高中英语-how life begen on the earth教学课件设计

课程名称：Howlifebeganontheearth学科：英语年级：高一下册人民教育出版社

课程名称：Howlifebeganontheearth学科：英语年级：高一下册人民教育出版社TheSolarSystem1111天王星金星火星水星木星海王星土星地球Sun太阳Onwhichplanetaretherelivesatpresent?EarthHowdidlifebeginontheearth?Panguseparatesthe

skyfromtheearth盘古开天辟地Nuwamakeshumanbeingfromtheclay.女娲造人Eachreligionandculturehasitsownideasabouthowlifebeganontheearth.Godcreatedtheworldin7daysDoyouwanttoknowthescientists'ideas?HowlifebeganontheearthReadingFastreading

Task1.readthepassagequicklyandmatchthemainideawitheachparagraphParagraph1:Paragraph2:Paragraph3:Paragraph4:TheimportanceofwaterforlifeThedevelopmentofplantsandanimalsontheearthTheformationoftheearthAwidelyacceptedtheoryabouttheformationoftheuniversedcabe.Thearrivalofhumansandtheirimpactontheearth

Paragraph5:ePart1.theformationoftheearthPart2.thedevelopmentoflife(Para1,2,3)(Para4,5)

Task2.readthepassageagainandtrytodivideitintotwopartsaccordingtothegivenmainideas.2:21Detailedreading

细读Task1:ReadPart1(para.1-3)carefullyandfillintheblankswithproperwordsandphrasesPart1(para.1-3)Theformationoftheearth1.Theuniversebeganwith___________thatthrewmatterinall______.Afterittheearthwasjust_____________.2.between4.5and3.8billionyearsagothedustsettledinto_________Itexploded_______withfireandrockand__________toproducecarbon,nitrogen,watervaporandothergases__________weretomaketheearth’satmosphere.3.whentheearthcooleddown_______begantoappearedonitssurface,4.thecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseaswhichmade________possibleforlifetodevelop.abigbangdirectionswateracloudofdustwhichintimeloudlyasolidglobeit

Lookatthefollowingsentencesandfindoutwhatdoesitreferto1.Hefeelsithisdutytohelpothers2.Wethoughtitnousedoingthat.3.IthinkitveryimportantthatwelistentoEnglishmore

tohelpothersdoingthatWelistentoEnglishmoreTask2:Pleasereadpart2

andfillinthefollowingchart.

2.

andallsortsoffish4.insects(onland)5.

(onlandandinwater)7.reptiles(onland)8.(onland)9.(onland)Part2Howlifebeganontheearth3.greenplantson

6.forests1.smallplantsinwatershellfishamphibiansdinosaurslandmammals10.smallcleveranimalswithhandsandfeet

2:31

Human

Whydidtheplantsgrowbeforetheanimalscame?Theycanmakeoxygenforanimalstobreathe

Task3:puttheorderofdevelopmentoflifeintoatimeline

1.Insectsandamphibiansappeared.3.Theearthbecameasolidball.5.Reptilesappeared.7.Theearthwasacloudofdust9.Shellfishandotherfishappeared.11.Cleveranimalswithhandsandfeetappeared2.Dinosaursappeared.

4.Smallplantsgrewonthewater.6.Plantsbegantogrowondryland.8.Waterappearedontheearth10.Theuniversebeganwitha“BigBand”.12.Mammalsappeared.831091151741262Let‘srelaxandreviewthedevelopmentoflifebyenjoyingavideo.Arehumanbeingtakingcareoftheearthwell?Humanareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.阻止....做....\

Groupworkwhatcanwedototakecareoftheearth?Clue(提示)：planttreesUseless