知识学习人教版高二英语必修5全册教案Word下载.docx

知识学习人教版高二英语必修5全册教案Word下载.docx

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　　3.Learningabilitygoals学能目标

　　Learnhowtowriteapersuasivewritingandadescriptivewriting.

　　Teachingimportantpoints教学重点

　　Helpthestudentstolearntowriteapersuasivewritingandareport.

　　Teachingdifficultpoints教学难点

　　Howtowriteareportaboutascientistandhis/herjob.

　　Teachingmethods教学方法

　　Task-basedactivities.

　　Teachingaids教具准备

　　Acomputerandaprojector.

　　Teachingprocedures&

amp;

ways教学过程与方式

　　StepⅠPresentation

　　Task1:

Summarizethewayofwritingareport.

　　T:

Nowclass,ifwewanttowriteareportaboutascientist,whatcontentsshouldweinclude?

　　S1:

Thelifeofthescientist,suchashisbirthanddeathdates,hisfamily,hiseducation,hispersonality,hisachievementsandcontributions,hiskeyfactorstohissuccess.

yes.youareright.Andhowdowemakeanoutlineaboutit?

　　S2:

weshouldputthecollectedinformationunderthreeheadlines:

life,achievementsandkeytosuccess.

　　Task2:

Remindthestudentsofthewritingtechniquesandwritingfeaturesofareport.

　　Showthefollowingtothestudents.

　　Report

　　Formallanguagewithfewadjectives

　　Nospeechexceptquotations

　　Notemotional

　　onlyonemaincharacter

　　Factualstructuredaccordingtoexperimentalmethod

　　Pasttenseandpassivevoice

　　Task3:

Summarizethewayofpersuasivewriting.

youknowifwewanttopersuadesb,wealwayswanttoreasonwithhimorher.wemustdevelopourownideasandprovidesomeevidencetosupportourideassotherearealwaysthreestepstopersuadesomebodyelsetochangehisorherpointofview.canyoupointoutwhatthethreestepsare?

Ithinkthefirstistogiveyouropinionandidea.

Thesecondistogivethereasonsandevidencetosupportyouridea.

　　S3:

Thethirdistomakeaconclusion.

　　Apersuasivewriting

　　Formalorinformal,vividuseoflanguage

　　Speechtoshowfeelings,reactions,etc

　　Emotionalornotemotionaltodescribefeelingsandfacts

　　onlytwomaincharacters

　　Factualorimaginativebasedonfact

　　Reasonandpersuadestepbystep

　　Presenttense

　　ThenaskthestudentstowriteashortletterasrequiredinExercise3.

　　Asampleversion:

　　DearNicolauscopernicus,

　　IamastudentstudyinghistoryandIwouldverymuchliketoreadyournewtheoryaboutthesolarsystem.Ihopeyouwillpublishitforseveralreasons.Iunderstandtheproblemswiththepresenttheory.Thewaytheplanetsmoveisnotwhatyouwouldexpectiftheearthwasthecentreoftheuniverse.Itisalsooddthatthebrightnessofsomestarsseemstochange.SoIagreewithyouthatweneednewtheory.

　　Iknowyourobservationshavebeenverycarefullycarriedoutovermanyyears.Nowyoumusthavethecouragetopublishthem.Sciencecanneveradvanceunlesspeoplehavethecourageoftheirbeliefs.Iknowyouworryaboutwhatwillhappenifyoupublishyournewtheory.Nomatterhowpeopleopposeit,timewillshowifyourideasarerightorwrong.

　　SoIhopeyoucanpublishyournewtheory.

　　StepⅡwriting

　　Askthestudentstowriteareportabout

　　ascientist.

　　Sampleversions

　　StepⅢHomework

　　AskthestudentstodotheProjectonpage47.

　　附

　　件

　　.Howtodoascienceresearch

　　Ascienceprojectisaninvestigationusingthescientificmethodtodiscovertheanswertoascientificproblem.Beforestartingyourproject,youneedtounderstandthescientificmethod.Thissectionusesexamplestoillustrateandexplainthebasicstepsofthescientificmethod.Thescientificmethodisthe“tool”thatscientistsusetofindtheanswerstoquestions.Itistheprocessofthinkingthroughthepossiblesolutionstoaproblemandtestingeachpossibilitytofindthebestsolution.Thescientificmethodinvolvesthefollowingsteps:

doingresearch,identifyingtheproblem,statingahypothesis,con-ductingprojectexperimentation,andreachingaconclusion.

　　Research

　　Researchistheprocessofcollectinginformationfromyourownexperiences,knowledgeablesources,anddatafromexploratoryexperiments.yourfirstresearchisusedtoselectaprojecttopic.Thisiscalledtopicresearch.Forexample,youobserveablackgrowthonbreadslicesandwonderhowitgotthere.Becauseofthisexperience,youdecidetolearnmoreaboutmoldgrowth.yourtopicwillbeaboutfungalreproduction.cAUTIoN:

Ifyouareallergictomold,thisisnotatopicyouwouldinvestigate.chooseatopicthatissafeforyoutodo.

　　Afteryouhaveselectedatopic,youbeginwhatiscalledprojectresearch.Thisresearchistohelpyouunderstandthetopic,expressaproblem,proposeahypothesis,anddesignoneormoreprojectexperiments—experimentsdesignedtotestthehypothesis.Anexampleofprojectresearchwouldbetoplaceafreshloafofwhitebreadinabreadboxandobservethebreadoveraperiodoftimeasanexploratoryexperiment.Theresultofthisexperimentandotherresearchgiveyoutheneededinformationforthenextstep—identifyingtheproblem.

　　Problem

　　Theproblemisthescientificquestiontobesolved.Itisbestexpressedasan“open-ended”question,whichisaquestionthatisansweredwithastatement,notjustayesorano.

　　Hypothesis

　　Ahypothesisisanideaaboutthesolutiontoaproblem,basedonknowledgeandresearch.whilethehypothesisisasinglestatement,itisthekeytoasuccessfulproject.

　　Allofyourprojectresearchisdonewiththegoalofexpressingaproblem,proposingananswertoit,anddesigningprojectexperimentation.Thenallofyourprojectexperimentingwillbeperformedtotestthehypothesis.

　　Dostatefactsfrompastexperiencesorobservationsonwhichyoubaseyourhypothesis.

　　Dowritedownyourhypothesisbeforebeginningtheprojectexperimentation.

　　Don’tchangeyourhypothesisevenifexperimentationdoesnotsupportit.Iftimepermits,repeatorredesigntheexperimenttoconfirmyourresults.

　　ProjectExperimentation

　　Projectexperimentationistheprocessoftestingahypothesis.Thethingsthathaveaneffectontheexperimentarecalledvariables.Therearethreekindsofvariablesthatyouneedtoidentifyinyourexperiments:

independent,dependent,andcontrolledvariables.

　　Theindependentvariableisthevariableyoupurposelymanipulate.Thedependentvariableisthevariablethatisbeingobserved,whichchangesinresponsetotheindependentvariable.Thevariablesthatarenotchangedarecalledcontrolledvariables.

　　Dohaveonlyoneindependentvariableduringanexperiment.

　　Dorepeattheexperimentmorethanoncetoverifyyourresults.

　　Dohaveacontrol.

　　Dohavemorethanonecontrol,witheachbeingidentical.

　　Doorganizedata.

　　Projectconclusion

　　Theprojectconclusionisasummaryoftheresultsoftheprojectexperimentationandastatementofhowtheresultsrelatetothehypothesis.

　　Ifyourresultsdonotsupportyourhypothesis:

　　DoN’Tchangeyourhypothesis.

　　DoN’Tleaveoutexperimentalresultsthatdonotsupportyourhypothesis.

　　Dogivepossiblereasonsforthedifferencebetweenyourhypothesisandtheexperimentalresults.

　　Dogivewaysthatyoucanexperimentfurthertofindasolution.

　　Ifyourresultssupportyourhypothesis:

　　youmightsay,forexample,“Asstatedinmyhypothesis,Ibelievethatlightisnotnecessaryduringthegerminationofbeanseeds.myexperimentationsupportstheideathatbeanseedswillgerminatewithoutlight.Aftersevendays,theseedstestedwereseengrowinginfulllightandinnolight.Itispossiblethatsomelightreachedthe‘nolight’containersthatwereplacedinadarkcloset.IfIweretoimproveonthisexperiment,Iwouldplacethe‘nolight’containersinalight-proofboxand/orwraptheminlight-proofmaterial,suchasaluminumfoil.”

　　2.onwomenscientists:

AspeechintheInternationalwomen’sDay

　　womenthouhastencircledtheworld’sheartwiththedepthofthytearsastheseahastheearth.

　　womeninyourlaughteryouhavethemusicofthefountainoflife.

　　Themessageisclear;

itisinspiringandpresentsadeepphilosophy.womenwouldbethechangeagentinthisfastmovingworld’ssocio-economicscenario.

　　wehaveassembledheretodaytocelebratetheInternationalwomen’sDayandalsotheyearofEmpowermentofwomen.

　　...

　　madamcuriewhogottheNobelPrizejustaftertwoyearsofestablishmentoftheNobelFoundation—firstin1903inPhysicswhensheshareditandthenthesecondonein1911inchemistry,createdahistorybywinningtwoNobelPrizesinaspanof8years.Iamsure,thegrouphereisawareofthedifficultconditionsandlaboratoryarrangementsunderwhichsheworkedandyet,sheexcelled.

　　BiotechnologistscanneverforgettheworkofDorothycrowfootHodgkinoncrystallographyleadingtothestructureoftheimportantbiologicalcrystals.ShewontheNobelPrizeinchemistryin1964.TheworkofBarbaramcclintock,ageneticistwonhertheNobelPrizein1983.

　　justassomeonesaid:

“Developingcountriesthathavemaderemarkablesocialprogress,havedonesoprimarilythroughtheempowermentofwomen,whichhashadenormousimpactintermsofliteracy,healthandeconomicwellbeingoffamilies.”whatweneedtodoistoensurethevaluablecontributionfrom50%of

　　ourhumanresource.

　　Itisamatterofgreatpleasureforallofustoseethatthewomenarenotonlyconfinedtobiology,asubjectinwhichtheyhavebeencontributingsignificantly,theyarealsojoiningtheareasofphysicalsciencesandengineeringandperformingequallywell.

　　Somehow,inmanypartsoftheworldtoday,scienceandtechnologyinterventionshavetreatedwomenprimarilyasrecipientofknowledgeandhaveunderestimatedtheirimportanceasgeneratorsofinnovationsandasadynamicagentofeconomicandsocialchange.Inempoweringthewomenwithscientificandtechnologicalskills,womenscientistsandtechnologistshaveamajorrole.

　　Biotechnologyandbiosciencesincludingmedical,agricultureandbasicresearchhaveopenedupnewopportunities.Theinvolvementofwomenscientistsandtechnologistsinphysicalsciences,especiallyintheNationalAeronauticsandSpaceAdministrationdatesbackto1903,theyworkedasexplorers,pioneersandinnovators.Bytheendofthe20thcentury,atleast25%oftheastronautsatNASAwerewomen,16%scientistsandengineers.

　　ofcourse,itisextremelyimportantthatwomenscientistsandtechnologistsareappreciatedfortheirdualroleinthesocietywhilepursuingscientificresearchasacareer.Theyshouldalsonurtureandcherishtheirqualitiesofculture,compassion,courageandcreativity.Andaboveall,thecooperativespirit.Thefive‘cs’arepersonifiedinwomen’spersonality.

　　3.charlesDrawinoriginofSpecies

　　TheEnglishscientist,charlesDarwinwasbornonFebruary12,1809,thesamedaythatAbrahamLincolnwasborn.Darwincausedachangeinthinkingaboutevolution,whereasLincolncausedachangeintheroleoftheblackslave,allowingtheblackmantobeafreemaninAmericansociety.

　　Darwin’sfathertriedtoinfluencehissontobecomeaworthystudentinschool.However,charlesdidno