Unit 20导学案4 lesson 3 scientific breakthroughs a

Unit20NewFrontiers 导学案(4)Lesson3---ScientificBreakthroughs 第一课时Tips:“Creativityinsciencecouldbedescribedastheactofputtingtwoandtwotogethertomakefive.”---ArthurKoestlerLearningaims(学习目标):A(层次):Recitetheimportantwordsinthispart.B:Keeptheimportantwords,phrasesinmind；Topractisestrategiesforidentifyinginformation.C,D:①Topractiseusingcompandwords.②Totalkabouttheinfluencesofscientificdiscoveries..Importantanddifficultpoint(学习重难点):Usetheimportantwords,phrasescorectly.Learningprocedures(学习过程):StepⅠRevision(A 级)A:听写单词B：听写短语StepⅡReadingStrategy—Readingpractice1.Fastreading:getthemainidea(B 级)（Readingstrategy1→Getthegeneralideaandreadthetextfast.Don’tworryaboutthewordsthatarenewtoyou.）Thepurposeofthisarticleis_______.A. theintroductionofAlbertEinsteinB. theintroductionoftheprocessofscientificbreakthroughC. introductionofthemajorscientificdiscoveriesinthe20thcenturyD. thecontributionsscientistsmadetotheworld2．Carefulreading:getspecificinformation(C 级)（Readingstrategy2——Thenreadthequestions/statementsandidentifyimportantwords.）Fillinthetable1TimeNameDiscoveryHowtodiscoverInfluence1905ChangeunderstandingofuniverseFirstWorldWar1929byaccident1946Notmentioned_____with120patents3．Arethesestatementstrue(T)offalse(F)accordingtothetextoristherenoinformation(NI)?Usethestrategies3tohelpyou.(C 级)(Readingstrategy3:Todecideifthereisnoinformation,makesurethattheanswer(true/false)cannotbeinferredfromthetext.Alsoyoubaseyourdecisiononlyontheinformationinthetext.)1.Einsteinwasatworkwhenhethoughtoftheequation“E=mc2”.()2.Einsteinparticipatedintheprogramthatdevelopedthenuclearbomb.()3.Einsteinobservedchangesintime,sizeandmass.()4.Hubblestudiedtheuniverseforovertwentyyears.()5.Hubblediscoveredthatourgalaxyisbiggerthanwethoughtitwas.()6.Fleminghadbeenstudyingbacteriainhislaboratorywhenthediscoveryhappened.()7.Therewasabluemouldaroundthebacteriainthedish.()8.Flemingdevelopedtheprocessformakingpenicillin.()9.Thefirstcomputerprojectfailed...