1、Objectives 1. To understand and describe how food tastes. 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 pot
2、ato chips were invented by mistake? Wow, I didnt 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
3、to, all of a sudden, more than, by mistake Periods1 Procedure Lead-in Discussion : A bite of China, eat lovers Step 1 What are they called?How do they taste? Let students name the food and the tastes. Step 2 Free Talk. Ask Ss the questions: A: What are they called?B : They are called A: How do they
4、taste?B : They taste And write the names of the food after the taste. 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 pot
5、ato chips. E.g.: A: Did you know potato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A: . Step 7 Brainstorm. Introduce to Ss how some food was invented, like sandwich. Step 8 Summary. Review the new words and key phrases. What have you learned from the class? -“Small inventions changed the world by accident”. Step 9 Talk about the junk food. Hopefully students eat less junk food , it tastes nice , though. Step 10 Homework: Write an article about the history of one invention.
