Unit 4 Extended reading The Value of Scienceppt课件（含音频+视频素材）-（2020版）新牛津译林版高中英语必修第三册.zip

Lead inWhat benefits has science brought to us humans？e.g.In the 20th century,some significant inventions,including jet planes,cars,computers and giant automatic machine,etc.have shaped our modern life fundamentally.For one thing,long distance transportation becomes easier,and therefore increasing international communication in many aspects,such as trade,culture and technology,expands peoples activity sphere and broadens their horizons.For another,boosted productivity in industry and agriculture by automation and computer technology has solved famine in many regions and improved ordinary peoples living standard dramatically.Lead-inTu YouyouDiscovery of a medicine against malariaYuan LongpingFather of hybrid riceMarie CurieDiscovery of RadiumSteven HawkingEnglish physicistA Brief History of TimeLead-inScience has both advantages and disadvantages.Science promotes the development of human society and improves peoples life.The scientific and technological revolutions in human history have brought about rapid progress in our world.Life expectancy and the overall health of people have been greatly improved due to advances in medical science.Advancements made in technologies that produced things like hybrid rice,have contributed to food security.Owing to transport and engineering developments,as well as the invention of the Internet,the world has become a global village.However,there are dark and ugly sides of science.Military science is often misused in conflicts and wars,which cause countless casualties.Addiction to and reliance on some high-tech products have made us lazy.Science has industrialized society,which also puts enormous pressure on natural resources and on environment.How do you understand the famous saying,“science is a double-edged sword”?Now were going to understand the value of science in a scientists eyes.Extended ReadingExtended ReadingExtended ReadingExtended ReadingLets get closer to the scientist from watching a video.Richard Phillips Feynmanwon the Nobel Prize in Physics 1965Born:11 May 1918,New York,USADied:15 February 1988Lets find out how the lecturer explains his ideas on the value of science.The Value of ScienceRe-read the lecture transcript and finish the mind map.A question(4)_values of scieneceThe value of science(1)_to the topic(8)_Is there some evil(2)_?Or,what is the(3)_?involved in sciencevalue of science(5)_Enables us to do and make all kinds of things(6)_(7)_ Scientists freedom to doubtTo remember the importance of the struggleTo(9)_To leave room for uncertaintyrecognize our ignoranceTo declare the value of the freedomTo teach(10)_To demand the freedom as our duty to all coming generations how doubt is not to be feared but to be welcomed and discussedIntroductionThreeConclusionProvides us with intellectual enjoyment Paras.12 Raise the question ReadingWhy did he ask such a question?His work on the atomic bomb and the destruction of people(caused by the atomic bomb)made him question:“Is there some evil involved in science?”What was his attitude to the question?His attitude was serious because he thought the question long and hard.Para.12 Raise the question Find out words or phrases negative in meaning.He used them to point out there may be some“evil involved in science.”Para.36 Answer the question ReadingWhat is the first value?Scientific knowledge enables us to do and make all kinds of things.What is the second value?The intellectual enjoyment it can provide us with.What is the third value?The scientists freedom to doubt.Para.3 What do these“it”refer to?making good thingsscientific knowledgeFurther thinkingAccording to Feynman,who should be blamed if the power of science is used to do something bad?*Scientific knowledge is an enabling power to do either good or bad-but it doesnt carry instructios on how to apply it.*If the science is used to do something bad,it is not the science,but the man misusing it that should be blamed.Detailed informationThe keyword of this paragraph is _.Then can you find the expressions with positive meaning Feynman used to creat the atmosphere of “enjoyment”?intellectual enjoymentPara.4 Find out words or phrases positive in meaning.Para.36 Answer the question ReadingAppreciating“We turn over each new stone to find unimagined strangeness leading on to more wonderful questions and mysteries.”（Para4)new stone refers to_“turn over each new stone”refers to the process of _.difficult problem/confusion/discovering/exploring what is hidden under a stoneIt is an analogy.(类比类比）To emphasize the curiosity and determination to uncover mysteriesRead“The Value of Science”several times;完成课课练完成课课练89-91。HomeworkHomework