1、Unit 3The World of Science121.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,
2、he was also well known as a leading American author,printer and publisher,successful diplomat,creative scientist and inventor.345Instructions 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.
3、Fix a sharp piece of 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 experiment6string78Whats the function of an essay title?An essay title often co
4、ntains an explicit or implicit 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.
5、9 Read the passage and find out what Franklins experiment aimed to prove.It was conducted to prove that lightning was a form of electricity.10 Number the statements to show how peoples attitudes towards Franklins experiment have changed.Franklins spirit of scientific exploration is still considered
6、an inspiration.People are amazed at and inspired by Franklins experiment.Scientists question what really happened in Franklins experiment.132111)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 i
7、s your opinion about the statement we should not always believe everything we read or hear-even if it is a great story?eg Sometimes a really great story may be not true,and we need to have critical thinking.123)What qualities do you think a great scientist should have?e.g.I think a great scientist s
8、hould be patient,serious,brave,careful,creative and imaginative4)In what ways do scientists contribute to society?They establish truth,make scientific discoveries and inventions,thus pushing our human society forward.13Explain your understanding of the saying“Seeing is believing”,and then give a tal
9、k about it.You may use information in the passage as examples.14Your 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.152.Organize your talk following the steps below.S
10、tart 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 class.161.Apart from being a successful statesman,he was also well known as a apart from 除了之外,表示排除
11、或例外,具有 except,except for的含义。eg We didnt see anyone all day,apart from a couple of kids on the beach.此外,除之外(还),表示包括,具有 besides,in addition to,as well as的含义。eg Apart from John and Mary,ten other students in our class have seen the film.17be known as 作为而出名be known for 因为而出名eg Ivan is best known for his
12、 work on the human brain.be known to 为所熟知 eg David is known to us as a hardworking man.18【即学即练】用适当的介词填空。1)This small town is well known _ its gold mines.2)Frank is known _ everybody _ the most honest boy in our class.toforas192.Benjamin Franklins famous experiment with lightning has introduced exper
13、iment n.实验 vi.做实验eg Our chemistry teacher asked us to do an experiment with metal.do/conduct/perform/carry out an experiment with experiment with 20attach v.系,绑;贴3.A metal key was attached to the string.be attached to 被绑在;附属于attach great importance/significance to 重视注意：to 是介词eg The hospital is attac
14、hed to the famous Medical School.We need to attach great importance to protecting our environment.21【即学即练】翻译下面句子。1)They attach much importance to education.他们认为教育很重要。2)The horse was attached to a tree.那匹马被拴在一棵树上。22approach v.临近,接近 n.接近,临近;方法,途径eg As the final exam approaches,we are busy preparing fo
15、r it.They are trying to find new approach to solving their conflicts.4.More than one generation of school-children has been amazed by his bravery and his scientific approach to looking for the truth.23【即学即练】翻译下面句子。1)As we approached the library,we saw Paul.我们走近图书馆的时候，看到了保罗。2)Our approach drove away
16、the wild animals.我们一走近，野兽全都跑开了。3)Winter is approaching.冬天要来了。4)Some teachers have a more formal approach to teaching.有些教师有更为正规的教学方法。245.scientific experiments are important in order to and to contribute towards later scientific discoveries and inventions.contribution n.贡献make a contribution/contribu
17、tions to 为做贡献 contribute to/towards 为做贡献;有助于;投稿eg Riding bikes contributes to reducing carbon emissions.256.In fact,more than one account suggests that while Newton ,there is no proof that it hit him on the head.account n.记述,描述；账户 on account of 意为“由于”。eg On account of his youth,he was not allowed to
18、 take the senior course.take account of 意为“考虑”。eg I hope my teacher will take account of the fact that I was ill just before the exams when she marks my paper.26account for意为“解释,说明的原因”。account作动词时，常与for连用。【即学即练】选用方框内合适的短语并用其正确形式填空(每个短语限用一次)。account for,on account of,take account of1)Flights were del
19、ayed two hours _ the thick fog.2)The boy was asked _ his being late again.3)We finally _ his suggestion.took account ofon account ofto account for 271.Read the passage as many times as possible.2.Try to find more information about Franklins Kite experiment on the Internet.3.Choose another world famous scientist and figure out what he/she is famous for.Write down your results and the reason why you choose him/her.2829
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