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1、The definition of astronomyscientific study of the sun, moon, , , comets, black holes, etc. It is a multidisciplinary subject and uses knowledge from both _ and , so it belongs to Frontier Science(边缘学科边缘学科).starsplanetsmathematicsphysicsSolar system: is made up of the sun and the objects that orbit(
2、绕绕而行而行) it. These include the nine planets and their moons, as well as comets, and meteors. 太阳系太阳系The Solar systemMarsVenusJupiterSaturnNeptunePlutoUranus Mercury asteroidsBlack hole: may eat everything that comes close to them. Sometimes they throw out material many millions of kilometers away from
3、 themselves. That is how new stars and planets develop.The Big Bang is used to describe a huge explosion that scientists believe happened around 15 billion years ago ,creation our universe.Frontier scienceBrainstorming :astronomy biochemistry geophysics medicine the scientific study of treatment of
4、diseases and injuries. the study of the chemistry of living things. the scientific study of the earths atmosphere, oceans and climate.medicinebiochemistrygeophysicsWhat does “studying a subject scientifically” mean?Try to be objectiveSet out your idea to be testedDesign an experiment to test the ide
5、aAnalyze the resultsDraw a conclusionWhat skills and qualities are necessary to be a real scientist? accuracy a logical approach thorough writing of the experiment intellectual courage intellectual honestyTalking: Do you know any stories about the beginning of the life? Please give an example if you
6、 know.NuwaThe GodNuwa makes men Some words may help you:clay(粘土粘土)lonelycreate(创造创造)lift(举起举起) the rope(绳子绳子)richpoorThe GodAdamEveRib(肋骨肋骨)HeavenSome words may help you:1. How did the universe begin according to religion or culture? Please give some examples.2. How did the universe begin according
7、to science? Please give some examples.The beginning of the universeIdeasReligion or cultureScientific ideasDifferencesImaginary,stories, legendsTheories based on factsThe beginning of the universe the Big BangPangu separated the sky from the earthFast reading:Task1: Find out the lives from the text.
8、1 small plants2 shellfish and other fish3 green plants 4 land animalsinsectsamphibians5 reptiles6 dinosaurs 7 mammals Task 2 Can you put the order of the development of life into a time line?(A) insects and amphibians appear(B) a solid ball(C) reptiles appear(D) a cloud of dust(E) shellfish and othe
9、r fish appear(F) dinosaurs appear(G) small plants grow on the water(H) plants begin to grow on dry land(I) presence of water(J) mammals (including humans) appear72815946310Careful readingTask3: Think about what you have read and make choices.Why was the earth different from other planets?A it produc
10、ed a lot of heat. B.The water remained.C Water disappeared. D.It was the oldest planet.Why was life able to develop on the earth but not on other planets?A The earth had a solid shape. B. The earth did not have harmful gases in its atmosphere.C The water stayed on the earth but not on other planets.
11、 D.The earth was not too hot and not too cold.Why was it necessary for plants to grow before animals?A Animals needed plants to protect them from the sun. B Plants provided oxygen for animals to breathe.C Animals could hide from hunters in forest.D It was easier for plants to grow.What problem is ca
12、used by human being?A They exist everywhere on the earth.B They cause global warming.C They find new methods of growing crops.D They enjoy hunting and fishing.Task4 Discussion:?1 Why is it wrong in films and stories to show dinosaurs and people together?Dinosaurs died out long before human being developed on the earth.2 Why do you think that humans are the cleverest animals on the earth?Humans have larger brains than any other living things, have their own ideas.Humans can work, make tools(工具工具)Homework:Finish exercise 2 on P63.Summing up 同学们来学校和回家的路上要注意安全同学们来学校和回家的路上要注意安全