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1、Unit4Astronomy:thescienceofthestarsTeachinggoals教学目标1Targetlanguage目标语言a重点词汇和短语explore,characteristicsb重点句子Writeashortarticleexplainingthreeproblemsyoumightmeetonthemoon..Youmayaskthefollowingquestionsaswellasworkoutsomemore.2Abilitygoals能力目标EnabletheSstowriteana
2、rticleaboutyourideaorhopesfortravelinginspace.3Learningabilitygoals学能目标HelptheSstolearnhowtowriteapassage.Teachingimportant&difficultpoints教学重点和教学难点TeachtheSshowtowriteanarticleaboutaspacetravel.Teachingmethods教学方法Task-basedlearningDiscussion.Teachingaids教具准备apro
3、jector,aputerTeachingprocedures&ways教学过程与方式StepIWritingThepurposeofthiswritingisforstudentstothinkaboutwhatkindofequipmenttheywouldneedtobesafeinspace.It’sagoodopportunityforadiscussionaboutthepainsandpleasuresthatmightoccurwhentravelinginspace.Afterthediscussion
4、,theycanwritedowntheproblemsandthewaytosolvethem.T:Ifyouaregoingoffonaholiday,whatwillyoutake?S1:Iwilltakeclothes,shoes,foodandmanyotherthings.T:Butforspacetravel,youneedspecializedequipment.Whatequipmentshouldyoutake?Wehavediscussedtheminlastlesson.Whocananswert
5、hisquestion?S2:oxygencan,spacesuit,gravityboots,watersystem,specialfood.,specialropes,spacebuggy,sunglassesandspacecamera.T:Wetakesomanythingswithusinordertoavoidmanydangers.Whatarethedangers?Ifyoudon’tknowmanyenough,let’swatchthefilm“Apollo”.It’safilmaboutanAmer
6、icanspacemissionthatwentwrong.Afterthat,youshouldwritedownthedangersandthewaytosolvethem.(Watchthefilm.)Samplearticle:IfIvisitedthemoon,Imighthavethreeproblems:howtobreathe,howtoeatandhowtomovearound.IwouldhavetocarryallmyairwithmeifIwenttothemoon.Thisisbecauseth
7、emoonhasnoairofitsown.SoIwouldneedoxygentanksplacedonmybacksoIcouldbreatheallthetime.IwouldhavetotakeallmyfoodwithmeifIwenttothemoon.Inthespaceship,thereisnogravitysothefoodwouldfloataround.So,IwouldmakesurethatitisspeciallymadeasspacefoodandthenIwouldbeabletoeat
8、iteasily.IwouldfinditdifficulttomovearoundonthemoonasIwouldweighone-sixthwhatIweighontheearth.ThismeansIwouldbouncelikeaballoonifItrytowalk.Iwouldhavetolearnto
