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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 4,Astronomy,the science of the stars,Unit 4Astronomythe science of,1,What are in the pictures?,What are in the pictures?,2,Mercury,Venus,Earth,Mars,Jupiter,Uranus,Saturn,Neptune,Do you know their origin?,Mercury Venus Earth Mars Jupit,3,Do you know the correct order of their distance to the sun?,nearest to,the sun?,farthest to,the sun?,Do you know the correct order,4,What interests you in astronomy?,What interests you in astronom,5,Quiz(,测验）,:,1.Who wrote the book The Origin of Species(,物种起源,)?,A.Issaac Newton B.Albert Einstein,C.Charles Darwin,2,、,How many big,planets,are there in,the Solar System?,A.7 B.8 C.9,3.Which one belongs to,amphibian(,两栖动物）,?,A.frog B.snake C.dinosaur,Quiz(测验）:1.Who wrote the book,6,4.Who is famous for the theory of Black Hole theory?,A.Hawking B.Newton C.Einstein,5.Which one belongs to,reptile,（爬行动物）,?,A.fish B.snake C.bird,4.Who is famous for the theory,7,8.On which planet are there lives at present?,A.the Venus B.the Earth C.the Mars,7.Which gas is the most important for life?,A.,carbon dioxide,(CO,2,),B.,oxygen,(O,2,),C.,nitrogen,(N,2,),6.Which one belongs to,mammal,（哺乳动物）,?,A.dinosaur B.dog C.fish,8.On which planet are there l,8,Whats the meaning of the word“,Astronomy,”?,I.Warming up,the science of stars;,the scientific study of stars and planets.,2.What words will you think of when we talk about this topic?,star,planet,the sun/moon/earth,solar system,恒星 行星 太阳 月球 地球 太阳系,3.How many planets are in the solar,system?,8,Whats the meaning of the word,9,Pluto,Scientists now think Pluto is,too small to be called a planet.,PlutoScientists now think Plut,10,II.Pre-reading,Have you ever asked your mother,“,Mom,where do I come from,”?,2.Nearly everybody has this or that puzzles:,How do human beings come into being?,How does the earth come into being?,3.In China,there are two legends,（传说）,about these puzzles.Do you know the names?,II.Pre-readingHave you ever a,11,盘古开天辟地 女娲补天造人,4.In the western culture,who creates everything in the world?,The God,盘古开天辟地 女娲补,12,III.Fast-reading,Do you believe in such stories?Are they based on science?,2.In this unit,well learn something more scientific.,3.Whats the title of the text?,4.From the title,we can predict that the text may tell us,the origin of life,on the earth.,How life began on the earth,III.Fast-readingDo you believ,13,5.Which question are you interested in in this text?,1)How old is the earth?,2)How does the universe begin?,3)Is there any water in the Mars?,4)When did dinosaurs disappear?,5)Which animal is the most important one on the earth?,Para.4,Para.2,Para.3,Para.5,Para.1,5.Which question are you inte,14,6.Conclude the main idea of each paragraph.,1)A widely _ about the _ of the universe.,2)The formation of the _.,3)The _ of water for life.,4)The development of _ and _ on the earth.,5)The arrival of _ and their _ on the earth.,theory,origin,earth,importance,plants,animals,humans,influence,/effect,6.Conclude the main idea of e,15,Paragraph 1:,1.A,widely accepted theory was put up with.,What is it?,The universe began with a,“Big Bang”that threw matter in all directions.After that,atoms began to form and combine to create stars.,Paragraph 1:1.A widely accept,16,A.The earths atmosphere was formed,B.Big Bang,C.The earth,exploded,and produced,kinds of gases,D.Water appeared,E.The earth cooled down,F.A cloud of energetic dust,G.Slowly combine into a,solid globe,1,2,3,4,5,6,7,Paragraph 2,:,Put these sentences into the right order.,A.The earths atmosphere was,17,Paragraph 3:,What does“Dissolve”mean?,“溶解”,Paragraph 3:What does“Dissolv,18,Which the following statements is true?,A.Unlike the earth,Mars had disappeared later.,B.Water was to be fundamental to the development of life once water turned up.,C.The continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.,D.Water made it possible for life to develop.,Which the following statements,19,water,Plants in the water,Shellfish and fish,Insects and amphibians,Reptiles,Dinosaurs,Mammals,Plants on land,waterPlants in the waterShellf,20,Detailed reading,This text can mainly divided into two stages,Stage 1:The development of the earth,Stage 2:The development of life,(para 13),(para 45),Detailed rea,21,Stage 1:The development of the earth,(1)After the Big Bang,what was the earth like?,a cloud of dust,a solid globe,Stage 1:The development of th,22,exploded with fire and rock,produced water,vapour and gases,(2)What happened next?,exploded with fire and rock pr,23,(3)What did the water vapour and gases,form?,the earths atmosphere,(3)What did the water vapour,24,Water appeared,(4)What appeared as the earth cooled down?,water is important for the beginning of life on the earth,.,Water appeared(4),25,Why is water so important for the beginning of life?,Because water allowed the earth to dissolve harmful gases into oceans and seas.,？,Why is water so important,26,Stage2
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