九年级unit9英文教案whenwasitinvented教案

SECTION AGoals●To learn to use Passive voice (questions and statements)●To listen, talk and read about inventionProceduresWarming up by learn about Passive voice (questions and statements)Passive Verb FormationPay attention to the passive voice of “give”.1a Doing group workLook at the things on page 68. Number them in the order of their invention. A: I think the telephone was invented before the car.B: Well, I think the telephone was invented after the car.A: I think the televisor was invented before the computer.B: Well, I think the televisor was invented after the computer.A: I think the calculator was invented before the plane.B: Well, I think the calculator was invented after the planer.1b Listening and matchingall the linking words and underline all the useful expressions.1c Doing pairworkIn pairs, one covers the dates and the other asks him when the things in the picturesNext you are going to listen to a tapescript and number the inventions in the orderThe inventions are heard in the following order.battery-operated slippers→heated ice cream scoop→shoes with adjustable heels2b Listening and matchingYou shall listen to the recording again and match the items in the chart on page 69 in columns A, B, and C.2c Doing pairworkRole play the conversations using the information in the chart in the middle of page 69. Pay attention to the formation of passive voice.3a Doing pairworkThere are two kinds of inventions. One is helpful invention, and the other is annoying invention. Now in pairs make a list of five helpful inventions and five annoying inventions.In pairs discuss your opinions in 3a with your partner.Imagine you are left alone on a small island in the sea. If you are allowed to takeGoals●To learn to use passive voice (questions and statements)●To read about teaProceduresWarming up by making passive sentencesHello, everyone. This week we learn to use passive voice (questions and statements).1a Looking and writingOn page 71 you will find some adjectives used to describe how food tastes. Look atthe pictures and write them under the correct picture. Note that some pictures have1b Writing the namesOn page 71 you will find in the box some adjectives used to describe food. Now read each of them and write the name of a different food after each of them.Sweet apple→ crispy crackers→ salty water→ sour rice2a Listening and circlingOn page 71 in the middle of the page you will find 6 statements. Listen to theNow read the tapescript and copy down all the useful expressions into your notebook.You are going to listen to the tapescript and complete the sentences on page 71 in the box.2c Doing pairworkNext you are going to role play the conversations about the invention of the potato chip. Use the information from the activities above.Now let’s read to find out who invented tea. While you read, circle all the linking words and underline all the useful expressions.3b Writing an articleOn page 72 you will find notes in the box on the left. Write an article using theWe all have things that we don’t liking doing. Why not think of an invention that4b Doing pairworkIn pairs ask each other questions about inventions, and try to sell your invention to your partner.Closing down by talking about inventionInvention: abacus in c3000 BCInvention: abacusFunction: A counting device: a mechanical device for making calculations consisting of a frame mounted with rods along which beads or balls are movedNationality: ChineseInvention: Coca-Cola in 1886Definition: noun / trademarkFunction: Popular carbonated soft drink colored usually with caramel and flavored usually with extracts from kola nuts and sweetenersTrademark: . issued 1893Inventor: John Stith PembertonCriteria; First to invent. Entrepreneur.Birth: July 8, 1831 in Rome, GeorgiaDeath: August 16, 1888 in Columbus, GeorgiaNationality: AmericanSELF CHECK1 Filling blanksOn page 73 is a box with 4 sentences. Read the sentences and fill in the blank withLook at the pictures below and tell about what you see. Use as many examples of passive voice (questions and statements) as possible.Reading: Do you know when basketball was invented?Before you read, listen and read aloud to the recording of passage. Make your reading as close to the recording as possible.While you read, divide (/) the sentences into groups of thePart 2: Teaching Resources（第二部分：教学资源）is invention?An invention is a new thing that someone has made. The computer was an invention when it was first made. We say when it was "invented". New things that are made or created are called inventions. The car is an invention that everyone knows.Ideas are also called inventions. Writers can invent characters, and then invent a story about them.II. What is an inventor?An inventor is a person who creates new inventions, typically technical devices such as mechanical, electrical or software devices or methods. Although some inventors may also be scientists, most of them are engineers in fact as they base their work on the discoveries of other scientists, experimenting with practical applications and combinations of those discoveries, and with improvements and combinations of existing devices, to create new useful devices.The system of patents was established to encourage inventors by granting limited-term monopoly on inventions that are judged sufficiently novel. This system is nowadays frequently considered as being abused, especially in the United States, and some have called for reform or even abolition of the patent system. In the ., however, the patentright originates from the Constitution, so inventors will likely continue to protect their inventions that way for many years to come.The capacity to invent can be developed. See TRIZ, the theory of inventive problem-solving.。