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Unit4Astronomy:the science of the starsReadingTeaching aimsKnowledgeaimsGet studentsto learnthe usefulnew wordsand expressionsin thispart:theory,atom,billion,globe,violent,carbon,atmosphere,fundamental,harmful,acid,multiply,oxygen,exist,prevent,dioxide Abilityaimsa.Enable Ssto talkabout thescienceof thestars.b.Enable Ssto understand the development of life.c.Develop Ssreading abilityEmotionaimsTrain Ssinterest inscience andstimulate theirlove forastronomy.Teaching importantpointsGet Ssto learndifferent readingskills.Teaching difficultpointsGet Ssto readand understand the readingtext.Teaching aidsArecorder,a computerand aprojector.Teaching proceduresStepI Lead-in andWarming upT:Hello,everyone!Today wellcome toUnit4Astronomy.Before thatI havea question:What isastronomyAstronomy isthe scientificstudy of the universeand theheaven bodiessuch asthe sun,the moon,and stars,gas,and dustwithin it.T:Do you know the solar systemWhat arethe namesof theeight planetsthat circlethesun in thesolar system水星金星地球火星Mercury VenusEarth Mars木星土星天王星海王星Jupiter SaturnUranus Neptune说明用展示太阳系八大行星的图片,引起学生兴趣PPTStep IIPre-readingl.Each religionand culturehas itsown ideasabout howlife beganon earth.What doyouknowA.Pangu separatesthe skyfrom the earthThe sky and the earth wereat firstone blurredentity likean egg.Pangu wasborninto it.The separationof the skyand the earthtook18,000years-the Yangwhich waslightand purerose to become the sky,andtheYin whichwas heavyand murkysank toformthe earth.Between themwas Pangu,who wentthrough ninechanges everyday,his wisdom,greater than that of theskyand hisability greaterthanthatof the earth.Every daytheskyrose ten feet higher,the earthbecame tenfeet thicker,and Pangugrewtenfeettaller.Another18,000years passed,and therewas an extremely highsky,anextremelythick earth,and anextremely tallPangu.Then camethe ThreeEmperorsthe Emperor oftheSky,the EmperoroftheEarth,andtheEmperorofthe Men.So thesenumbers cameinto existenceand evolvelike this.The numberbegins withone,becomes establishedat three,is completedat five,prospers atseven,and endsinnine.So thesky isninety thousandli fromthe earth.B.The BiblicalAccount“In thebeginning Godcreated theheavens andthe earth.The earthwas formlessandempty,darkness wasover thesurface ofthe deep,andthespirit ofGod washoveringover the waters.And Godsaid.../Day1:God spokeand separatedlight fromdarkness creatingDay andNightDay2:God spokeand separatedthewatercreating skyand oceanDay3:God spokeand createddry landDay4:God spokeand createdthesun,moon andstarsDay5:God spokeand createdliving creaturesin theair andseaDay6:God spokeand createdthe land animals andmanDay7:God restedand blessedthis daycalling itHoly
2.Read thetitle andlook atthe pictures.Predict whatthe readingwill beabout.展示图片,让学生对阅读内容做预测PPTStep IHReadingA.SkimmingRead the text quicklyand matchthe mainidea witheach paragraph.Para.l:A widelyaccepted theoryabout the formation ofthe universePara2:The formationofthe earthPara.3:The importanceof waterfor lifePara.4:The developmentof plantsandanimalson the earthPara.5:The arrivalof humansand theirimpact on the earthB.Scanning
1.When didthe“Big Bang“happenIt happenedseveral billionyears ago.
2.What madeup the earths atmosphereafter theearth explodedCarbon,nitrogen,water vapourand othergases.
3.Whats thesignificance ofthe presenceof wateron theearthIt allowedtheearthto dissolveharmful gasesand acidsinto theoceans andseas.
4.What madepossible therise ofmammals onthe earthThedisappearance ofdinosaurs madepossible therise ofmammals ontheearth.
5.Why aremammals different from alllife formsin thepastThey gavebirth to young baby animals and produced milk to feed them.C.Close readingI.Read thetext andfill in the blanksin theform on PPT.展示地球形成的过程,学生看图填词,加深对课文的印象PPTII.Answer thefollowing questions.
1.Why wastheearthdifferentfromthe otherplanetsBecause waterremained ontheearth.
2.Why didthe plantsgrow before the animalscameBecause plantsprovided oxygenfor animalsto breathe.
3.Why isit wrongto showfilms withdinosaurs andpeople togetherBecausedinosaurs diedout longbefore human beings developedontheearth.
4.There usedtobenine planetsinthesolarsystem.Recently scientistshave decidedthatone ofthem canno longerbe considereda planet.Do youknow thename ofthatplanet Doyouknowwhy theyremoved itThename isPluto.Scientists nowthink itis toosmall tobe calleda planet.
5.What problemis causedby humanbeingsHuman beingscause globalwarming.III.True Tor FalseF.F
1.The earthappeared beforethe BigBang happened.F
2.The originalatmosphere consistedof nitrogenand oxygen.T
3.The maindifference betweentheearthand otherplanets isthat thereis wateronthe earth.T
4.Life beganin waterand thenon land.F
5.Mammals appearedbeforethedevelopmentofdinosaurs.F
6.Dinosaurs couldgive birthtoyoungbabyanimalsandproducedmilktofeedthem.T
7.Human beingsproduce toomuch carbondioxide whichcauses theglobal warmingontheearth.F
8.According tothetext,humanbeingswould disappearintheend.Step IVPost-Reading
1.Get Ssto retellthe passageaccording totheformonPPT.
2.DiscussionWe haveonly oneearth!What shouldwe dofor ourearth。