英语人教版九年级全册Unit_6_When_was_it_invented_.doc

Unit 6When was it invented? Section A (1a-1c, 2c) Language goal:Talk about the history of inventions. Emotion & attitude goal: Enable the students to be aware of different inventions around them.Important points:1. When was/were invented? It was/ They were invented in I think was/were invented before/after2. Who was it/were they invented by? It was / They were invented by3. What is it/are they used for? It is/ They are used for. Difficult point:The passive voice of the simple past tenseTeaching procedures:Step 1 Warming-up 1. Play a video and lead into new lesson.T: Good morning, everyone! Lets relax ourselves and enjoy a video. Whats the video about? Yeah, great! Its about inventions. You can see inventions all around us, from TV to car, from food to clothing. We should say nobody can live without them. Dont you think so? Yes, 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”. Step 2 Talking and Presentation1. 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.3. Show some pictures and ask about other modern inventions in foreign countries.Step 3 Talking (1a) 1. Show some pictures of the four inventions in 1a and ask the students to discuss the order of the inventions in groups.Model:A: I think the TV was invented before the car.B: Well, I think the TV was invented after the car.2. Check the results of their discussion.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.2. Call attention to the additional exercises. Play the tape. Students listen and fill in the blanks by grasping the key words. Then check the answers.3. Watch the video about the conversation between Alice and her grandma.4. Ask the students to translate the conversation into Chinese.Step 5 Game (1c) 1. Explain the rules of the game: In pairs, one chooses a number and the other asks him when the thing behind the number was invented. Then change roles and practice again. 2. Ask a student to act as partner, and present the following dialogue as a model. Model: A: When was the telephone invented? B: I think it was invented in 1876. When was the car invented? A: I think it was invented in 1885. 3. Play the game and then choose the best pair.Step 6 Practice Make conversations using “be invented in” and “be invented by” according to the information in the chart.Step 7 Presentation (2c)1. Tell students to make conversations using “be used for doing sth” according to the pictures on the screen. Make a model for the Ss. Model: A: What is the car used for?B: It is used for traveling. 2. Let students make sentences using “be used for doing sth” according to the pictures on the screen.Step 8 Summary 1. Summarize w