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,*,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 4,Astronomy,is the scientific study of the,universe,and the heaven bodies(such as the sun,the moon,and stars),gas,and dust within it.,astronomer,Astronomy is the scientific st,solar system,eight,planets,many comets,other objects,solar system eight planets,What are the,English,names of,the eight planets that circle our sun?,solar system,What are the English names of,海王星,Neptune,水星,Mercury,金星,Venus,地球,Earth,火星,Mars,木星,Jupiter,土星,Saturn,天王星,Uranus,海王星 水星金星地球火星木星土星天王星,Pre-reading,2.Each religion and culture has its own ideas about how life began on earth.What do you know?,In China,we all know that Pangu separates the sky from the earth.,Pre-reading2.Each religion an,Pangu separates the sky from the earth,Pangu separates the sky from t,The Goddess Nuwa mended the heaven and created human beings,from the clay(,粘土,).,The Goddess Nuwa mended the he,Day 1:,God spoke and separated light from darkness creating Day and Night,Day 2:,God spoke and separated the water creating sky and ocean,Day 3:,God spoke and created dry land,Day 4:,God spoke and created the sun,moon and stars,Day 5:,God spoke and created living creatures in the air and sea,Day 6:,God spoke and created the land animals and,man,Day 7:,God rested and blessed this day calling it Holy,God created the world in seven days,:,Day 1:God spoke and separated,Day 4:,God spoke and created,the sun,moon and stars,Day 5:,God spoke and created,living creatures,in the air and sea,Day 6:,God spoke and created the land,animals and,man,Day 7:,God rested and blessed this day calling it Holy,Day 4:God spoke and created t,How Life Began on the Earth,How Life Began on the Ear,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),Reading for structure:,This text can mainly divided i,Reading for information:Para 1,1.What is the widely accepted theory?,A Big Bang that threw matter in all directions.,2.What has happened after that?,Atoms began to form and combine to create stars and other bodies.,A Big Bang,atom,stars,Reading for information:Para,Reading for information:Para 2,For several million years after the Big Bang.,a cloud of dust,between 4.5 and 3.8years ago,a solid globe,it exploded with fire and rock,carbon dioxide,nitrogen,water vapour,.,other gases,make the earths atmosphere,Whats even more important?,The earth cooled down and,water,began to appear on its surface.,Reading for information:Para,Reading for information:Para 3,Water appeared on the _,besides that,water had also appeared on other planets like_,but it had _ later.,earth,Mars,disappeared,What a role the water played in the development of life?,The presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.This produce a chain reaction which made it possible for life to develop,Reading for information:Para,Stage2 The development of life,Stage2 The development of lif,Reading for information:Para 4-5,Make a timeline of the development of life:,ertremely,small plants appears in water,Shellfish and all sorts of fish,green plants began to grow on land,land animals:,insects&hibians,forests,reptiles appeared,dinosaur,the rise of,mammals,small clever animals,with hands and feet,Reading for information:Para,Reading for information:Para 4-5,1.Who are the small clever animals with,hands and feet?,2.Are they taking care of the earth well?Why?,Because they are putting too much carbon dioxide into the atmosphere,which prevents heat from escaping from the earth into space.,Human Beings,The earth became too hot to live on,Reading for information:Para,1.Retell the passage according to the form.,2.Suppose you were the earth,what would you advise humans to do?Write a letter to the human being.,Homework,1.Retell the passage accordi,知识回顾,Knowledge Review,祝您成功！,知识回顾Knowledge Review祝您成功！,