河北省抚宁县第六中学高中英语《Unit4Astronomythescienceofthestars》reading教案（1）新人教版必修3一、教案背景1，课时：1课时2，学生课前准备：尽可能多的搜集有关天文学的知识二、教学重点Developstudents’readingandspeakingskills.三、教学难点Enablestudentstolearntousereadingstrategiessuchasskimming,scanning,andsoon.四、三维目标技能目标1.Getstudentstolearnsomeusefulnewwordsandexpressionsinthispart.2.Getstudentstoreadthetext...方法目标Developstudents’readingskillsandenablethemtolearnhowtousedifferentreadingstrategiestoreaddifferentreadingmaterials.情感目标1.Stimulatestudents’interestsoflearningEnglishbyreadingthetext.2.Developstudents’senseofgroupcooperationandteamwork.3.letstudentslearnabouthowlifebeganonearthandtheimportanceofprotectingtheearth.五、教学方法：小组合作探究六、教具：多媒体七、教学过程Warming-upandreadingStep1Revision1.Checkthehomeworkexercises.2.AsksomestudentstoreadthewordsofU4.Step2.Scanning[1.matchthemainideawitheachparagraph.Para.1formation(形成)oftheearth.Para.2Theimportanceofwaterforlife.Para.3Awidelyacceptedtheoryabouttheformationoftheuniverse.Para.4Thearrivalofhumansandtheirimpactontheearth.[Para.5Thedevelopmentofplantsandanimalsontheearth.2.Dividethetextinto2partsStage1:Thedevelopmentoftheearth(para___—___)1Stage2:Thedevelopmentoflife(para___—___)Step3.Carefullyreading1.Finishthefollowingtasks.Stage1:Thedevelopmentoftheearth(1)AftertheBigBang,whatwastheearthlike?It’sstilljust________________.Thedustsettledintoa___________.(2)Whathappenednext?It________withfireandrockandproduced______,_______,_____________andother______.(3)Whatdidthewatervapourandgasesform?______________________.(4)Whatappearedastheearthcooleddown?_______appearedWhyiswatersoimportantforthebeginningoflife?__________________________________________________________________________________________________________________________________________Stage2Thedevelopmentoflife(1)Whatlifedevelopedafterwaterappeared?___________appearsinwater(2)Whatlifedevelopedinwaternext?_________andallsortsof___(3)Whataboutthelifeonland?_______and__________appeared(4.)Whatlifedevelopednextonland?Theplantsgrewinto______,_______appearedand_________developed.(5)Whatlifedevelopedafterdinosaurs?_________onland(6)Whatlifedevelopedaftermammals?___________animals①Whoarethesmallcleveranimalswithhandsandfeet?_________②Aretheytakingcareoftheearthwell?Why?__________________________________________________________________________________________________________________________________________2.Canyouputtheorderofdevelopmentoflifeintoatimeline?()(1)Insectsandamphibiansappeared.()(2)Dinosaursappeared.()(3)Theearthbecameasolidball.()(4)Smallplantsgrewonthewater.()(5)Reptilesappeared.()(6)Plantsbegantogrowondryland.()(7)Theearthwasacloudofdust()(8)Waterappearedontheearth()(9)Shellfishandotherfishappeared.()(10)Theuniversebeganwitha“BigBang”.()(11)Cleveranimalswithhandsandfeetappeared()(12)Mammalsappeared.3.Fillintheblanksinthefollowingform.2TimeWhathappenedBigBang______begantoformandcombinetocreatestarsandotherbodies.Between4.5and3.8billionyearsago●Dustsettledintoasolidand______globe.●Theearthexplodedtoproduceits___________.●Thecontinued________ofwaterallowedtheearthtodissolveharmfulgasesand_____intotheoceansandseas.Manymillionsofyearslater●Thefirstsmallplantsonthesurfaceofthewaterproduced_______.●Early_______andallsor...
