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1、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第1页/共25页solar system eight planets many comets other objects 第2页/共25页What are the English names of the eight planets that circle our sun?第3页/共25页第4页/共25页海王星海王星
2、 Neptune水星水星Mercury 金星金星Venus Venus 地球地球Earth Earth 火星火星Mars Mars 木星木星Jupiter 土星土星Saturn 天王星天王星Uranus 第5页/共25页第6页/共25页Pre-reading2.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.第7页/共25页Pangu
3、 separates the sky from the earth 第8页/共25页 中国神话传说中有盘古开天劈地的说法。巨人盘古用一把利斧劈开混沌,将天地分开。死后,他的气息化成风和云,声音变成轰轰的雷声,左眼化为太阳,右眼化为月亮,手足与四肢变成大地的四极与五方的名山,血液化成江河,筋脉铺成道路,肌肉形成田地,须发成为星星,牙齿和骨骼化为金属、珍珠、玉石,汗水成为滋润万物生长的甘霖和雨露。第9页/共25页Other legends about the beginning of universe第10页/共25页The Biblical AccountDay 1:God spoke and
4、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 第11页/共25页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 cre
5、ated the land animals and man Day 7:God rested and blessed this day calling it Holy 第12页/共25页How Life Began on the Earth第13页/共25页The Big Bang 第14页/共25页Para.1 Para.2Para.3Para.4Para.5Awidely accepted _ about how the universe was formedThe _ of the earthThe importance of _ for lifeThe_ of plants and a
6、nimals on the earthThe arrival of _ and their impact on the earththeory formationwaterdevelopmenthumansHow life began on the earthBefore life appeared.Different lives developed.第15页/共25页Part1(para13)Before life appeared According to a widely accepted theory,how did the stars form?How did the earths
7、atmosphere form?Why was the earth different from the other planets?What a role the water played in the development of life?第16页/共25页1.According to a widely accepted theory,how did the stars form?2.How did the earths atmosphere form?The universe began with a“Big Bang”that threw matter in all directio
8、ns,then atoms began to form and combine to create stars.The earth was so violent.It exploded loudly with fore and rock to produce carbon,nitrogen,water vapor and other gases,which were to make the atmosphere.第17页/共25页3.Why was the earth different from the other planets?4.What a role the water played
9、 in the development of life?Because the water on other planets had disappeared later.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第18页/共25页Part2(para45)How the life develop
10、ed 1.Make a timeline of the development of life 2.Why did the plants grow before the animals came?3.Why is it wrong in films and stories to show dinosaurs and people together?第19页/共25页1.2.3.4.5.6.small plants On surface of waterEarly shellfish and all sorts of fishgreen plants on land land animals i
11、nsects(on land)amphibian(on land and in water)Mammals-clever animalsforests reptiles(huge animal-dinosaurs)第20页/共25页 3.Why is it wrong in films and stories to show dinosaurs and people together?2.Why did the plants grow before the animals came?Because plants provide oxygen for animals to breathe.Bec
12、ause dinosaurs died out long before human beings developed on the earth.第21页/共25页A cloud of dust a solid ball presence of water on the water shellfish&other fish plants begin to grow on dry land insects and amphibians appear retiles appear dinosaurs appear mammals appearThe development of lifesmall
13、plants growon the water appearshellfish&other fishplants begin to grow on drylandinsects and amphibians appearreptiles appeardinosaurs appearmammals appear第22页/共25页 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.第23页/共25页第24页/共25页谢谢您的观看！第25页/共25页
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