scientists at work教案3

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/9SCIENTISTSATWORK教案1教学示例（二）ITEACHINGAIMSTALKABOUTSCIENCEANDSCIENTISTSLEARNHOWTOGIVEINSTRUCTIONSSIMILARDIALOGUEPRESENTATIONWITHNEWWORDSANDEXPRESSIONSUSEDWITHINIITEACHINGAIDSTAPERECORDER,PICTURES,SLIDESSTEP1PREREADING1TASKSSDOYOUKNOWTHENAMESOFSOMEFAMOUSSCIENTISTSWHATARETHEYFAMOUSFORTSHOWSOMEPICTURESANDASKDOYOUKNOWTHESCIENTISTSWHATARETHEYFAMOUSFORALBERTEINSTEIN爱因斯坦GALILEOGALILEI伽利略MARIECURIE居里夫人STEPHENHAWKINGCHARLESDARWIN达尔文YUANLONGPING精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/9袁隆平史蒂芬威廉姆霍金2GROUPWORKLETSSWORKINPAIRS,ANDNAMESOMESCIENTISTSWHOMADEMANYIMPORTANTDISCOVERIESINTHEEIGHTEENTHANDNINETEENTHCENTURIESSLIDESHOWSTEPIIREADING1SKIMMINGLETSSREADTHEPASSAGECAREFULLYANDANSWERTHEQUESTIONWHYDIDBENJAMINFRANKLINDOTHISEXPERIMENTWITHTHEKITEHEWANTEDTOSHOW/PROVETHATLIGHTNINGANDELECTRICITYARETHESAMETHING2SKIPPINGLETSSREADTHEPASSAGEAGAIN,ANDFINISHTHEFOLLOWINGEXERCISESSLIDESHOWTRUETORFALSEF1IN1752SCIENTISTSALREADYKNEWWHATELECTRICITYIST2FRANKLINWASHELPEDBYAFRIENDTODOTHEEXPERIMENTF精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/93FRANKLINMADETHEKITEOFSILKBECAUSEWETSILKDOESNOTCONDUCTELECTRICITYF4ACONDENSERWASUSEDINTHEEXPERIMENTTOSTOREELECTRICITYT5THEKEYTIEDTOTHESTRINGWASPUTINTOTHEDOORTOSTOPTHEKITEFORMFLYINGAWAYF3EXTRACTIVEREADINGLETSSREADTHEPASSAGECAREFULLY,ANDANSWERTHEFOLLOWINGTHEQUESTIONSAWHYISITBETTERTOMAKETHEKITEOFSILKTHANOFPAPERASLIKKITEWILLLASTLONGERINBADWEATHERTHANAPAPERKITEBDOYOUTHINKFRANKLINSEXPERIMENTWASDANGEROUSEXPLAINYESFRANKLINSEXPERIMENTWASVERYDANGEROUSBECAUSEIFSOMETHINGWENTWRONGHECOULDBEKILLEDBYTHELIGHTNING4LETSSFINDOUTTHEKEYSOFTHEEXERCISESAFTERTHEIRREADINGSLIDESHOWAIMTOSHOWTHATLIGHTNINGANDELECTRICITYARETHESAME精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/9MATERIALSSOMEWOODENSTICKS,APIECEOFSILK,SOMEROPE,AVERYSHARPPIECEOFMETAL,ASILKRIBBON,AKEY,ACONDENSER,ASMALLSHED,ATHUNDERSTORMWITHLIGHTNINGRESULTSTHEELECTRICITYSTOREDINTHECONDENSERCANBEUSEDTODOOTHEREXPERIMENTS,WHICHPROVESTHATLIGHTNINGANDELECTRICITYARETHESAME4LISTENINGPLAYTHETAPEANDLETSSFOLLOW,PAYINGATTENTIONTOTHEINTONATIONSTEPIIIDISCUSSIONTSAYSINORDERTOCONDUCTSCIENCEEXPERIMENTS,SCIENTISTSMUSTOFTENFINDPRACTICALSOLUTIONSTOOVERCOMEPROBLEMS,MAKELARGESCALENATURALPHENOMENAMANAGEABLEANDTHINKABOUTTHEIROWNSAFETYLETSSWORKINGROUPANDDISCUSSHOWFRANKLINUSEDHISCREATIVITYTOOVERCOMEVARIOUSPROBLEMSFORHISEXPERIMENT1WECANNOTGOANDLOOKFORLIGHTNING,SOFRANKLINHASTOFINDAWAYTOMAKELIGHTNINGCOMETOHIMHEATTRACTEDLIGHTNINGUSINGAKITE精品文档2016全新精品资料全新公文范文全程指导写作独家原创5/92AKITEMADEOFPAPERWONTLASTLONGINRAINYWEATHER,SOHEHADTOMAKEASTRONGKITEHEMADEHISKITEOFSILK3ASILKKITEDOESNTATTRACTLIGHTNING,SOHEHADTOADDSOMETHINGHEFIXEDALONG,SHARPPIECEOFMETALTOTHETOPOFTHELONGESTSTICKOFTHECROSS4HEHADTOCOLLECTANDSTORETHEELECTRICITY,SOTHATHECOULDLATERUSEITINOTHEREXPERIMENTSHEBROUGHTACONDENSER5HEHADTOMAKESURETHATHEHIMSELFWOULDNOTBEHITBYTHELIGHTNING,SOHEHADTOFINDALOWPLACEWHEREHECOULDKEEPHIMSELFANDHISTOOLSDRYHEUSEDASMALLSHEDINTHEFIELDS6HEHADTOSTOPTHEKITEFROMFLYINGAWAY,WITHOUTTOUCHINGTHESTRINGTHATWOULDBECHARGEDWITHELECTRICITYHETIEDASILKRIBBONTOTHESTRINGTHATHEKEPTDRYBYSTANDINGINSIDETHESHEDDRYSILKDOESNTCONDUCTELECTRICITY,SOITWASSAFETOHOLDITINHISHANDS7HEHADTODIRECTTHEELECTRICITYTOWARDSTHECONDENSER,WI精品文档2016全新精品资料全新公文范文全程指导写作独家原创6/9THPIECEOFMETALATTHEENDOFTHESTRINGHETIEDAMETALKEYTOTHEENDOFTHESTRINGSTEPIVPOSTREADINGTRANSLATETHEFOLLOWINGSENTENCESINTOENGLISHSLIDESHOW1、弗兰克林的风筝实验表明，闪电和电是一码事。（EXPERIMENT）2、有些人认为，和能源对环境构成的威胁远远超出它给社会带来的益处。（NUCLEARENERGY）3、轻微的电击对人体无碍，但强电却能致人死命。（ELECTRICSHOCK）4、关于这位科学家的家庭生活，众说纷纭。（AGREATDEALOF）5、你怎么证明你没干这件事（PROVE）6、作为人类最早的发明之一，轮子至今仍在人类活动中发挥着重要作用。（WHEEL）7、琳达很生气，把信撕成碎片，扔进了垃圾筐。（TEAR）8、根据英国法律，每一种新药必须在至少两种不同类的动物身上试验。（TESTON）精品文档2016全新精品资料全新公文范文全程指导写作独家原创7/91FRANKLINSKITEEXPERIMENTSHOWEDTHATLIGHTNINGANDELECTRICITYARETHESAME2SOMEPEOPLETHINKTHATTHETHREATTHATNUCLEARENERGYFORMSTOTHEENVIRONMENTWEIGHSMUCHMORETHANTHEGOODITDOESFORSOCIETY3ALIGHTELECTRICSHOCKDOESNOHARMTOTHEHUMANBODY,BUTASTRONGONECANKILL4THEREWASAGREATDEALOFTALKABOUTTHESCIENTISTSFAMILYLIFE5HOWCANYOUPROVETHATYOUDIDNTDOIT6THEWHEEL,ONEOFTHEEARLIESTINVENTIONS,STILLPLAYSANIMPORTANTROLEINHUMANACTIVITIES7LINDAWASSOANGRYTHATSHETORETHELETTERINTOPIECESANDTHREWTHEMINTOTHEDUSTBIN8BRITISHLAWSAYSTHATEVERYNEWDRUGMUSTBETESTEDONATLEASTTWODIFFERENTKINDSOFANIMALS精品文档2016全新精品资料全新公文范文全程指导写作独家原创8/9STEPVLANGUAGEPOINTSANDUSEFULEXPRESSIONSDECIDETODOSTHDOONESEXPERIMENTBEGINTOSTANDUPGETCHARGEDAGREATDEALOFPROVEBEMADEOFPROTECTFROMCOMEONSOTHATTAKECAREHOMEWORKFINISHOFFTHEEXERCISEONTHEWORKBOOK教案点评根据新教材中的以阅读为主的教学环节所设计的一课时/两课时教案。本课阅读课的目的是让学生通过阅读英语材料，掌握实验步骤，领悟严谨的科学精神财富，体验英语语言、问题，学习灵活使用语言结构。这个教学过程分三个步骤PREREADING,READING,DISCUSSION,POSTREADING,LANGUAGEPOINTSPREREADING在阅读课文之前，教师可适当的讲解与本单元有关的背景知识,运用图片向学生介绍一些著名的科学家，通过提问的方式引入课文主题。教师可根据课文的内容和篇章结构，从不同的角度，引导学生对课文内容进行预测和讨论。READING课文分三个步骤掠读（SKIMMING），即带精品文档2016全新精品资料全新公文范文全程指导写作独家原创9/9着某个问题进行搜索式阅读，这样能培养学生捕捉关键句的能力；略读SKIPPING，即教师指导学生通读全文，理解课文大意，培养学