Unit4Topic1SectionC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.Make dialogs like this:Pair work Mak

2、e up dialogs Shenzhoulaunch/in China/in 2008Pirates of the Caribbeandirect/by Gore Verbinski/in 2006laptopinvent/in Japan/in 1985 Work in groups and discuss the questions 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

3、new product or a new way of doing things.2.List some inventions that you know and their puter lock television light bulb chopsticks crayon 3.Do you think you can be an inventor?Why?Yes,inventing is interesting and exciting and everyone can be an inventor.v.列清单，把列清单，把列表列表n.彩色铅笔（粉笔，蜡笔）等彩色铅笔（粉笔，蜡笔）等Wor

4、k in groups and discuss the questions before reading.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Match the words with their meanings.A.Draw your invention.B.Name your inv

5、ention.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 and said they would never fly.But they were

6、nt 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 for ideas and to evaluate them._ Make a detailed drawing of your invention so others w

7、ill 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 inventions with others.EACB1c Read 1a again and fill in the blanks.When you want to ha

8、ve 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 successful,you must _ it again and again.After that,you _ your i

9、nvention.Last,remember that you should _ your invention with others.imaginationimportantdetailedtestnameshare1a Read and understand.Can you list it?1.An invention come about solve a problem the result of crayonsnone of be made in interesting,exciting inventor a few simple steps 2.Use your imaginatio

10、n thought silly laugh at be discouraged 3.Plan and design your invention be important to brainstorm evaluate 4.Draw your inventionmake a detailed drawing 5.Make a model 6.Test your invention-do more research 7.Name your invention 8.Sharewith Retell it balloon gunrobotkeyboard1.What are the top 3 mos

11、t important inventions?Why?2.Which is the least important invention?Why?2 Discuss with your partner which of the followings are the top 3 most important inventions and which is the least important invention.Then explain your choice to the class.Example:I think zero is the most important invention.It

12、 is said that it was invented by an Indian.It is a very interesting number.For example,I have only ten yuan.If you add five zeros after it for me,haha,I will be a rich man.3 Do you know how to be an inventor?Do you want to invent something?Write a passage about your invention.The following questions

13、 may help you.1.How do you come to the idea of your invention?2.What does it look like?3.What is it made of/from?4.Whats it used for?5.What are you going to name it?Before writing,think more clearly and tell about the looks,uses,advantages and disadvantages of an object.My invention is a robot.It is

14、 called“Superman”.There is a computer inside its body.It looks like a tiger.When you see it for the first time,you may be frightened.In fact,it is gentle and polite.It can help us do housework,such as cleaning a room,washing dishes,and making the bed.When the room is dirty,it will begin to work at o

15、nce.It can also watch over a house instead of humans.It is careful,clever and hard-working.In short,this robot is very useful to us,though it cant run or speak.You can write it like this:i_ n.the creation of something in the mind;the act of inventing c_ n.a rod(棒）棒）of colored wax（蜡）（蜡）used for drawi

16、ng t_ n.an idea that you have in your mind s_ adj.foolishb_n.small thin inflatable(可充气的）可充气的）rubber bag with narrow neckg_ n.a weapon（武器）（武器）from which bullets（子（子弹）弹）or other things are firedr_ n.a machine that can move automatically（自动地）自动地）k_ n.the set of keys that you press in order to operate i

17、t Complete the following words according to their first letters and meanings.nventionrayonhoughtillyalloonunoboteyboard1.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 e

18、xplore other planets.3.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 _?were widely used can be launchedWhere did directWhen wasdevelopedSum

19、maryWe 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.Read 1a.Memorize the useful expressions and key sentences that we learn today.Finish Section C in your workbook.Preview Section D.