Unit4Astronomy省公共课一等奖全国赛课获奖课件.pptx

曹县一中 刘伟第1页第2页Pangu separates the sky from the earthPanGu第3页The Goddess Nuwa mended the heaven and created human beings第4页Reading What is the passage about?Its about _on the earth.the development of life第5页Match each paragraph with its main idea.(连线)Para 1Para 2Para 3Para 4Para 5A).The importance of water for lifeB)A widely accepted theory about the formation(形成形成)of the universeC)The arrival of humans and their impact on the earthD)The formation of the earthE)The development of plants and animals on the earth第6页Para 1Para 2Para 3Para 4Para 5A widely accepted theory about the formation of the universeThe formation of the earthThe importance of water for lifeThe development of plants and animals on the earthThe arrival of humans and their impact on the earthPart 1 The development of the earthPart 2 The development of the lifeMainbody第7页 1.After the“Big Bang”,what was the earth like?3.Why was the earth different from other planets?A.It produced much heat.B.The water remained.C.Water disappeared.D.It was the oldest planet.2.What appeared when the earth cooled down?Part 1(Para.1-3)第8页1.After the Big Bang,what was the earth like?a cloud of dust a solid globe Part 1(Para.1-3)第9页 water2.What appeared when the earth cooled down?第10页Hangzhou Foreign Languages School Bao Xiaoming 3.Why was the earth different from other planets?A.It produced much heat.B.The water remained.C.Water disappeared.D.It was the oldest planet.第11页第12页第13页2 _1 small plants in water3 green plants on land4 _5 _6 forests7_8_9_2 shellfish and all sorts of fish4 insects(on land)5 amphibians(on land and in water)7 reptiles(on land)8 dinosaurs(on land)9 mammals(on land)lifeplantsanimalsPart2:(Para.4-5)第14页reptilesamphibianamphibians s and insects and insectsdinosaursdinosaurs mammals第15页Man had evolved(进化）进化）from apes（猿）（猿）.第16页第17页waterland complex simpleFrom the pictures above,we can know life changes fromto few kindsa wide varietyadvancedlow第18页 After the“big bang”,the earth was still just a cloud of _.Then it _with fire and rock,which were _ to produce many gases.As the earth cooled down,_ appeared.dustexplodedin timewater第19页Hangzhou Foreign Languages School Bao Xiaoming Then _ grew.They multiplied and filled the oceans and seas with _.Many millions of years later the first _ _began to appear on land.When the plants grew to forests,_ appeared for the first time.They produced young by _.When dinosaurs disappeared,_appeared,which were very different from other life forms.Finally,_ appeared,but they may make the earth become _ to live on.small plantsoxygengreen reptileslaying eggsmammalsplantstoo hothuman beings第20页Hangzhou Foreign Languages School Bao Xiaoming 第21页说说吧说说吧As a student,what can we do for the earth?第22页Only if we care will we help,only if we help shall we be saved!第23页 If you are an astronomer now,please give a speech about the development of life.第24页Thank you very much.Goodbye!第25页