高中英语：Book 3 Unit 4 Astronomythe science of the stars课件新人教必修3.ppt

I.What are in the pictures?Unit4Unit4 Astronomy:Astronomy:the science of the starsthe science of the stars2021/8/11 星期三1Mercury Venus EarthMarsJupiterSaturnUranusNeptune2021/8/11 星期三2THE 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 _EarthJupiterMarsMercuryNeptunePlutoSaturnUranusVenus2021/8/11 星期三3II.What interests you in astronomy?2021/8/11 星期三4Quiz:1.Who wrote the book The Origin of Species(1.Who wrote the book The Origin of Species(物种起源物种起源)?)?A.Issaac Newton B.Albert Einstein C.Charles Darwin A.Issaac Newton B.Albert Einstein C.Charles Darwin2.Who is famous for the theory of Black Hole theory?2.Who is famous for the theory of Black Hole theory?A.Hawking B.Newton C.Einstein A.Hawking B.Newton C.Einstein3 How many big 3 How many big planetsplanets are there in the Solar System?are there in the Solar System?A.7 B.8 C.9 A.7 B.8 C.9 4.Which one belongs to 4.Which one belongs to amphibian(amphibian(两栖动物）两栖动物）?A.frog B.snake C.dinosaur A.frog B.snake C.dinosaur 5.Which one belongs to 5.Which one belongs to reptilereptile（爬行动物）（爬行动物）?A.fish B.snake C.bird A.fish B.snake C.bird 2021/8/11 星期三58.On which planet are there lives at present?8.On which planet are there lives at present?A.the Venus B.the Earth C.the Mars A.the Venus B.the Earth C.the Mars7.Which gas is the most important for life?7.Which gas is the most important for life?A.A.carbon dioxidecarbon dioxide(CO(CO2 2)B.B.oxygenoxygen(O(O2 2)C.C.nitrogennitrogen(N(N2 2)6.Which one belongs to6.Which one belongs to mammal mammal（哺乳动物）（哺乳动物）?A.dinosaur B.dog C.fish A.dinosaur B.dog C.fish2021/8/11 星期三6HOW LIFE BEGAN ON THE EARTHReadinReading g2021/8/11 星期三7explodesurfacemethodpreventspreaddevelopastronomyE.burst suddenly with a loud noiseA.outside of somethingB.way of doing somethingF.stop something happening D.become wider;go to other placesC.grow up;take shape;become larger or more completeG.scientific study of the stars2021/8/11 星期三8Paragraph 1:1.A1.A widely accepted theory was put up with.widely accepted theory was put up with.What is it?What is it?The universe began with a The universe began with a“Big Bang”that threw matter in“Big Bang”that threw matter in all directions.After that,atoms all directions.After that,atoms began to form and combine to began to form and combine to create stars.create stars.2021/8/11 星期三9 A.The earths atmosphere was formedA.The earths atmosphere was formedB.Big BangB.Big Bang C.The earth C.The earth explodedexploded and produced kinds of gases and produced kinds of gasesD.Water appeared D.Water appeared E.The earth cooled downE.The earth cooled downF.A cloud of energetic dustF.A cloud of energetic dustG.Slowly combine into a G.Slowly combine into a solid globesolid globe12345 67Paragraph 2Paragraph 2:Put these sentences into the right order.Put these sentences into the right order.2021/8/11 星期三10Paragraph 3:Paragraph 3:I.I.What does“Dissolve”mean?What does“Dissolve”mean?II.II.Which the following statements is true?Which the following statements is true?A.Unlike the earth,Mars had disappeared later.A.Unlike the earth,Mars had disappeared later.B.Water was to be fundamental to the development of B.Water was to be fundamental to the development of life once water turned up.life once water turned up.C.The continued presence of water allowed the earth to C.The continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and dissolve harmful gases and acids into the oceans and seas.seas.D.Water made it possible for life to develop.D.Water made it possible for life to develop.“溶解溶解”2021/8/11 星期三11waterPlants in the waterShellfish and fishInsects and amphibiansReptilesDinosaursMammalsPlants on land2021/8/11 星期三12Man had evolved from apes.2021/8/11 星期三13Main BodyParagraph 1:Paragraph 2:Paragraph 3:Paragraph 4:Paragraph 5: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 earthTask 1:SkimmingTo seek Key words2021/8/11 星期三141.1.Because water and life remained on the earth.Because water and life remained on the earth.2.2.Because plants provided oxygen for animals to Because plants provided oxygen for animals to breathe.breathe.3.3.Because dinosaurs died out long before human Because dinosaurs died out long before human beings developed on the earth.beings developed on the earth.4.4.The name is Pluto.Scientists now think it is too The name is Pluto.Scientists now think it is too small to be called a planet.small to be called a planet.5.5.Human beings cause global warming.Human beings cause global warming.Task 3:Close reading2021/8/11 星期三15 make full use of solar energy plant trees recycle rubbishsave water purify airWhat can we do to take care of the earth?Discussion:2021/8/11 星期三16Whether 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!2021/8/11 星期三17