Unit 3 Inventors and inventions高二下学期英语人教新课标选修八.pptx

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1、Unit3Inventors and Inventions1.Knowsomebasicknowledgeofinventions.2.Summarizethemainideaofthepassage.3.Developtheabilityofsolvingproblems.Learningaims paper-makingpowderthefourgreatinventionsofancientChinaWarming-upcompass printingbikesharinghigh-speedrailthenewfourgreatinventionsofChinaalipayonline

2、shoppingInventionsalwayshavebeenwithus.Theyhavemadegreatcontributionstoourlife.Intheprocessoffightingagainstthevirus,inventionshelpedussolvemanyproblems.Can you distinguish a discovery from an invention?discoveryIsaac Newton was looking at the falling apple and an idea came into his mind:the power o

3、f gravity.Look at these pictures below,discuss in pairs which pictures show inventions and which show discoveries,then tell us the reason.George Stephenson was one of the first men to design engines for the railways which were new at that time.inventionMarie Curie and her husband _ the new chemistry

4、 elements Polonium(钋)and Radium(镭).discoveredZhang Heng _ the first seismograph(地震仪)the earliest instrument to tell people where earthquakes happened.inventedThis is the first car that can travel safely on water and on land.When moving on water,the wheels of the car turn sideways and move into the b

5、ody.The underneath of the car is strong enough to sail as a boat.inventionFrancis Crick and James Watson were the first to show that our genes consist of two spirals of DNA(called the double-helix(双螺旋).This work led directly to the human genome project(人类基因工程)in 2003,which _ the structure of DNA.dis

6、coveredAdiscovery_.Aninvention_.isrecognizingsomethingthatalreadyexistsforthefirsttime,thatnobodyhasfoundbeforeiscreatingsomethingtotallynewwithonesownideasanddevelopment.leads toIsthereanyconnectionsbetweenthetwo?the movement of airAirplane jet engines(发动机)Air balloonsleads toX-raysBody scannerslea

7、ds toElectricity leads toInventing has been a part of human life as long as humans have been on earth.Inventions are necessities of modern life.Ifsomesnakesarefoundinyouryards,howtodealwiththem？Pre-readingTheProblemoftheSnakesReadingWhatdidtheauthorinvent?Task1Thinkaboutthemainideaofthepassage.Task2

8、Thinkaboutthekeywordsofeachparagraph.FastreadingThetexttellstheproblemof_andpresentstheproceduresof_themandapplyingfora_.Task1Themainideaofthepassage:Thetexttellstheproblemof_andpresentstheproceduresof_themandapplyingfora_.snakespatentcatchingTask2ThekeywordsofeachparagraphPara.1Para.2Para.3Para.4Pa

9、ra.5Para.6Para.7Para.8FindingaproblemDoingresearchThinkingofacreativesolutionThefirstattemptoftestingthesolutionThesecondattemptoftestingthesolutionThethirdattemptoftestingthesolutionDecidingontheinventionApplyingforapatentTestingthesolutionFindingaproblemDoingresearchThinkingofacreativesolutionTest

10、ingthesolutionDecidingontheinventionApplyingforapatentThescientificstagesofaninventionThinkaboutthefollowingquestions.1.Whatstheproblemthatthewritercameacross?2.Howdidtheauthordotheresearch?3.Whichsolutiondidtheauthorchoose?4.Whichattemptoftestingthesolutionwassuccessful?CarefulreadingWhatstheProble

11、m?Howtogetridofthesnakesinamercifulway？Findingaproblem1 Howdidtheauthordotheresearch?12lookedforsomeusefulproductssetaboutresearchingthehabitsofthesnakesDoingresearch2Theauthordecidedon3possiblesolutions.removingtheirhabitatattractingthemintoatrapusingperfumeorfoodcoolingthemsothattheywouldbecomesle

12、epyWhichsolutiondidtheauthorchoose?Thinkingofacreativesolution3Testingthesolution4attempt1attempt2attempt3resultThefirstattempthadlittleeffect,soitneeded_.Thesecondonehadsomeeffect,buttherewasstillsome_.Allthesnakeswere_.Soitturnedout_.adjustingFailureFailureSuccessdangercaughtsuccessfulWhichattempt

13、wassuccessful?Decidingontheinvention5Thequalitiesofaninventor:determinedpatientpersistentcreativehard-workingWhatdoyouwanttoinventtomakeourlifemorebeautiful?DiscussionWhatstheproblem?Whatkindofresearchdoyoudo?Whatsyoursolution?Howdoyoutestyoursolution?Whatdoyouinvent?Howwillitchangeourlife?ShowTimeS

14、ummaryWhathaveyoulearntinthisclass?1.Thebenefitsofinventions2.Thestagesofaninvention3.ThequalitiesofaninventorInspirationGreatinventionsarethedrivingforceinthedevelopmentofourcountry.Iftheyoutharewise,thecountrywillbewise.Iftheyoutharestrong,thecountrywillbestrong.少年智则国智，少年智则国智，少年强则国强。少年强则国强。Dreamsarenotunreachableaslongasyousticktoit.心之所愿，无所不能。心之所愿，无所不能。1.Gooverthewholepassage.2.Recitethekeysentencesinthetext.Thank you for your listening.