高中英语《unit4 astronomy the science of the stars warming up & reading》导学案 新人教版必修3 (2)

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1、第三册第四单元第一课时阅读导学案Book3Unit4Astronomy:thescienceofthestarsWarmingUp&ReadingLearningGoals:1.Arousestudents’interesttosearchforthemysteryofspace.2.DevelopSs’readingability.StepI:LeadinTask1:GooverwordsaboutnamesofsubjectandscientistsinthesefieldsHey.Doyoulike...Doyouwanttobean/a...biology(生物学)biologist(

2、生物学家)chemistrychemist(化学家)Physicsphysicist(物理学家)geography（地质学）geologist(地质学家）musicmusicianpolitics(政治)politician(政治家)astronomy(天文学)astronomer(天文学家）Task2:Talkaboutsomethingaboutastronomy.Hereisthepictureofthesolarsystem.Canyoulocate(定位)theeightplanetsinthepicture?UranusVenusEarthMarsMercuryJupiterNep

3、tuneSaturnsolarsystemTheyare:、、、、、、、、ResearchinclassReadthetextbookinPage25“Howlifebeginonearth”.Step2Thinking&Discussing(1)Scanandpredict.Whatisthepassageabout?Itisabouthowontheearth.(2)SkimandfindthemainideaofeachparagraphPara.1Thearrivalofhumansandtheirimpactontheearth.Para.2Thedevelopmentofplant

4、sandanimalsontheearth.Para.3Awidelyacceptedtheoryabouttheformationoftheuniverse.Para.4Theformation(形成)oftheearth.Para.5Theimportanceofwaterforlife.(1)Carefulreading:readthetextcarefully,thenfillinthechatof“Howlifebeganontheearth”1smallplantsinwaterwater32shellfishandallsortsoffish64511.human10.7rept

5、iles(onland)89Step3Discussingandpresentingyouranswerstoyourgroupmats.Step4TestingTrue(T)orFalse(F).1.TheearthappearedbeforetheBigBanghappened.2.Theoriginalatmosphereconsistedofnitrogenandoxygen.3.Themaindifferencebetweentheearthandotherplanetsisthatthereiswaterontheearth.4.Lifebeganinwaterandthenonl

6、and.5.Mammalsappearedbeforethedevelopmentofdinosaurs.6.Dinosaurscouldgivebirthtoyoungbabyanimalsandproducedmilktofeedthem.7.Humanbeingsproducetoomuchcarbondioxidewhichcausestheglobalwarmingontheearth.8.Accordingtothetext,humanbeingswoulddisappearintheend.Readingcomprehension1.Howwerestarsandotherbod

7、iescreated?A.Atomscombinedtocreatethem.BCloudsofdustcombinedtocreatethem.C.Watercombinedtocreatethem.D.Gasescombinedtocreatethem.2.Whichisthemostimportantforlifeappearingontheearth?A.FireB.RockC.Water