1、Unit 4 Astronomy: the science of the stars,地球 _木星 _火星 _水星 _海王星 _,F.金星 _G. 土星 _H. 天王星 _I.冥王星 _,Earth,Jupiter,Mars,Mercury,Neptune,Pluto,Saturn,Uranus,Venus,astronomy,astronomers,telescope,What subjects do you learn at school?,ChineseEnglish mathematicsphysicschemistry,geographybiologyhistorypolitics,
2、physics,mathematics,chemistry,biology,geography,Science subjects,Warming up,geophysicsgeology physics 地质学,astronomy physics mathematics,地球物理学,Some science subjects will study two or more of these subjects.,Common sense of science subjectsCan you understand the following combined science subjects?,bi
3、ology+chemistry=biochemistry( ) /medicine( )geopolitics （地缘政治学）=_+_bioengineering(_)=_+_,生物化学,医学,geology,politics,生命工程学,biology,engineering,Astronomy biochemistry geophysics medicine,_the scientific study of treatment of diseases and injuries._ the study of the chemistry of living things._ the scien
4、tific study of the earths atmosphere, oceans and climate._ the scientific study of objects in space, such as planets, stars, cometsand “black holes”,Astronomy,biochemistry,geophysics,medicine,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of
5、life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mamm
6、als(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（
7、贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.p
8、lants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures an
9、d tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (
10、生命的种类/物种)Look at the pictures and tell the groups .,1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）5.fish6.amphibians（两栖类）7.mammals(哺乳类),Study of the groups of life (生命的种类/物种)Look at the pictures and tell the groups .,Human beings,Discuss for moral education,Why did dinosaurs die out?Why do you thin
11、k that humans are the cleverest animals on the earth?What should people do to protect our earth?,Suggested Answers:,1) Dinosaurs died out long before human beings developed on the earth .2) Because they have larger brains than any other creatures on the earth so far. 3) people should protect the ear
12、th carefully, they must stop putting too much carbon dioxide into the air , reduce pollution, control the population and so on .,back,back,Listening to the tape,Fast reading:Para1,What theory do people accept on how the earth began?,The universe began with a “Big Bang” that threw matter in all direc
13、tions, after that, atoms began to form and combine to create stars and bodies.,Big Bang, a cloud of dust,dust settled into a solid globe, violent, exploded loudly,cooled down,Water began to appear on the surface,now,How did water come into being on the earth?,Para2,Para3Whats the significance of the
14、 presence of water on the earth? It allowed the earth to dissolve harmful gases into oceans and seas. significance - significant (adj.) harmful - harm (n.)/ (v.) do harm to,Life to develop,Small plants on the_ of the water,surface,develop,_and all sorts of fish,shellfish,green plants on _,land,next,
15、insects(on land),_(on land/in water),amphibian,appear,forest,appear,_,reptiles,dinosaurs_,mammals,Para4,Are humans nice to the earth? what problem is caused by human beings?,Para5,They are putting too much carbon dioxide into the atmosphere too hot to live on.,Can you put the order of development of
16、 life into a time line?Use the reading to help you.,（ ）1 insects and amphibians appeared（ ）2 dinosaurs appeared （ ）3 the earth became a solid ball （ ）4small plants grew on the water（ ）5 reptiles appeared（ ）6 plants began to grow on dry land（ ）7 the earth was a cloud of dust（ ）8 water appeared on the
17、 earth（ ）9 shellfish and other fish appeared（ ）10 the universe began with a “Big Bang”（ ）11 clever animals with hands and feet appeared（ ）12 mammals appeared,8,7,5,6,4,1,10,3,9,12,2,11,Write down the main idea for each paragraph.,A widely accepted theory about the formation of the universe. The formation of the earth The importance of water for life The development of plants and animals on the earth The arrival of humans and their impact on the earth,Para1,Para2,Para3,Para4,Para5,
