2023学年完整公开课版Unit4Astronomythescienceofthestars同课异构

Unit4Astronomy:thescienceofthestars

Period6Usinglanguage:Speakingandwriting整体设计教材分析Thisisthesixthteachingperiodofthisunit.Theteachercanfirstcheckthehomework,letstudentsreviewwhattheylearnedinthelastlessonandthenleadinthenewlesson.Inthisperiod,theteachingactivitieswillfocusonspeakingandwriting.Theseactivitiesofferstudentstheopportunitytodiscusswhattheyneediftheytraveltothemoon.Iftheyweregoingoffonaholidaytheywouldtakemanyclothes,shoes,creamsandlotions.Butforspacetheyneedspecializedequipment.Itisalsoagoodopportunityforadiscussionaboutthepainsandpleasuresthatmightoccurwhentravellinginspace.Dostudentsthinkthesciencefictionstoriesinthisunitportraythedifficultiesofspacetravelaccurately?Iftheydon’t,inwhatwaytheyfail?Ifstudentswishtoberemindedofthedangersofspacetravel,theycanwatchthefilm“Apollo13”aboutanAmericanspacemissionthatwentwrong.Onlytheingenuityandcommitmentoftheastronautsandtheirhelpersonthegroundpreventedatragedy.Thepracticeofspeakingandwritingisimportantforstudentstousethevocabularyandstructurestheyhavelearned.Thisisalsoabestwaytotestifstudentshavemasteredwhattheyhavelearned.Encouragetheminpairstodiscusswhattheyneediftheytraveltothemoon,makealistoftheirideasandtakepartinaclassdiscussiontofindthebestones.Remindthemtousethewordsandexpressionsofgivinginstructions.Thenletthemwriteashortarticleexplainingoneoftheproblemsthattheymighthaveonthemoonandsetoutwhattheyshoulddotoovercomethisdifficultyandhaveahappyvisit.Speakingandwritingarehigherstagesoflanguagelearning.Theteachershouldfrequentlygivestudentssomeassignmentsofspeakingandwriting.Onlyinthiswaycanstudentsusewhattheyhavelearnedmorefreely.教学重点1.Developstudents’speakingandwritingabilities.2.Letstudentslearnhowtogiveinstructions.3.Getstudentstolearntowriteashortarticletoshowtheirproblemsandthewaytoovercomethem.教学难点1.Howtodevelopstudents’speakingability.2.Howtodevelopstudents’writingability.三维目标知识目标1.Getstudentstolearnmoreaboutwhattheyneediftheytraveltothemoon.2.Letstudentsknowhowtogiveinstructions.3.Havestudentsknowhowtowriteashortarticletoshowtheirproblemsandthewaytoovercomethem.能力目标1.Trainstudents’speakingabilitybydiscussingwhattheyneediftheytraveltothemoon.2.Developstudents’writingabilitybylearningtowriteashortarticletoshowtheirproblemsandthewaytoovercomethem.情感目标1.Enrichstudents’knowledgeofspacetravelandstimulatetheirinterest.2.Trainstudents’abilitytocooperatewithothers.教学过程→Step1Revision1.Checkthehomeworkexercises.2.AsksomeofstudentstoretellthepassageAVISITTOTHEMOON.→Step2Warmingup1.Tellstudents:Asweknow,lifeisdifferentinaspaceship.Thereisverylittlegravitysothatthingsfloataround.2.Letthembrainstormthequestion:Ifweweregoingtothemoon,whatwouldweneed?(spaceship,spacesuit,water,oxygenproducer,aspacecamera...)→Step3Speaking1.Letstudentsinpairsdiscussthefollowingsituationandfillinthechart.Whatyouneedifyoutraveltothemoon:toprotectyourskintostopyouflyingoffthemoon’ssurfaceandintospacetostopyourfoodfloatingawaySuggestedanswers:toprotectyourskinspacesuittostopyouflyingoffthemoon’ssurfaceandintospacearopetotieyoutothespaceshiptostopyourfoodfloatingawayspacefoodthatyoucaneateasily2.Studentsworkinpairsandgiveeachotheranumberof“dos”and“don’ts”forgoingtothemoon.Whenfinished,choosethebestideasandreadthemouttotheclass.3.Showthewordsandexpressionsonthescreentohelpthem:DosDon’tsPleasepayattentionto...Pleasecheckthat...Makesurethat...You’dbetter...Watchoutfor...Youmust...Youneed...Pleaselookat...Youmustn’t...Pleasedon’t...Rememberneverto...Don’tforgetto...→Step4WritingTask:Writeashortarticleexplainingoneoftheproblemsthatyoumighthaveonthemoonandsetoutwhatyoushoulddotoovercomethisdifficultyandhaveahappyvisit.1.BrainstormingforwritingLetstudentsbrainstormthequestions:Whatproblemsmightwehaveonthemoon?Howdoyousolvethem?2.MakingawritingplanAskstudentstomaketheirwritingplanlikethis:Mainidea:explainthethreeproblemsyouwillhavewhilevisitingthemoon.Paragraph1:oneoftheproblemsyoumighthaveonthemoon.Paragraph2:howyouwillsolveit.Summingup:howsuccessfultheholidaywillbeifyoufollowthisadvice.3.Havestudentswritetheirarticle.4.Letsomeofthemreadtheirarticletotheclass.Othersshouldgivecomments.Samplearticle:IfIvisitedthemoon,Imighthavetheproblem:howtomovearound.IwouldfinditdifficulttomovearoundonthemoonasIwouldweighone-sixwhatIweighontheearth.ThismeansIwouldbouncelikeaballoonifItrytowalk.IwouldhavetolearntowalkdifferentlysothatIdon’tfallover.IfIfollowthisadvice,IthinkIwillhaveahappyvisitonthemoon.→Step5Speakingtask1.Supposeyou,aschoolnewspaperjournalist,aregoingtointerviewLiYanpingafterhisreturntotheearth.2.Letstudentsgetwellpreparedfortheinterview:1)Readthefollowingquestionsaloudandgettheanswers.2)Workoutsomemorequestionsandtheiranswers.3.Havethemrole-playinpairs.Onewillimaginehe/sheisthejournalistandaskquestions.Theotherwillimaginehe/sheisLiYanpingandanswerthequestions.Thenchangeroles.4.Asksomepairstopresenttheirinterviewtotheclass.Suggestedquestions:1.Whatwasthemostunexpectedthingyoufoundoutaboutthe“blackholes”?2.Ifyoucannotseea“blackhole”,howdidyouknowyouhadreachedone?3.Whatwasthemostfrighteningthingthathappenedtoyouonthisjourney?Possibleanswerstothequestions:1.Mostunexpectedthing:the“blackhole”threwoutmaterialaswellasswallowingobjects.2.Knowingwhenwereachedit:Youonlyknowyouareclosetoablackholebyseeingthingsdisappearintowhatappearstobeanemptyspace.Theblackholecannotbeseen.3.Mostfrighteningexperience:whenthegravityofthe“blackhole”waspullingusslowlyintoits“mouth”,andthenthespaceshipmovedaroundtheholeandbegantogofasterandfasterintoit;IwasterrifiedbecauseIthoughtwewouldbeswallowedbythe“hole”.→Step6Writingtask1.Askstudentstowriteanarticletellingtheirteacherandclassmatesabouttheirideasandhopesfortravelinginspace.2.Whenmostofthemfinish,letsomereadtheirarticletotheclass.Theteacherandothersshouldgivecomments.Samplewriting:Iwouldliketovisittheplanet,Venus,ifIhadopportunitytogointospace.IhavealwayswantedtovisititeversinceIfirstfoundoutwhichstaritwasinthenightsky.Ithinkitwouldtakemealongtimetogetthere.SoIwouldneedaspaceshipwithlotsofdistractions.ItwouldbeveryimportantformeexerciseonmyjourneytoVenussoIwouldneedagymandaswimmingpool.ThenmymuscleswouldbestrongwhenIreturntotheearthtotellmystory.IhopethatIwillseemanyexcitingthingsonVenus.IloveheatbutIunderstanditisextremelyhotthere.Myspacesuitwillhavetobeabletowithstandheatofover1000degreesandnotmelt.ItwouldbewonderfulifIcouldpassclosetothemoononmywaytoVenus.IwouldliketobeabletoseethefirstfootprintsleftbytheAmericanastronautsandfindtheplacewheretheylanded.Iwillbeabletoseethatbecausetheyleftaflagonthesurface.IexpectthatwhenIgetthereVenuswillbeverycloudy,hotandhumid.Ishallneedspecialclothestowearandairtobreathe.IwouldliketobethefirstastronauttowalkonVenusandplotitsgeography.Thatwouldbewonderfulformeaswellasmycounty.IhopeIwillbecleverenoughtotakepartintheChinesemannedspacemissionswhenIamoldenough.→Step7Homework1.FinishofftheWorkbookexercises.2.ReviewthecontentsoftheunitandcompleteSummingUponPage32.板书设计Unit4Astronomy:thescienceofthestarsSpeakingandwriting1.Writingtask:Writeashortarticleexplainingoneoftheproblemsthatyoumighthaveonthemoonandsetoutwhatyoushoulddotoovercomethisdifficultyandhaveahappyvisit.2.Writingplan:Mainidea:explainthethreeproblemsyouwillhavewhilevisitingthemoon.Paragraph1:oneoftheproblemsyoumighthaveonthemoonParagraph2:howyouwillsolveitSummingup:howsuccessfultheholidaywillbeifyoufollowthisadvice.活动与探究GotothelibraryandsurftheInternettofindinformationanddosomeresearchtoexplainwhythereislifeontheearth.Youarerequiredtowritearesear