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1、Unit 4 Astronomy:the science of the starsTHE SOLAR SYSTEM Can you name each planet correctly using the letters given in the table below?A.地球地球 _B.木星木星 _C.火星火星 _D.水星水星 _E.海王星海王星 _F.冥王星冥王星 _G.土星土星 _H.天王星天王星 _I.金星金星 _EarthJupiterMarsMercuryNeptunePlutoSaturnUranusVenusastronomyastronomerstelescopeWhat
2、subjects do you learn at school?lChineselEnglish lmathematicslphysicslchemistrylgeographylbiologylhistorylpoliticsphysicsmathematicschemistrybiologygeographyScience subjectsWarming upgeophysicsgeophysicsgeology physicsgeology physics 地质学地质学地质学地质学 astronomy physics mathematics地球物理学地球物理学Some science s
3、ubjects will study two or more of these subjects.Common sense of science subjectsCan you understand the following combined science subjects?biology+chemistry=biochemistry()/medicine()geopolitics（地缘政治学）=_+_ bioengineering(_)=_+_生物化学医学geologypolitics生命工程学 biologyengineeringAstronomy biochemistry geoph
4、ysics medicine_the scientific study of treatment of diseases and injuries._ 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,cometsand“black holes”Astronomybiochemistrygeoph
5、ysicsmedicine1.insects2.plants3.reptiles（爬行类）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)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）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)Study o
6、f 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）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)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）（爬行类）4.shellfish（贝
7、类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)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）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)Study of the groups of life(生命的种类/物种)Look at the pictures and tell the
8、 groups.1.insects2.plants3.reptiles（爬行类）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)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）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)Study of the
9、 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）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)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）（爬行类）4.shellfish（贝类）（贝类
10、）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)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）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)Study of the groups of life(生命的种类/物种)Look at the pictures and tell the grou
11、ps.1.insects2.plants3.reptiles（爬行类）（爬行类）4.shellfish（贝类）（贝类）5.fish6.amphibians（两栖类）（两栖类）7.mammals(哺乳类哺乳类)Study of the groups of life(生命的种类/物种)Look at the pictures and tell the groups.Human beingsWhat is the most important condition for life to grow?The world is like a big family because of different
12、kinds of life living together.But how did life begin on the earth?Fast-reading(Para1)1.What is the important event(事件)to the earth before the appearance of water?2.Why is water important for the beginning of life?Sacnning(Para1,2,3)the beginning of water&the beginning of lifeScan Para1:the beginning
13、 of waterScan Para2,3:the beginning of life (put them into right Scan Para2,3:the beginning of life (put them into right order)order)A.insects and amphibians appear A.insects and amphibians appear B.reptilesB.reptiles appear appearC.shellfishC.shellfish and other fish appear and other fish appear D.
14、dinosaursD.dinosaurs appear appearE.smallE.small plants grow on the water plants grow on the water F.plantsF.plants begin to grow on dry land begin to grow on dry landG.mammals(includingG.mammals(including humans)appear humans)appear 6._ 7._ 8._ 9._ 10._ 1._12._ 6._ 7._ 8._ 9._ 10._ 1._12._ E C F A
15、B D G The Big BangwaterSmall plantsinsects and amphibians land onReptiles on landmammals advanced mammalsdinosaursCareful-reading1.Why the earth was different after the water appeared?2.Why did plants grow before animals?3.Why did animals first appear in the sea not on the land?4.What is the main di
16、fference between reptiles and mammals?Cooperative learningDiscuss the following questions,and use Para4 to help you.1.Why do people become the most important animals on the planet?2.Do people take good care of the earth?What are they doing to the planet?3.What is the result?Do you believe the passag
17、e tell you the truth about the beginning of life?Why?The beginning of the lifePangu separated Nvwa created God created the sky humans the world 盘古开天 女娲造人 上帝创世论Discuss for moral education Why did dinosaurs die out?Do you think there will be a sudden change of weather on the earth?What should people do to protect our earth?Homework1.Try to report how did life begin next period.2.Dictation from astronomy to planet.3.英语周报34期Reading task I,II