仁爱版九年级上册英语Unit 4 Topic 1 Section C课件.ppt

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1、Unit 4 Amazing ScienceTopic 1 When was it invented?Section C InventionInventorYearcarKarl Benz1885telephone Alexander Graham Bell1876TVJohn Baird1926A:When was the car invented?B:It was invented in 1885.A:Who was the car invented by?B:It was invented by Karl Benz.Work in groups and discuss the quest

2、ions before reading.1.What is an invention?invention n.发明，创造发明，创造 invent v.发明，创造发明，创造 inventor n.发明者，发明家发明者，发明家 An invention may be a new product or a new way of doing things.invention crayon thought silly brainstorm evaluateredesigndetailedA.愚蠢的，傻的愚蠢的，傻的B.发明，创造发明，创造C.彩色铅笔彩色铅笔D.想法，看法，主意想法，看法，主意E.集思广

3、益，动脑筋集思广益，动脑筋F.重新设计重新设计G.估值，评价，评估估值，评价，评估H.详细的详细的A.Draw your invention.B.Name your invention.C.Test your invention.D.Use your imagination.E.Plan and design your invention.1b Read 1a and put the sentences in the correct places._ You can have wild and crazy thoughts.Remember that no idea is too silly.

4、Many people laughed at the Wright brothers and said they would never fly.But they werent discouraged by what people said.Thats why now we have planes.D想像力想像力1b Read 1a and put the sentences in the correct places._ Careful planning is important in the invention process.This is the time to brainstorm

5、for ideas and to evaluate them._ Make a detailed drawing of your invention so others will understand how your invention works.Make a model of your invention._ See if your invention works as it is planned.If not,do more research,redesign it,and test it again._ Every invention needs a name.Share your

6、inventions with others.EACB1a Read and understand.1.People used the light bulbs widely in the past.(改为被动语态）The light bulbs _ _ _ by people in the past.2.We can launch spaceships to explore other planets.(改为被动语态）Spaceships can _ _to explore other planets.4.The MP3 player was developed around 1998.(对划

7、线部分提问)_ _ the MP3 player _?ExercisesExerciseswere widely used be launchedWhen wasdevelopedSummaryWe learn:1.Some words:invention,crayon,thought,silly,balloon,gun,robot,keyboard 2.Some phrases:laugh at，come come out，the result of，none of 3.Some sentences:Inventing is interesting and exciting and everyone can be an inventor.We can:1.Talk about the process of an invention.2.Write a passage about an invention.