Unit6 When was it Unit6 When was it Unit6 When was it Unit6 When was it invented?invented?invented?invented?Section A (1a-2d)Section A (1a-2d)Section A (1a-2d)Section A (1a-2d) Four great inventions in Chinapaper-makingprintinggunpowdercompassChinese invented the four great inventions.The four great inventions _Chinese .were invented by paper-makingCai Luneastern HanprintingBi ShengSonggunpowderChineseTangcompassChineseWarring States PeriodWhen was . invented?Who was . invented by?What is . used for . ?It was invented in . .It was invented by . .It is used for . . What are these inventions?Who was the . invented by? Guessing Game Karl BenzBell J. L. BairdJohn Atanasoff telephonecar television computerIt was invented by . .When were they invented?Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them 1-4. 1aA: I think the . was invented before/after the . .B: Well, I agree with . . Besides, I think the . was invented before/after the . .C: Well, I dont think so. I think . was invented before/after the . .Listen and match the inventions with the years._ 1876_ 1885_ 1927_ 1971dacb1a1b1b a. need to take a history class b. My family had a car. c. have modern inventions d. were invented e. couldnt afford one.Alice: Was your life very difficult when you were a kid?Grandma: Oh, not really. Why?Alice: Well, you didnt _ like a telephone, right?Grandma: Of course we did! How old do you think I am? The telephone was invented in 1876. You _, Alice!Alice: Ha, ha! How about cars? They werent invented yet, were they?Grandma: Yes, they were. Cars were invented in 1885._.Alice: Well, did you have a TV?Grandma: No, we _. They were expensive in those days. The TV was invented around 1927, I think. Alice: Well, I know that you didnt have a computer because we learned in school that personal computers _in 1971.Grandma: Youre right. But I have one now!cabedPairworkA: When was the invented?B: It was invented in A: Who was it invented by?B: It was invented by?A: Do you know what it is used for?B: It is used for .Karl Benz in 1885 in 1971John Atanasoffin 1876 Bell J. L. Baird in 1927in 1839 Luis washing hairskatingrunning magic inventionsWhat are they used for?shoes with lightsshoes with special heelsraising or lowering moving up and downice-cream scoopserving something coldseeing in the dark magic inventionsWhat are they used for?Listen and number the inventions 1-3 in the order you hear them. 1321b2aInventionWhat is it / are they used for?shoes with special heels_ the style of the shoesshoes with lightsseeing _hot ice-cream scoop_ really cold ice-cream Listen again and complete the chart.changingservingin the darkn. 样式; 款式2bThe first invention is shoes with _. People always hit their toes against _ on the way to the bathroom at night. So people can use them for _ in the _. Listen again and fill in the blanks. somethingseeingdarklightsThe second invention is a special ice-cream _. It runs on _ and becomes hot. Its _ for serving really _ ice-cream. The last invention is shoes with special _. People can move the heels _ and _. You can _ the heels if you are going to a party or _ them if you are just going out for shopping. scoopelectricityusedcoldheelsupdownraiselowerHave you ever thought of inventing anything by yourself to make your life easier ?Creative designerCreative designerWhat do you think is very interesting to invent?Why do you want to invent it? Can you draw it and tell us what it looks like?What can it be used for？Report: I want to invent this kind of machine. Because I am lazy.I dont want to get up early every morning. If the alarm oclock goes off, we can be woken up by its mechanical (机械的）arm. So it can be used for waking me up.There are no problems-There are no problems-only opportunitiesonly opportunities to be creative. to be creative.Small inventions can really change the world!What small inventions can you think of?2dRead 2d and answer the following questions . 1. when was the zipper invented ? In 1893. 2. Was the zipper used widely in 1893 ? No, it wasnt. 3. Where can we see zippers ? We can see zippers on dresses,trousers,shoes,bagsalmost everywhere!