Module 2 Unit 4 Inventions 课件2.ppt

1、Getting ready Reading (I),Module 2 Science and technology,Unit 4,Inventions,Getting ready,1,What is Hi doing? What is the book about? What does Hi ask Lo? Why is Lo so proud of himself?,Look at the cartoon and answer the questions.,He is reading a book.,It is about great inventions.,What is the most

2、 important invention in the world?,Because Lo thinks the robot is the most important invention in the world and he himself is a robot.,These inventions have all changed our way of life and made our lives more comfortable.,2,Background information,Which is the most important invention to you? Why?,Wh

3、at do you know about ?,Inventions change our way of life. Look at the photos below. Write the name of each invention in the blanks.,train,wheel,light bulb,telephone,computer,paper,mobile phone,computer light bulb mobile phone paper telephone train wheel,7,How do these inventions help us in our daily

4、 lives? In groups, discuss this with your classmates.,These inventions help us in many ways in our daily lives. We may use them anytime, anywhere.,They are very practical.,7,Look at the photos, the title, the introduction and the sub-headings of the article on page 51. Then answer the questions belo

5、w.,Skimming means to read an article quickly to get its general idea. To skim an article, you should look at its introduction, title, sub-headings, photos or pictures, and the first and last sentences of each paragraph.,Which invention is probably the greatest in history according to the article?,4

6、When was the first practical light bulb invented?,3 What did Alexander Graham Bell invent?,1 How do great inventions help people?,The wheel.,He invented one of the first practical telephones.,In 1879.,They help people live a better life.,Skim the article again and answer the following questions.,The

7、 wheel The wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. A few thousand years ago, people started to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the start of the 20th cent

8、ury, cars became popular. Without the wheel, we would not have these inventions.,Great inventions,Vocabulary,3,Great inventions change the world. They help people live a better life. The following are three of the most important inventions in history.,The telephone Alexander Graham Bell invented one

9、 of the first practical telephones in 1876. Since then, people have been able to speak to each other over long distances. Today millions of people across the world own mobile phones. They allow people to keep in touch with each other anytime, anywhere.,The light bulb Thomas Edison developed the firs

10、t practical light bulb in 1879. Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night. With light bulbs, people can do as many things in the evenings as they can in the daytime. Can you imagine living without them?,C1 Find words from the article on

11、 page 51 that have similar meanings to the words in italics below.,comfortable,century,passengers,developed,daytime,C2 Complete the conversation below with the words from the box. Change their forms if necessary.,comfortable,century,passengers,anytime,daytime,Complete the sentences with the words yo

12、u have just learnt. Change their forms if necessary. You may need to fill in more than one word.,1 Da Vinci is the most famous 15th _ painter. 2 He opened the door and a strong wind blew out the _. 3 Will people _ new types of transportation in the future? 4 _can get free water at the airport.,centu

13、ry,candle(s),invent/develop,Passengers,A good reporter must _ what is happening in the world. Could you help me change the left _ of my car? The tyre is flat. Mr. Greens plan was quite _, so everyone agreed with him. 8 How can I keep in touch with you if your _ is off all the time?,wheel,keep in tou

14、ch with,practical,mobile phone,A straight line is the shortest _ between two points.,distance,Reading (II),Module 2 Science and technology,Unit 4,Inventions,Revision,1,What inventions are described in the following sentences?,We can use it to communicate with people over long distances.,2 We can mak

15、e phone calls with it anytime, anywhere.,3 It is perhaps one of the most practical inventions in the 20th century. Now people use it for both work and play.,telephone/mobile phone,mobile phone,computer,lift,4 After its invention, we no longer needed to use the stairs.,airplane/aircraft,air condition

16、er,the underground,5 It cools or warms rooms to make them more comfortable for people to stay in.,6 Passengers who use this for transportation no longer need to worry about traffic jams.,7 The Wright brothers invented the first machine-powered model of it.,What inventions are described in the follow

17、ing sentences?,The wheel,Read the first part of the article and complete the table.,Dont know.,A few thousand years ago.,Travelling became faster and more comfortable.,carriages trains cars,While you read,2,The telephone,over long distances,speak to each other,mobile phones,keep in touch with,each o

18、ther anytime, anywhere with,Read the second part of the article and complete the table.,Alexander Graham Bell.,In 1876.,Read the third part of the article and answer these questions.,The light bulb,1 What did people use to see at night before the invention of the light bulb?,People used oil lamps, g

19、as lamps or candles.,2 What has life been like after the invention of the light bulb?,People can do as many things in the evenings as they can in the daytime.,The wheel The wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. A few t

20、housand years ago, people started to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the start of the 20th century, cars became popular. Without the wheel, we would not have these inventions.,Great inventions,Great inventions change the world. They

21、help people live a better life. The following are three of the most important inventions in history.,The telephone Alexander Graham Bell invented one of the first practical telephones in 1876. Since then, people have been able to speak to each other over long distances. Today millions of people acro

22、ss the world own mobile phones. They allow people to keep in touch with each other anytime, anywhere.,The light bulb Thomas Edison developed the first practical light bulb in 1879. Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night. With light b

23、ulbs, people can do as many things in the evenings as they can in the daytime. Can you imagine living without them?,How did people see at night before the invention of the light bulb? _,Which of the three things was invented first? _,D2 Read the article again and answer the questions below in comple

24、te sentences.,The wheel was invented first.,They allow people to keep in touch with each other anytime, anywhere.,They had to use oil lamps, gas lamps or candles to see at night.,What inventions did the wheel make possible? _,How do mobile phones help people keep in touch with each other? _,It made

25、the inventions of carriages, trains and cars possible.,D1 Read the article on page 51 and complete the table below.,faster and more comfortable,Alexander Graham Bell,speak to each other over long distances,Thomas Edison,do as many things in the evenings,Comprehension,3,How did people see at night be

26、fore the invention of the light bulb? _,Which of the three things was invented first? _,D2 Read the article again and answer the questions below in complete sentences.,The wheel was invented first.,They allow people to keep in touch with each other anytime, anywhere.,They had to use oil lamps, gas lamps or candles to see at night.,What inventions did the wheel make possible? _,How do mobile phones help people keep in touch with each other? _,It made the inventions of carriages, trains and cars possible.,1