遼寧省燈塔市第二初級中學(xué)九年級英語全冊 Unit 9 I like music that I can dance to（第2課時(shí)）課件 （新版）人教新目標(biāo)版

UNIT 9WHEN WAS IT INVENTED?Section BA: Who was the _ invented by?B: It was invented by _.Carl BenzRevisioncarA: When was the _ invented?B: I think it was invented in _.197619711927A: What is the _ used for?B: It is used for _.talking with peopletelephoneWHO INVENTED POTATO CHIPS?How do the food taste?Listen to the history of potato chips and circle “T” (for true) or “F” (for false).1.Potato chips were invented by mistake.2.They were invented in 1863.3.The customer thought the potatoes werent thin enough.4.The customer said they werent salty enough.5.George wanted to make the customer happy.6.The customer was happy in the end.2aTFFFFFFTTTTT that potato chips were invented by mistake? Potato chips by a chef called George Crum. They were invented in . George Crum cooked them for a long time until they . And he sprinkled lots of salt on them so they were .Did you knowwere invented1853were crispyreally saltyListen again, complete the sentences.2bThe history of potato chipsPAIRWORK A: Did you know potato chips were invented by mistake?B: Wow, I didnt know that. Who invented them?A: 2cDISCUSS What causes inconvenience (不便) to you? How to change it? Can you invent something to change it?Read the history of tea.Who invented tea? Did you know that tea, the most popular drink in the world (after water), was invented by accident? Although tea wasnt brought to the Western world until 1610, this beverage was discovered over three thousand years before that. According to an Ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire. 3aSome leaves from a nearby bush fell into the water and remained there for some time. The emperor noticed that the leaves in the water produced a pleasant smell. Later he decided to taste the hot mixture. It was quite delicious. And in this way, one of the worlds favorite drinks was invented.1.What is the article about ?2.When was it invented?3.Who was it invented by?4.How was it invented?It is about the invention of tea.It was invented over three thousand years ago.It was invented by the Chinese emperor Shen Nong.It was invented by accident.Listen and write answers to the questions.Write an article using the notesin the box.Who: college studentsWhat: metal pie plate, flying diskWhen: 1950sWhere: bakery Bridgeport, ConnecticutHow: students eat pie, throw pie platesToday: clubs, magazines, festival3bFrom pie plate to flying disk. The flying disk was invented by college students. They used a metal pie plate from a bakery in Bridgeport, Connecticut. Students ate the bakerys pies and then threw the pie plates. Today, there are flying disk clubs, magazines and a festival.a pen that listens and writesNew invention:Use:It can listen to the writer and write by itself.Price:$ 50Problem:writing tests4aactivity glassestemperature cupNew Thought, New Invention!PAIRWORKAre the new “inventions” useful? Try to sell the invention to the class.For example:A: This special pen was invented by Zheng Jie. It has three colors and it is used for 4b