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1、Astronomy: the science of the stars,Period one,Warming up&reading,Warming Up,What subjects do you learn at school?,Chinese English mathematics physics history,geography physics biology chemistry,brainstorming,geophysics,biochemistry,astronomy biochemistry geophysics medicine,_ the scientific study o
2、f treatment of diseases and injures _ the study of the chemistry of living things _ the scientific study of the earths atmosphere, oceans and climate _ the scientific study of objects in space, such as planets, stars, comets and “black holes”,astronomy,medicine,biochemistry,geophysics,Astronomy is t
3、he scientific study of the universe and the heaven bodies (such as the sun, the moon, and stars), gas, and dust within it.,astronomer,The Solar system,eight planets many comets other objects,地球 _ 木星 _ 火星 _ 水星 _ 海王星 _,F. 冥王星 _ G. 土星 _ H. 天王星 _ I. 金星 _,Earth,Jupiter,Mars,Mercury,Neptune,Pluto,Saturn,U
4、ranus,Venus,The earths atmosphere,The earths atmosphere,nitrogen,oxygen,dioxide,carbon,surface,vapour,The earths atmosphere,Presentation,HOW LIFE BEGAN ON THE EARTH?,Pangu separates the sky from the earth,Nuwa makes human beings,The Big Bang,How many parts can the text be divided into?,Two parts: Pa
5、rt 1 (para 1) Part 2 (para2.3.4),Water made it possible for life begin to develop.,The development of living things.,Energetic dust,A solid ball,Explode,atmosphere,water,Water made it possible _,for life to begin to develop.,2,1 small plants in water,3 green plants on land,4 5,6 forests,7 8 9,2 shel
6、lfish and all sorts of fish,4 insects (on land),5 amphibians (on land and in water),7 reptiles (on land),8 dinosaurs (on land),9 mammals (on land),_made it possible for life to begin to develop.,Water,Later _ appeared.,land animals,insects,amphibians,When plants grew into forests, _ appeared for the
7、 first time.,reptiles,Some huge animals, called _, developed.,dinosaurs,When dinosaurs disappeared, _ became more important.,mammals,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 dinosa
8、urs appear mammals appear,The development of life,insects and amphibians appear,retiles appear,dinosaurs appear,mammals appear,Exercises,Read paragraph 2 to 4 carefully and finish the following form.,How life began on the earth,1. small plants in water,2. shellfish and all sorts of fish,3. green pla
9、nts on land,4. insects(on land) 5. amphibians (on land and in water),6. forests,7. reptiles(on land) 8. dinosaurs(on land) 9. mammals(on land),10. small clever animals with hands and feet,11. human,Because the water reminded on the earth. Because plants provide oxygen for animals to breathe. Because
10、 dinosaurs died out long before human beings developed on the earth. The name is Pluto. Scientists now think it is too small to be called a planet. Human beings caused global warming.,Check the answers on P27,10 7 3 8 4 9 6 1 5 2 12 11,2.,3.,Group work,What problems have been caused by humans to the
11、 earth? How to protect the earth and make it a better place to live on?,As a student, what little things can we do for the earth?,Discussion,Whether life will continue on the earth depends on human beings.,Only if we care will we help, only if we help shall all be saved!,Homework 听写astronomy-dioxide 2. 书上P28 第题 1. solid; violent; astronomy; generally speaking; preventfrom; planet; development; explode; surface, method,Conclusion,
