九年级英语全册 Unit 6 When was it invented section B 1教案 （新版）人教新目标版-（新版）人教新目标版初中九年级全册英语教案.doc

Unit 6 When was it invented
Section B-1
Class Type
Listening and speaking
Objectives
1. To understand and describe how food can taste.
2. To learn the history of potato chips by listening carefully.
3. To practice talking about the invention of potato chips.
Key structure
1. The customer was happy in the end.
2. Do you know how potato chips were invented?
3. Did you know potato chips were invented by mistake?
— Wow, I didn’t know that. Who invented them?
Difficulties
How to understand and talking about the invention of potato chips.

Vocabulary
Fridge, low, somebody, translate, lock, earthquake, sudden, bell, biscuit, cookie, musical, instrument, sour, customer
be brought to, all of a sudden, more than, by mistake
Periods
1
Procedure
Lead-in
Revision.
Ask Ss to translate some key phrases into Chinese.
Step 1
Discussion.
Show Ss some pictures about the delicious food and let Ss list some food with the same tasty.
Step 2
Free Talk.
Ask Ss the questions:
1. Do you like eating potato chips?
2. Which kind of taste do you like?
3. Do you know how they were invented?
Step 3
Activity 1c.
Listen and circle T or F.
Step 4
Listen again and answer some questions.
Step 5
Activity 1d.
Listen again and then complete the sentences.
Step 6
Pair works.
Let Ss make conversations about the invention of potato chips.
E.g.:
A: Did you know potato chips were invented by mistake?
B: Wow, I didn’t know that. Who invented them?
A: ...
Step 7
Brainstorm.
Introduce to Ss how some food was invented, like sandwich, post-it notes, and corn flakes.
Step 8
Free talk.
Ask Ss to talk about other food they know and how were they invented?
Step 9
Language points: explain the key words and phrases in section B-1.
Step 10
Examples and exercises about the language points.