人教版九年级Unit 6 When was it invented -Section A 1a—2d-ppt课件-(含教案+视频+音频+素材)-市级公开课-(编号：3473f).zip

Section A (1a- 2d) Unit 6 When was it invented? Learning Aims 1.To talk about the history of inventions. 2. To use the passive voice in past tense. A: When was the car invented? B: It was invented in 1885. What are the Four Great Inventions in ancient China? paper-makingprinting compass gunpowder shoes with lights shoes with special heels hot ice-cream scoop zipper 42 1 3 I think the telephone was invented before the car. =I think the car was invented after the telephone. 1a. Look at the things below. In what order do you think they were invented? Discuss them with your group.Then number them 【1-4】. VSVS I think the TV was invented before the car. Well, I think the TV was invented after the car. VSVS The telephone was invented before the computer. Well, I think the telephone was invented after the computer. 1b. Listen and match the inventions with the years. _ 1876 _ 1885 _ 1927 _ 1971 d d a a c cb b Task 1 A: When was the telephone invented? B: It was invented in 1876. d:The telephone was invented_ 1876. a:The car was _ _ 1885. c:The TV _ _ _ 1927. b:The computer _ _ _ _. in invented in was invented in was invented in 1971 1973 1790 bike, mobile phone, 183 9 A: When was the mobile phone invented? B: It was invented in 1973. plane, 1882 camera, Task 2 2a. Listen and number the inventions 1-3 in the order you hear them. Task 3 _ shoes with special heels _ shoes with lights _ hot ice-cream scoop, runs on electricity 3 1 2 2b.Listen again and complete the chart. Task 4 Invention What is it / are they used for? shoes with special heels _ the style of the shoes shoes with lights seeing _ hot ice-cream scoop _ really cold ice-cream in the dark serving changing Answer the questions according to the conversation in 2d. 1. When was the zipper invented? Task 5 2. Who invented the zipper? In 1893. Whitcomb Judson. 3. Where can you see the zippers? On dresses, trousers, shoes, bags. almost everywhere. 4. When did it become popular? Around 1917. 小小发明家 滑板婴儿手推车 Nothing is impossible if you put your heart into it. 世上无难事,只怕有心人 Level A: Write a short passage using passive voice we have learned today. Level B: Make four conversations using When was .invented? 学以致用-闯关抢红旗 第一关 第三关 第二关 1. The telephone _ in 1876. A. invented B. was invented C. was found D. was discovered 2.The bridge _ by the farmers in 1992. A. built B. was build C. build D. was built 二、单项选择二、单项选择 B D 3. -When _the computer_? - Sorry, I dont know. A.is; invented B. did; invent . C. was ;invented D. was; invent C 看图完成句子。看图完成句子。 1. (1885, invented) The car _ _ in 1885. 2. (1927, invented) The TV _ _ in 1927. was invented was invented When _the computer _? (1971, invented) 3. was invented B D 知识 技能 vocabulary: invent, before, after, heels, scoop, be used for. Structure: I think the TV was invented before the car. When was the telephone invented? I think it was invented in 1876. What are they used for? Theyre used for 过程 方法 Listening and speaking skills; Communicative competence. 教 学 目 标 情感 态度 Let students know “Nothing is impossible if you put your heart into it.” 教学 重点 1. To talk about the history of inventions. 2. To use the passive voice in past tense. A: When was the car invented? B: It was invented in 1885. 教学 难点 To use the passive voice in past tense. 教教 学学 过过 程程 设设 计计 教学内容及教师活动学生活动设 计 意 图 Step 1. Warm-up Show the video about the four Great Inventions to the students. And ask students to talk about the modern inventions. Telephone, car, computer, TV set，shoes with lights, shoes with special heels, hot ice- cream scoop. Watch the video 温故知新 为学习新内容 做好铺垫。 训练学生的听 力能力。 反复听说，加 深印象。 Step 2. Presentation .1a. Group work 1. Point to the pictures and ask students to say what they are. 2. Discuss in groups and number them 1-5. 3. Check the answers. .1b 1. Look at the pictures and the dates. Listen to a conversation between a girl and a woman, and then match the inventions and the dates. 2. Check the answers. .1c Pair work 1. Work in pairs. Look at 1b. Student A covers the dates. Student B, ask student A when the things in the picture were invented. Then change roles and practice again. 2. Ask students to make similar dialogues using the things around them. .2a 1. Show the inventions on it. Teach the vocabulary words. Read them again and again and try to grasp them. 2. Show another slide. Look at the picture. Here are the three inventions. You will hear a conversation between a girl and a boy. Listen and number the inventions in the Read new words . Listen and number. Pair work or group work Listen and write. Listen again and write down the 通过小组活动， 对重点句型机 械操练，使学 生能熟练应用。 order that you hear them. 3. Listen carefully again and check up their answers. 4. Ask a student to say out his / her answer. 5. The teacher shows the correct answers. . 2b 1. Show another slide. Look at the chart. It shows the people who invented these things and what they are used for. Listen to the recording again and match the items in column A, B and C. 2.Play the tape again, then check the answers. .2c Pair work Role play the conversations using the information in the chart in 2b. VII. Summary To show a mind map to summarize the key points. VIII. Homework 1. Copy grammar twice. 2.Ask the students to do the workbook and Recite words. answers. Pair work or group work Listen and speak Make their own conversations. 训练学生的听 力能力, 反复 听说，加深印 象。 加入竞争机制， 让学生活学活 用。 培养自我总结 能力，提高对 知识的接受能 力。 板书 设计 Unit 6 When was it invented? The car was invented after the telephone. When was it invented? It was invented in 1873.