人教版九年级全册Unit 6 When was it invented？SectionB 2a-2e 教案

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 student’s listening and communicative
Process and Methods
1. Learn some adjectives to describe the taste of food
2. To train student’s 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 passive 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
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 ___________.
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 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 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 material
T:Of all these food, I like potato chips best. Do you know why Because there is an interesting story about them. Next , let's enioy a sitcom that is about the history of potato chips.
Several students performed their sitcom. After performing , students can answer the following two questions.
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 not 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 mistake
B: Wow, I didn't know that who invented them
A:.....
B:......
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 ________________________.