高一英语(外研版)-必修三 Unit 3 The world of science(5)-2ppt 课件

必修三Unit3TheWorldofScience(5)高一年级英语DevelopingideasWritinganexperimentreportLearningobjectivesAttheendofthelesson,youwillbeableto:Listthekeyelementsandthelanguagefeaturesofanexperimentreport.Designandimplementanexperiment—Magicbottle.Useaccurateandappropriateexpressionsrelatedtotheexperimentreports.Writeareportoftheexperiment.QuizWhyareweshorteratnightthanweareinthemorning?That’sbecausetheintervertebraldisccontractsundertheinfluenceofgravity.Franklinwantedtoknowiflightningwasreallyproducedbyelectricityorsomethingelse.So,ontheafternoonofathunderingJuneday,Franklindecidedtoflyakite.Hepreparedakite,akeyandalongstring.Hefirstattachedhiskitetoapieceofstring,andthentiedametalkeyattheotherendofthestring.ReadingforthestructureAfterthat,heraisedthekitewiththestringandkeytiedtoit.Whenaflashoflightninghitthekite,electricitywasconductedthroughthestringtothekey.Franklinthentouchedthekeywithhisfingerandgotanelectricshock.This,hesaid,provedthatlightningwasaformofelectricity.ReadingforthestructureFranklinwantedtoknowiflightningwasreallyproducedbyelectricityorsomethingelse.So,ontheafternoonofathunderingJuneday,Franklindecidedtoflyakite.Hepreparedakite,akeyandalongstring.Hefirstattachedhiskitetoapieceofstring,andthentiedametalkeyattheotherendofthestring.ReadingforthestructureAfterthat,heraisedthekitewiththestringandkeytiedtoit.Whenaflashoflightninghitthekite,electricitywasconductedthroughthestringtothekey.Franklinthentouchedthekeywithhisfingerandgotanelectricshock.This,hesaid,provedthatlightningwasaformofelectricity.ReadingforthestructureSummary:ElementsofanexperimentreportIntroducetheaimoftheexperimentStatethemethodusedintheexperimentDescribethematerialsusedintheexperimentExplaintheprocedureReporttheresultsSummarizewhatyouhavelearntReadingforlanguagefeatures1.Doesthereportincludeanysubjectiveviewstodescribetheexperimentanditsresults?No.Butsometimesyouneedtoexpressyouropinionsandthoseviewsoropinionshavetobebasedonobjectivefacts.2.Doyoufindthisreportdifficulttounderstand?Summary:Languagefeatures1.Objectivity2.ReadabilityWhatisanexperimentreport?Itisawrittenreportwhichobjectivelyrecordsthepurpose,method,processandresultsofanexperiment.1.What’sthenameoftheexperiment?2.Whatmaterialsareneededtoimplementtheexperiment?3.What’stheprocedureofthisexperiment?4.Whatdoyouthinktheresultsofthisexperimentwillbe?Canyoushareyourreasonswithus?PreparingforimplementinganexperimentPossibleanswers:1.ThenameoftheexperimentisMagicbottle.2.Thematerialsthatareneededtoimplementtheexperimentareaboiledegg,aglassbottle(bottleneckabitsmallerthantheegg)andhotwater.3.TheprocedurePreparingforimplementinganexperimentPossibleanswers:Removetheshelloftheegg.Carefullypoursomehotwaterintothebottle.Shakethebottlegently.Pouroutthehotwater.Quicklyputtheeggontopofthebottle.PreparingforimplementinganexperimentPossibleanswers:4.Ithinktheresultoftheexperimentisthattheeggwillsqueezeintothebottle.5.Thereasonforitisairpressure.PreparingforimplementinganexperimentPleasewatchavideoinwhichIdemonstratedthewholeprocessoftheexperiment—Magicbottle,andallyouneedtodoisobservingcarefully.ImplementingtheexperimentNow,it’stimeforyoutodotheexperiment!Remembertotakedownnotesespeciallytheresultswhiledoingtheexperiment.ImplementingtheexperimentWhatcanyoulearnfromthisexperiment?Theexperimentshowsustheeffectsofairpressure.Airpressureindeedexists,anditisverypowerful.Think&ShareIntroductiontheaim,themethodusedintheexperimentMainbodythematerials,theprocedureConclusiontheresults,whatyouhavelearntPre-writing:RetellingtheexperimentPre-writing:RetellingtheexperimentIntroductiontheaimThisexperimentisdesignedtoprove…themethodIdecidedtodo…MagicbottlePre-writing:RetellingtheexperimentMainbodythematerialsIprepared…todothisexperiment.theprocedure1.Remove…2.Carefullypour…3.Shake…4.Pourout…5.Quicklyput…MagicbottlePre-writing:RetellingtheexperimentConclusiontheresultsTheeggsqueezedintothebottle.whatIhavelearntAftertheexperiment,Icandrawtheconclusionthat…MagicbottleIntroductionTheexperimentisdesignedtoprove…MainbodyIprepared…todothisexperiment.ConclusionAftertheexperiment,Icandrawtheconclusionthat…Pre-writing:ExpressionstolearnIntroducetheaimoftheexperiment:Theexperimentisdesignedtoexplore…Idotheexperimentsoastostudy…Theexperimentissupposedtoprovethefact…Thepurposeoftheexperimentistoexplore…Idotheexperimentwiththepurposeofproving…Theaimoftheexperimentistoprove…Pre-writing:MoreexpressionstolearnIntroducethemethodusedintheexperiment:Idecidedtodotheexperiment—Magicbottle.Itookthemethodofdoingthemagicbottleexperiment.Myapproachwasto…Bydoing…Pre-writing:MoreexpressionstolearnCombinetheintroductionwiththemethod:Idecidedtodotheexperiment—Magicbottlewiththepurposeofproving…Bydoingthemagicbottleexperiment,Iwantedtotest…Pre-writing:MoreexpressionstolearnListthematerials:BeforeIstartedtheexperiment,Imadeadequatepreparations,includingaboiledegg…Inordertobetterimplementtheexperiment,Icarefullyprepared…ThematerialsthatIpreparedfortheexperimentwereasfollows…WhatIpreparedfortheexperimentwere…Pre-writing:MoreexpressionstolearnDescribetheprocedure:Tostartwith,Iremovedtheshelloftheegg.firstly,firstofall,tobeginwith,inthebeginning,aboveall,inthefirstplace,forastart…Inthenextplace,Icarefullypouredsomehotwaterintothebottle.secondly,thirdly,afterwards,afterthat,then,afterawhile,immediately,later,afterafewminutes,atthesametime…Pre-writing:MoreexpressionstolearnDescribetheprocedure:Atlast,Iquicklyputtheeggontopofthebottle.Thelaststepwastoputtheeggontopofthebottlequickly.Iwindedupmyexperimentwithquicklyputtingtheeggontopofthebottle.finally,intheend,last,eventually,lastly…Pre-writing:MoreexpressionstolearnDescribetheprocedure:Aftercarefullypouringsomehotwaterintothebottle,Igentlyshookthebottleforawhile.Iputtheeggontopofthebottleimmediatelyafterpouringoutthehotwater.Pre-writing:MoreexpressionstolearnDescribetheprocedure:IputtheeggontopofthebottleafterIpouredoutthehotwater.afterdoing…,aftersomebodydidsomething,immediatelyafter…Pre-writing:MoreexpressionstolearnDescribetheprocedure:IputtheeggontopofthebottlethemomentIpouredoutthehotwater.theminute,theinstant,assoonas…IhadnosoonerpouredoutthehotwaterthanIputtheegg…NosoonerhadIpouredoutthehotwaterthanIputtheegg…hardly…when…,scarcely…when…Pre-writing:MoreexpressionstolearnReporttheresults:Theeggendedupinthebottle.Asaresult,theeggwaspushedintothebottle.Theresultwasthattheeggwaspushedintothebottle.JustasIpredicted,theeggsqueezedintothebottle.Tomyamazement,theeggsqueezedintothebottleatonce.Whatsurprisedmewasthattheeggwassqueezedintothebottle.Pre-writing:MoreexpressionstolearnReportwhatyouhavelearnt:Aftercarefulreasoningandanalysisoftheexperimentanditsresults,Icametothefollowingconclusion:airpressureindeedexists.Theexperimentclearlyprovedthat…TheconclusionIcandrawfromtheexperimentisthat…Obviously,itistheairpressurethatpushedtheeggintothebottle.Pre-writing:MoreexpressionstolearnReportwhatyouhavelearnt:Allinall,itsupportstheideathat…WhatIcandrawfromtheexperimentisthat…Asyoucanseefromtheexperiment,the…Pre-writing:Moreexpressionstolearn1.Usevocabularyspecificallyrelatedtoexperimentreports.2.Describewhathappensintheexperimentobjectively.3.Talkaboutmaterialsandproceduresoftheexperimentincorrectorder.4.Useavarietyofobjectivesentencestointroducetheaimsandresults.5.Supportyourconclusionwithscienceprinciples.ToptipsforwritingChecklistAspectsItemsGoodAveragePoorContentcovermainpointsobjectiveandaccurateStructureexperimentreportpatternLanguageproperandeffectivewordsvarioussentencestructuresCohesionwellorganizedandconnectedGrammarnoerrorsDraftingPleasecompletetheexperimentreportbasedonwhatyouhavelearnedinthislessononyourown.ReadingandpreparingpeerassessmentReadingandpreparingpeerassessmentReadingandpreparingpeerassessmentReadingandpreparingpeerassessmentDoingpeerassessmentDoingpeerassessmentDoingpeerassessmentDoingpeerassessmentRevisingandEditingRevisingandEditingTherearemanyscientificprinciplesintheworldthatcanbetestedbysimpleandinterestingexperiments.Andtoday,IdecidedtodoonenamedMagicbottlewiththepurposeofprovingthattheairpressurereallyexists.RevisingandEditingRevisingandEditing…includingaboiledeggwhichwasnothotanymore,atransparentglassbottlewhoseneckwasabitsmallerthantheeggandsomehotwater.Wheneverythingwasready,theexperimentbegan.RevisingandEditingRevisingandEditing…Iremovedtheshellof…Icarefullypouredsomehotwater……Ipouredoutthehotwater.Firstofall,Iremovedtheshelloftheegg.RevisingandEditingRevisingandEditingSo,theexperimentprovedthattheairpressureindeedexistsanditisreallypowerful.Andatthesametime,Iobservedcarefullyandrecordedwhathappened.ReferenceversionTheexperimentisdesignedtoprovewhetherairpressurereallyexists.Atthebeginningoftheexperiment,Ipreparedthematerials,includingaboiledegg,aglassbottlewhoseneckisabitsmallerthantheegg,andsomehotwater.Withallthethingsprepared,theexperimentbegan.ReferenceversionFirst,Iremovedtheshelloftheegg.Then,Icarefullypouredsomehotwaterintothebottle,andshookthebottlegently.Afterafewminutes,Ipouredoutthehotwater.Justatthesametime,Iquicklyplacedtheeggontopofthebottle.Tomyamazement,theeggsqueezedintothebottleatonce.ReferenceversionAftertheexperiment,Icandrawtheconclusionthatairpressureindeedexists,anditisverypowerful.Itistheforceoftheairthatpushedtheeggintothebottle.HomeworkOption1.Studentspolishtheirexperimentreportsbyimitatingtheexampledisplayedinthisclass.Option2.Studentsdesignandimplementanewexperimentandwriteareportofit.