实验的细节都不是完全真实的。4.尽管尽管Franklin的实验的发生已经被证实，但不止一位的实验的发生已经被证实，但不止一位科学家质疑真实发生的事情。科学家质疑真实发生的事情。5.但科学

18、家们一致认为，如果但科学家们一致认为，如果Franklin真的碰了钥匙，真的碰了钥匙，他肯定已死于电击。他肯定已死于电击。6.事实上，不止一种说法表明，虽然事实上，不止一种说法表明，虽然Newton的灵感确实的灵感确实来自一个掉落的苹果，但没有证据表明它集中了他的头来自一个掉落的苹果，但没有证据表明它集中了他的头部。部。THANKS!Frankins Experiment:How Much Is True?Activity 2 Read the passage and answer the questions.1.What did Franklins experiment aim to pro

19、ve?2.What does the new study say about the story of Franklins experiment?3.Why does the author offer the story about the apple falling Newtons head in the text?Check the answers 1.His experiment aimed to test if lightning was really produced by electricity or something else.2.New research suggests t

20、hat the story may be fiction instead of fact.3.He gives another example to demonstrate the argument of the passage that the stories behind inventions may not be true.attach v.系，绑；贴教材原句 A metal key was attached to the string.一把金属钥匙系在绳子上。要点必记 attach sb/sth to sth 把.系.上;把.贴在.上 be attached to.被系或者贴.atta

21、ch importance to.认为.重要;重视.1.We should attach importance _se of the verbs when we learn a foreign language.2.The picture _ (attach)to the wall cost about 100$three years ago.3.The written directions _ (attach)the tools so that users know how to use them.are attached toattached toconduct v.传导(热、电)教材原句

22、 And electricity was conducted through the string to the key.并且电通过细绳传导到钥匙上。要点必记 conduct v.引导；指挥；管理 （该词义项较多）conductor n.售票员；导体；指挥员 conduct n.行为；举动；品行 under the conduct of 在指导下 conduct electricity 导电 conduct activities/experiment 开展活动/进行试验 conduct a band 指挥乐队1.The bus _(conduct)collected money from th

23、e passengers.2.The kind of metal is a good _(conduct)of heat.3.Last month,a new weapon test _ (conduct)successfully.4.A chemical experiment _ (conduct)in the classrroom greatly interested all the pupils.5._ the conduct of his teacher,the naughty boy is not what he used to.conductor conductorwas cond

24、ucted conductedUnder 练一练词汇 account n.记述，描述教材原句 More than one account suggests that while Newton was certainly inspired by a falling apple,there is no proof that it hit him on the head.不止一种说法表明，虽然牛顿肯定是受到了一个掉落的苹果的启发，但没有证据表明它击中了他的头部。要点必记 account n.账户,帐目;记述，描述 account v.解释；导致；报账 on account of 由于,因为 acco

25、unt for 对负有责任；说明的原因；导致；give an account进行说明，描述，做报道 take.into account 对考虑1.Id like to open _ account in Agricultural Bank of China.2.He explained he made a mistake _ account of his illness.3.He has been asked to account _ his wrong conduct.4.Anne gave us a detailed account _ her future three-year plan.5.There are a number of practical problems that must _ _(take)into account.anonforofbe taken 练一练