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Unit4AstronomyByUnit4AstronomyBy1BrainstormingInChina

BrainstormingInChina2InwesterncountriesInwesterncountries3READINGHowlifebeganontheearthThetextmaytellusthe___________oflifeontheearth.developmentREADINGThetextmaytellus4FastreadingMatchthemainideaPara1Para2Para3Para4Para5ThedevelopmentofplantsandanimalsontheearthTheimportanceofwaterforlifeTheappearanceofhumans

andtheireffectsontheearthTheformationoftheearthAwidelyacceptedtheoryabouttheformationoftheuniverseFastreadingMatchthemaini5Para2Theformationoftheearth

BigBangwateracloudofdustatmosphereasolidglobeexplosionGroupwork:Putthemintotherightorder①②③④⑤⑥Para2Theformationoftheear6Para3Theimportanceofwaterwaterlife

forlifetodevelopdissolveharmfulgasesandacids

RoleplayEarth:Imakeitpossible______________.Doyouenvyme?Mars:Ofcourse.Whynoonewantstolivewithme?Earth:BecauseIhave_______whileyouhaven’tnow.Mars:Whyisitsof____________?Earth:Becauseithelpsto________________________into_____________.Mars:Isee.That’swhypeoplealwayssaywherethereis_____,thereis______.oceansandseaswaterundamentalPara3Theimportanceofwaterw7Para4ThedevelopmentoflifeExtremelysmallplantsinwaterShellfishandallsortsoffishInsects(onland)Amphibian(onlandandinwater)GreenplantsonlandForestsReptiles(onland)Dinosaurs(onland)Mammals(onland)PlantsAnimalsoxygenPara4Thedevelopmentoflife8Thinking:Isitrighttoshowfilmswithdinosaursandpeopletogether?Canyougivemeyourreason?Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.Thinking:Becausedinosaurs9plants

animalswater

shellfish&fishinsectsamphibiansreptilesdinosaursmammalshumanbeingssmallplants

inwatergreenplants

onlandforestsHowislifechanged?landsimplecomplexafewkindsvariouskindsplantsanimalswatershellfish10Dowetakegoodcareoftheearth?Dowetakegoodcareoftheea11必修三Unit4-Astronomy公開(kāi)課一等獎(jiǎng)?wù)n件12Discussion:Whatcanwedotoprotectourearth?Samplesentences:1.WhatIwanttosuggestisthat…2.Whatisevenmoreimportantisthat…3.Itisessentialthatweshould…Discussion:Samplesentences:13Discussion:Discussion:14Onlyifweunderstand,canwecare;Onlyifwecare,willwehelp;

Onlyifwehelp,shallallbesaved.

——JaneGoodall

ReadtogetherOnlyifweunderstand,canwe151.Readingaloudthepassageafterclass.2.MakingaposterabouttheWorldEarthDay.Homework1.Readingaloudthepassagea16Unit4AstronomyByUnit4AstronomyBy17BrainstormingInChina

BrainstormingInChina18InwesterncountriesInwesterncountries19READINGHowlifebeganontheearthThetextmaytellusthe___________oflifeontheearth.developmentREADINGThetextmaytellus20FastreadingMatchthemainideaPara1Para2Para3Para4Para5ThedevelopmentofplantsandanimalsontheearthTheimportanceofwaterforlifeTheappearanceofhumans

andtheireffectsontheearthTheformationoftheearthAwidelyacceptedtheoryabouttheformationoftheuniverseFastreadingMatchthemaini21Para2Theformationoftheearth

BigBangwateracloudofdustatmosphereasolidglobeexplosionGroupwork:Putthemintotherightorder①②③④⑤⑥Para2Theformationoftheear22Para3Theimportanceofwaterwaterlife

forlifetodevelopdissolveharmfulgasesandacids

RoleplayEarth:Imakeitpossible______________.Doyouenvyme?Mars:Ofcourse.Whynoonewantstolivewithme?Earth:BecauseIhave_______whileyouhaven’tnow.Mars:Whyisitsof____________?Earth:Becauseithelpsto________________________into_____________.Mars:Isee.That’swhypeoplealwayssaywherethereis_____,thereis______.oceansandseaswaterundamentalPara3Theimportanceofwaterw23Para4ThedevelopmentoflifeExtremelysmallplantsinwaterShellfishandallsortsoffishInsects(onland)Amphibian(onlandandinwater)GreenplantsonlandForestsReptiles(onland)Dinosaurs(onland)Mammals(onland)PlantsAnimalsoxygenPara4Thedevelopmentoflife24Thinking:Isitrighttoshowfilmswithdinosaursandpeopletogether?Canyougivemeyourreason?Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.Thinking:Becausedinosaurs25plants

animalswater

shellfish&fishinsectsamphibiansreptilesdinosaursmammalshumanbeingssmallplants

inwatergreenplants

onlandforestsHowislifechanged?landsimplecomplexafewkindsvariouskindsplantsanimalswatershellfish26Dowetakegoodcareoftheearth?Dowetakegoodcareoftheea27必修三Unit4-Astronomy公開(kāi)課一等獎(jiǎng)?wù)n件28Discussion:Whatcanwedotoprotectourearth?Samplesentences:1.WhatIwanttosuggestisthat…2.Whatisevenmoreimportantisthat…3.Itisessentialthatweshould…Discussion:Samplesentences:29Discussion:Discussion:30Onlyifweunderstand,canwecare;Onlyifwecare,w

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