【同步课堂-视频】主讲：王会群 英语人教课标版九年级--Unit9 When was it invented SectionA

Unit 9 When was it invented? Learning goals 1. Learn to talk about the history of inventions 2. Learn to remember information using mind-mapping 3. Learn to use imagination to invent things to deal with problems and do role plays Period 1 Step 1 Lead-in T: Good morning / afternoon, boys and girls. This week we will begin a new unit 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. Don’t you think so? Can you imagine one day without inventions? Ss: That’s impossible. T: Yes, we live in a world of inventions. These inventions make our life easier and more comfortable. In this unit, we will learn some inventions and their history. First, let’s get to know some new words. Step 2 Card Game Ask the students to play a card game to help them remember the new vocabulary of this unit. T: Close your books. Here are some cards. On each card there is a word with English spelling. When I hold up a card, you must tell me what it means in Chinese, how to read it and some words related to it. Are you clear? Show the cards to the students one by one. Correct their mistakes in pronunciation and understanding. … Step 3 Practice the new vocabulary Ask the students to explain in their own words the words in Section A in the workbook. T: Very good. Please turn to Section A of workbook, the first part. Discuss these words in groups and explain their meanings in your own words. Sample answers: S1: Invent: There was not such a thing in the world. Someone made it and then there is such a thing. So we can say someone invented it. S2: Discover: There is a thing. But people don’t know it or few people know it. Someone find it and make it known to people. We can say someone discovers it. S3: Scoop: When it is a noun, it means a short-handled tool for taking up and moving something. When it is a verb, it means lifting something with a scoop. S4: Mistake: If I say 2 and 2 is 1, you can say I