Unit 3 The world of Science Developing ideas （ppt课件）(2)-2023新外研版（2019）《高中英语》必修第三册.pptx

1、 draft declaration experiment lightning fiction metal attach flash v.起草，草拟起草，草拟n.声明，宣告声明，宣告n.(科学科学)实验实验n.闪电闪电n.虚构的事，想象的事虚构的事，想象的事n.金属金属v.系，绑；贴系，绑；贴n.闪光闪光 conduct scientific entirely gravity account proof procedurev.传导（热、电）传导（热、电）adj.科学（上）的科学（上）的adv.完全地，彻底地完全地，彻底地n.重力，引力重力，引力n.记述，描述记述，描述n.证明，证据证明，证据n

2、.程序，步骤，手续程序，步骤，手续Benjamin Franklin(1706-1790)was one of the Founding Fathers of the United States and helped draft the Declaration of Independence and the US Constitution.Apart from being a successful statesman,he was also well known as a leading American author,printer and publisher,successful dipl

3、omat,creative scientist and inventor.Benjamin Franklin Read the passage and find out what Franklins experiment aimed to prove.Franklins experiment aimed to prove that lightning was a form of electricity.Task1P42 2 Learning to learnAn essay title often contains an explicit or implicit question which

4、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.Para.1Para.2Para.3Para.4Para.5Para.6Read the passage and match the main ideas with the paragraphs.Task 2A.The effect of the experimentB.The

5、 introduction to Franklins famous experimentC.ConclusionD.Doubt about Franklins experiment E.How the experiment is carried outF.Doubt about other accepted ideasExperimentThe kite experimentAimMaterialProcedureConclusionFill in the experiment report.To test if lightning was really produced by electri

6、cityA kite with a string and a metal key1.raised a kite with a piece of string tied to it,and a metal key was attached to the string;2.When a flash of lightning hit the kite,the electricity was conducted through the string to the key;3.touched the key and got an electric shockLightning was a form of

7、 electricity.Task3Franklins 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 experiment.Number the statements to show how peoples attitudes towards Franklins experiment

8、have changed.213Task 4P44 31.Whats the meaning of“if Franklin had actually touched the key,he would certainly have died from the electric shock.”2.How much is true about the story of this experiment?3.What is the purpose of the story of Newton?Actually he didnt touch the metal key in the experiment.

9、This experiment took place indeed.The detail about the string and the key is true.But Franklin didnt touch the key in the experiment.Answer the questions.Task5To show the accepted story is questioned by the scientists.2.What is your opinion about the statement“we should not always believe everything

10、 we read or hear-even if it is a great story”?1.Do you think it matters that Franklins experiment might not be true?Why?Task6P45 2.What is your opinion about the statement“we should not always believe everything we read or hear-even if it is a great story”?1.Do you think it matters that Franklins ex

11、periment might not be true?Why?No.Although it might not be true,we are still inspired by his spirit of scientific exploration.I think the statement is right.From a scientific standpoint,people should stick to the facts and the facts should be proved by experiments and research.A great story is ficti

12、on which is often more interesting than the truth.Yes.In science,facts should be more important than fiction.1.What qualities do you think a great scientist should have?P45 2.In what ways do scientists contribute to society?A great scientist should have more than one good quality,such as being smart

13、,intelligent,honest,objective,persistent,brave,creative,and imaginative.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 improv

14、e our living standards.Franklins experiment:How much is true?whatpeoples attitudeproceduresaimconclusionmaterialsamazed&inspired doubtful;but still inspired Critical thinking Retell the passage with the help of graphic organizer.Benjamin Franklins famous experiment with lightning has introduced gene

15、rations of children to science.However,new research suggests that the story may be fiction instead of fact.To prove if lightning was really produced by electricity or something else,Franklin did an experiment by using a kite with a piece of string 1._(tie)to it.A metal key was attached to the string

16、.A flash of lightning hit the kite,and electricity was conducted through the string to the key.When Franklin touched the key with his finger,he got an electric shock,2._ proved that lightning was a form of electricity.For many years,the story of Franklins lightning experiment 3._(teach)to children t

17、o inspire them to look for the truth through 4._(science)experiments.However,neither the story nor the details of the experiment are 5._(entire)true,because if Franklin had actually touched the key,he would certainly have died 6._ the electric shock.Scientists often question accepted ideas because t

18、hey want 7._(establish)the facts.Some have even questioned the story about the apple that fell on Newtons head and led him to come up with his theory of gravity,because there is no 8._(prove)that the falling apple hit him on 9._ head.In science,facts should be proved by experiments and research,and

19、we should not always believe everything we read or hear-even if it 10._(be)a great story.根据课文内容，在空白处填入根据课文内容，在空白处填入1个适当的单词或括号内单词的正确形式。个适当的单词或括号内单词的正确形式。tiedwhichhas been taughtscientificentirelyfromto establishprooftheis 1.1.放风筝放风筝2.2.电的一种形式电的一种形式 3.3.数代人数代人 4.4.叹服于叹服于 5.5.把把系到系到上上 6.6.与与一起；一起；与与同样地

20、同样地 7.7.一道闪电一道闪电 8.8.死于触电死于触电 9.9.打在某人的头上打在某人的头上 fly a kitea form of electricity more than one generationbe amazed bytie.to.along with a flash of lightning die from the electric shockhit sb.on the head1.Could you turn the TV down a little?Your dad is d_ a report in his study.2.Many e_ will have to b

21、e done before scientists can give a clear answer to this question.3.Our uncle,Robert,gave us a detailed a_ of what he had done in China over dinner.4.Unlike plastics,most of the metals can c_ heat or electricity.5.All the researchers need to be patient,for the entire p_ can take three to five years

22、to complete.根据首字母提示写出单词的正确形式。根据首字母提示写出单词的正确形式。raftingxperimentsccountonductrocedureP45 4Make notes about your understanding of the saying and list supporting details.Work in groups.Explain your understanding of the saying“Seeing is believing”,and then give a talk about it.You may use information in

23、the passage as examples.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.Give your talk to the class.P45 41.What do you know about Franklin?2.Can you describe Franklins kite experiment?3.How did peoples attitudes towards Franklins experiment change?4.Whats your opinion on facts and fiction?