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时间:2020-04-03
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1、英语科必修三第四单元导学案课题Unit4Astronomy:thescienceofthestars课型reading学习时间第6周第1课时教师寄语Ifyouthinkyoucan,youcan.Andifyouthinkyoucan’t,youareright.学习目标1、Knowtheoriginanddevelopmentoflifeontheearth2、Improvethestudents’readingskills3.Takeinterestinastronomyandimprovetheawarene
2、ssofprotectingtheearth学生自主活动材料课前知识储备:Step1:Warmingup:1.Howmanyplanetsarethereinoursolarsystem?Whatarethey?Onwhichplanetdoeslifeexist?2.Howdidlifecomeintobeing?Didyouhearanystory?StepⅡ.prediction:Guesswhatthetextwilltellusaccordingtothepicturesandtitleofthepass
3、age.StepⅢSkimming:Skimthepassagetoseewhetheryouarerightandmatcheachparagraphwithitsmainidea.Para1theimportanceofwaterforlifePara2thearrivalofhumansandtheireffectontheearthPara3awidelyacceptedtheoryabouttheformationoftheuniversePara4theformationoftheearthandapp
4、earanceofwaterPara5thedevelopmentofplantsandanimalsontheearthStepⅣCarefulreadingTask1:Readpara1topara3andanswerthequestions1.Howdidtheuniversebegin?2.Howdidwaterappearontheearth?3.What’stheimportanceofthepresenceofwaterontheearth?Task2:readpara4and5tolisttheco
5、rrectorderaboutthedevelopmentofplantsandanimalsontheearth(usethekeywords★)1234578961110Task3:Readthelastparagraphtofindoutwhatistheproblemcausedbyman.StepⅤDiscussion:“Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbes
6、olved.”Whatshouldwedotosolvetheproblem?StepⅥSummary:Guidestudentstosummarizewhattheyhavelearntinthislesson.StepⅦHomeworkWriting:Humanbeingsareputtingtoomuchcarbondioxideintotheatmosphere,anditcausesglobalwarming.Asastudentwhatshouldwedotolivealowcarbon-dioxide
7、life?学后反思:自我评价专栏(分优良中差四个等级)自主学习:合作与交流:书写:综合:
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