1、Unit 6 When was it invented ? Section B (1a-1e) Teaching Aims Knowledge and skills 1. Master the key words : crispy , salty , sour , customer , by mistake 2. To know the history of potato chips 3. Improve students listening and communicative Process and Methods 1.Learn some adjectives to describe th
2、e taste of food 2.To train students listening skill by talking about the history of potato chips Emotion Attitude and Values Lead students to know the importance of inventions in daily life Teaching Key points and Difficulties Key points 1.Mater the new words and target language 2.Mater the use of p
3、assive voice 3.Develop students listening and speaking Difficulties Train students listening and speaking skills by talking about the history of food Teaching Aids A tape recorder , some bags of potato chips and some other objects and PPT Teaching Procedures Step1 Warm-up A: What is this in English?
4、 B: It is a bag of potato chips. A: Do you want to eat them? B: Yes. The teacher invites some students to taste potato chips. Then she asks their feelings about potato chips. A: What do you think of it?/How do you like it? B1: It tastes _./ It is _. B2: It tastes _./ It is _. B3: It tastes _./ It is
5、 _. The teacher writes down the new words on the blackboard and teaches students about the new words until they can read them fluently. A: Are you thirsty? B: Yes. A: Would you like something to drink? B: Yes. A: How does it taste? B: It tastes_. Students practice the new words one by one according
6、to the pictures in ppt. A: How does it taste? B:It tastes_. A: How do they taste ? B: They taste _. Step 2 Consalidation 1a, 1b Just now, we talked about five tastes 。The teacher encourages students to add more food to different tastes. Sour： Sweet： Bitter Hot： Salty： Then the teacher asks a student
7、 to share a Chinese article about tastes. 人生五味 人生有五味，五味最常在。酸甜苦辣咸是舌尖上最直接的体验。为 什么觉得生活像五味？因为他们和酸甜苦辣咸一样我们都得品尝透 彻，感悟清楚。 酸：酸像美丽的人生初恋，还未真正懂得就已经觉得甜或苦了。 甜：甜是一种美妙的味道，是一种简单的幸福。 苦：苦是人生中最忧愁的部分，也是最能考验人的意志。 辣：就是这样神奇，让你不知不觉上了瘾，先是一种刺激，再来一 种满足，最后就是依赖了。 咸：吃咸是种讲究，多则不行，少则也不行，咸淡平衡才是菜品的 最高境界 Step3 Previewing the listening
8、 material T:Of all these food, I like potato chips best. Do you know why ? Because there is an interesting story about them. Next , lets enioy a sitcom that is about the history of potato chips. Several students performed their sitcom. After performing , students can answer the following two questio
9、ns. 1. Who invented potato chips? 2 . When were potato chips invented? Step4 Listening Let students look at the material and listen to the tape in 1c,1d . Then check the answers. 1.Potato chips were invented by mistakes.( ) 2.They were invented in 1863.( ） 3.The customer thought the potatoes were no
10、t thin enough.( ) 4.The customer said they were not salty enough.( ) 5.Geroge wanted to make the customer happy.( ) 6.The customer was happy in the end.( ) Step5 Pair work Have two students role-play the conversation about the invention of potato chips. A: Did you know potato chips were invented by
11、mistake? B: Wow, I didnt know that who invented them? A:. B:. Step6 Homework Summarize the main idea of listening material and rewrite them. Potato chips were invented _by a cook called George Crum. They were invented in _. George Crum cut the potatoes really, really _ and cooked them for a long tim
12、e until they were _. Finally, he put lots of salt on them so they were _. Blackboard Design Unit 6 When was it invented ? Section B (1a-1e) New Words crispy, sweet, bitter, salty, sour, hot, Important Phrases by mistake, not. enough , make. adj, in the end / at last/ finally Target Language A: How does it taste? B:It tastes_. A: How do they taste ? B: They taste _. 教学反思 本节课谈论食品土豆片的发明史。由实物引导学生思考的教 学方式， 学生很感兴趣。在教学过程中，我发现有些学生对所查找 的食物名称不是很了解，不能说出有些食物的名称。所以在今后的 教学中，老师和学生都要做好课前准备，让学生明白充足的准备才 能保证课堂的有效性。
