九年级U4T1SC.ppt

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1、Unit 4 Amazing ScienceTopic 1 When was it invented?Section C 云浮市第三中学 九（3）班 2016-12-15invention 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.详详细的细的Read and match。ReviewReviewReviewReviewRe

2、view Pre-reading.1.What is an invention?invention n.发明，创造 invent v.发明，创造 inventor n.发明者，发明家,制作者 I think invention is to making something new.An invention may be a new product or a new way of doing things.Inventions are useful and helpful to our life.They can help us do thing better and faster.Discus

3、s2.List some inventions that you know and their puter lock television light bulb chopsticks crayon Pre-readingDiscussv.列举列举balloon gunrobotkeyboard3.Do you think you can be an inventor?Why?Yes,inventing is interesting and exciting and everyone can be an inventor as long as you have new ideas and try

4、 to carry them out.Pre-readingDiscussRead 1a and answer the question.How many steps to follow are there in the invention process?While-readingReading1a Read and understand.Read 1a and answer the question.How many steps to follow are there in the invention process?There are seven steps.While-readingR

5、eadingA.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.Many people laughed at the Wright brothers

6、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.想像力想像力_ C

7、areful planning is important in the invention process.This is the time to brainstorm for ideas and to evaluate them._ Make a detailed drawing of your invention so others will understand how your invention works.EAA.Draw your invention.B.Name your invention.C.Test your invention.D.Use your imaginatio

8、n.E.Plan and design your invention.1b Read 1a and put the sentences in the correct places.想像力想像力 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 inventions with others.CB1c R

9、ead 1a again and fill in the blanks.When you want to have an invention,first you must use your _ .Then you should plan and design it.Careful planning is very _ in the invention.Third,you should make a _ drawing of your invention and make a model of it.If you want to make your invention more successf

10、ul,you must _ it again and again.After that,you _ your invention.Last,remember that you should _ your invention with others.imaginationimportantdetailedtestnameshare1.出现出现2.以多种形式以多种形式3.解决一个问题解决一个问题4.这些东西中没有一样这些东西中没有一样5.是是-的结果的结果6.取笑某人取笑某人7.给给-做一个详细的做一个详细的 规划规划8.与某人分享某物与某人分享某物Post-reading.划出划出1a中短语并翻

11、译中短语并翻译come aboutin many wayssolve a problemnone of these thingsbe the result of-laugh at sb.make a detailed drawing of-share sth.with sb.划出划出1a中被动语态的句子中被动语态的句子并翻译并翻译(1).None of these things was planted in fields.(2).They were made in factories and invented by someone.(3).But they werent discouraged

12、 by what people said.(4).See if your invention works as it is planned.Post-reading这些东西中没有一样是在地里这些东西中没有一样是在地里种出来种出来的。的。有人有人发明发明它们，并在工厂里它们，并在工厂里把把它们它们制造制造出来。出来。但是他们但是他们并没有并没有因人们所说的话而因人们所说的话而丧失信心丧失信心。看看你的发明是否就像它看看你的发明是否就像它被计划被计划的那样起作用。的那样起作用。How to be an inventor?When you want to have an invention,firs

13、t,you must use your imagination.Then,you should plan and design it.Careful planning is very important in the invention.Third,you should make a detailed drawing of your invention and make a model of it.If you want to make your invention more successful,you must test it again and again.After that,you

14、name your invention.Last,remember that you should share your invention with others.Retell 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 _ _ _to explore other planets.were wid

15、ely used can be launched3.Gore Verbiniski directed the movie Pirates of the Caribean in America.(对划线部分提问）_ _ Gore Verbiniski _ the movie Pirates of the Caribbean?4.The MP3 player was developed around 1998.(对划线部分提问)_ _ the MP3 player _?Where did directWhen wasdevelopedSummaryWe learn:1.Some words:inv

16、ention,crayon,thought,silly,evaluate,detailed,redesign-2.Some phrases:come about，laugh at,the result of，none of,share-with-3.Some sentences:Inventing is interesting and exciting and everyone can be an inventor.We can:Talk about the process of an invention.Read 1a.Memorize the useful expressions and key sentences that we learn today.Finish Section C in your workbook.Preview Section D.