Unit 3 The world of Science Developing ideas Reading （ppt课件）-2023新外研版（2019）《高中英语》必修第三册.pptx

1、1.To know something about Benjamin Franklin and his famous kite experiment.2.To learn something about an essay title.3.To learn some words and expressions.Who is he?Benjamin FranklinWhat made him famous?Founding Fathers of the US Declaration of Independence leading author,printer,publisher,diplomat,

2、scientist and inventor.1.Read the short introduction to Benjamin Franklin and share any other information you know about him?Benjamin Franklin(1706-1790)was one of the Founding Fathers of the United States and helped draft the Declaration of Independence.Apart from being a successful statesman,he wa

3、s also well known as a leading American author,printer and publisher,successful diplomat,creative scientist and inventor.A small cross of two pieces of light wood.Tie the corners of a handkerchief to the points of the cross.Add a tail to the frame.Tie a long string to the cross.Fix a sharp piece of

4、metal to the top of the longer stick of the cross.Fasten a key to the end of the long string.Tie a silk ribbon to the string.Connect a condenser to the end of the string.How to make a kite and do the experimentstringTitle:Franklins Experiment:How Much Is True?What can you infer from the essay title?

5、The essay title is explicit,making it clear that the story about Franklins experiment may be fictional.标题（标题（title）是文章的眼睛。好的标题短小精悍，简洁凝练，是文）是文章的眼睛。好的标题短小精悍，简洁凝练，是文章内容和思想的高度概括。我们可以通过研读标题，对文章章内容和思想的高度概括。我们可以通过研读标题，对文章体裁体裁、内容内容、作者态度和观点作者态度和观点等作出预测。我们以课文等作出预测。我们以课文FRANKLINS EXPERIMENT:How Much Is True?为例

6、，看如何利用标题帮助我为例，看如何利用标题帮助我们有效阅读。们有效阅读。1.预测文章体裁预测文章体裁该标题分为两部分：该标题分为两部分：“FRANKLINS EXPERIMENT:”说明了本说明了本文要论述的对象是富兰克林的实验，而文要论述的对象是富兰克林的实验，而“How Much Is True?”说说明本文会阐述该实验的可信度。因此，明本文会阐述该实验的可信度。因此，我们可以预测本文是论说我们可以预测本文是论说类文体，其中心论点是类文体，其中心论点是“验证富兰克林的实验是否真实验证富兰克林的实验是否真实”。利用文章标题预测文本信息利用文章标题预测文本信息2.预测主要预测主要内容内容从关键

7、词从关键词“FRANKLINS EXPERIMENT,True”以及疑问形以及疑问形式，我们可以联系自己对富兰克林实验的了解，预测文章式，我们可以联系自己对富兰克林实验的了解，预测文章主主要对其真实性质疑，并围绕这一中心论点对其进行论证要对其真实性质疑，并围绕这一中心论点对其进行论证。3.预测作者的态度和预测作者的态度和观点观点从标题中的问号，我们可以从标题中的问号，我们可以预测作者对此实验的真实性持否预测作者对此实验的真实性持否定态度定态度，并将对自己的怀疑进行论证说明，并将对自己的怀疑进行论证说明。An essay title often contains an explicit(清楚明确

8、的清楚明确的)or implicit(含蓄的含蓄的)question which your essay should focus on answering.For example,the title“Franklins Experiment:How Much Is True?”makes it clear what question is being answered within the essay.So if there is a title,wed better read it first to get to know the main idea of the passage.Read

9、the passage and find out what Franklins experiment aimed to prove.Franklins experiment aimed to prove that lightning was a form of electricity.Read the passage and fill in the experiment report.Experiment The kite lightning experimentAim MaterialProcedure Conclusion Lightning was a form of electrici

10、ty.A kite with a string and a metal keyFirst,Franklin flew a kite with a string and a metal key.Then,when a flash of lightning hit the kite,electricity was conducted through the string to the key.Finally,touching the key,Franklin got an electric shock.To test if lightning was really produced by elec

11、tricity.Number the statements to show how peoples attitudes towards Franklins experiment have changed.Franklins spirit of scientific exploration is still considered an inspiration.People are amazed at and inspired by Franklins experiment.Scientists question what really happened in Franklins experime

12、nt.132Look through the passage and answer the questions.1.Whats the meaning of“if Franklin had actually touched the key,he would certainly have died from the electric shock.”2.Thus how much is true in this experiment?He didnt touch the key.Flying the kite and the kite was hit by a lightning may have

13、 happened,but Franklin didnt touch the key.1)Do you think it matters that Franklins experiment might not be true?Why?eg No.Because what really matters lies in his bravery to do the experiment.2)What is your opinion about the statement we should not always believe everything we read or hear-even if i

14、t is a great story?eg Sometimes a really great story may not be true,and we need to have critical thinking.3)What qualities do you think a great scientist should have?eg I think a great scientist should be patient,serious,brave,careful,creative and imaginative4)In what ways do scientists contribute

15、to society?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.Explain your understanding of the sayi

16、ng“Seeing is believing”,and then give a talk about it.You may use information in the passage as examples.Your understandingSupporting detailsWe shouldnt believe what we dont see.The 4th paragraph of the passage.1.Make notes about your understanding of the saying and list supporting details.2.Organis

17、e 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.1.Try to find more information about Franklins Kite experiment on the Internet.2.Choose another world famous scientist and figure out what he/she is famous for.Write down your results and the reason(s)why you choose him/her.