人教版九年级Unit 6 When was it invented -Section A 1a—2d-ppt课件-(含教案)-市级公开课-(编号：30f94).zip

L/O/G/O Unit 6 When was it invented? Section A 1a1c What are the Four Great Inventions in ancient China? Do you know ? Four ancient inventions compass gun powder moveable type printing paper Who were they invented by？ Edison invented the light bulb. The light bulb was invented by Edison. Who was the light bulb invented by? The telephone by Bell. was invented Who was the telephone invented by? Bell invented the telephone. telephone car computer television I think _ was invented first. 1a.Listen and take notes What inventions have you heard in the dialogue? The telephone was invented _. Cars were invented_. The TV was invented_. The personal computers were invented _. in 1876 in 1885 around 1927 in 1971 A: What is the _ used for? B: I think it is used for _ . talking with people A: What is the used for? B: It is used for _. (watch the things far away clearly) watching the things far away clearly. A: What is the used for? B: I think it is used for _.(work) working A: When was invented? B: It was invented in A: Who was it invented by? B: It was invented by A: What is the used for? B: The is used for doing L/O/G/O Revision: When were they made ? Who were they made by ? What are they made of ? last year Mrs. Wu ( music teacher) L/O/G/O Revision: When was it made ? Who was it made by ? What is it made of ? yesterday Qiao Yibo Feelings If we use our head and can have a try , all of us can be inventors in a normal life. Believe in that small inventions can change the world greatly. HOMEWORK 1.Preview the next part of Unit5 2. Finish off the exercises. Unit6. When was it invented? Section A (1a-1c) Knowledge objects: Key vocabulary: invent, inventor, invention, Key sentences: I think the TV was invented before the car. -When was the telephone invented? -I think it was invented in 1876. 2. Who was it/were they invented by? It was / They were invented by 3. What is it/are they used for? It is/ They are used for. Key structure: Passive voice of the past tense. Ability objects: 1. Enable the students to talk about the history of inventions using the passive voice of the past tense. 2. Train the students listening and speaking skills. Moral objects: Many inventions have changed the world a lot. If you use your head and have a try, you will have great inventions. Teaching key and difficult points: Learn to talk about the inventions by using the passive voice of the past tense. Teaching procedures: Step1. Leading in 1. Have a free talk. We live in a world of inventions. These inventions make our life easier and more comfortable. In this unit well talk about some inventions and their history. 2. Teach “invent/inventor/invention” and “was invented”. Step2. Presentation 1. Present the four great inventions in ancient China by showing them pictures of them. (Gunpowder, paper-making, printing and compass) 2. Students talk about the light bulb and its inventor Thomas Edison. To practice the key sentence pattern: -Who was it/were they invented by? -It was / They were invented by 3. Show some pictures and ask about other modern inventions in foreign countries. Step3. Practice 1. Show some pictures of the four inventions in 1a and ask the students to discuss the order of the inventions in groups. Model: -when was it invented? -I think it was invented in 1876. - Well, I think the TV was invented after the car. 2. Check the results of their discussion. Then ask students to make a conversation: A: Whats it used for? B: It is used for. Step 4 Listening (1b) 1. Play the tape twice. Then check the answers. For the first time, students just listen carefully to the dates when the things were invented. For the second time, students listen and match the inventions with the dates. Step 5 consolidation 1. Make conversations with their partners using “be invented in” and “be invented by” according to the information in the chart. Then act it out in the class. 2. Let students make sentences using “be used for doing sth” according to the pictures on the screen. 3. Show them some pictures about teachers works to practice the key sentences and encourage them to make inventions. Step 6 Summary 1. Summarize what we have learned today. Step 7 Homework 1. Preview the next part of unit 6. 2. Make a conversation with partners.