1、Unit6 When was it invented ？Section B 1 (1a-1e) Teaching aims 1. lanuage knowladge： 1)Master new words ：crispy, salty, sour, by mistake, customer, 2) Master the following sentences： Potato chips were invented by mistake. These stars encourage young people to work hard to achieve their dreams. 2. Emo
2、tion aims ： Understand the information about the great inventions in the world ,open sseyes and culture ss the habits of thinking often and being good at discovering and thespirits of creating Teaching important points Teaching important： 1) to master the new words of the lesson. 2) to improve the s
3、slistening abilities . Teaching difficulties to improve the sslistening abilities Teaching process Step 1 Warming up 1. L et Ss watch an interesting picture. 来源:Z|xx|k.Com 2.Ask some questions about them. 1. What did they eat? S1: potato chips. 2. What do you think of potato chips? S2: Sweet,crispy,
4、 and delicious! Well lets look at some other delicious food, please. Step2Talking Work on 1a 1. Tell Ss that the words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 2. Ss work with their partners and try to write some proper wor
5、ds under the pictures. 3. Let some Ss read their answers. Try to remember the new words. Work on 1b 1. Let some Ss read the adjective words in the box. Make sure they all know the meaning of each word. 2. Ss discuss with their partners. Try to write the name of a different food after each word. Lear
6、n the new words together: Step 3. Listening Work on 1c 1. Tell Ss the conversation is about how the potato chips were invented. The story is very interesting. 2. First, let one Ss read the sentences in 1c. Make sure they know the meaning of each sentence. 1. Potato chips were invented by mistake. 2.
7、 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. George wanted to make the customer happy. 6. The custom was happy in the end. 3. Play the recording for the Ss. Listen for the first time. Play the recording ag
8、ain and judge T or F. Keys: T, F, T, F, F, T 4. Listen and answer the questions. 1. Who invented potato chips? 2. When were they invented? 3. What did the custom order at the restaurant? 4. What did the custom think of the potato chips George cooked at first? 5. How did George cook the potatoes then
9、? Work on 1d 1. Let Ss read the article in 1d first. Tell Ss to listen again and fill in the blanks with the right words. 2. Play the recording again for the Ss to listen and write the words. The History of Potato Chips Do you know how potato chips were invented? Potato chips _ by a cook called Geor
10、ge Crum. They were invented in _. George Crum cut the potatoes really, really _ and then cooked them for a long time until they were _. Finally he put lots of salt on them so they were _. Keys: were invented, 1853, thin, crispy, really salty Step4 . Pair work 1. Work in pairs. Make a conversation ab
11、out the invention of potato chips. Use the information in 1c and 1d. 2.Ask some pairs to act out their conversation in front of the class. Step5. Group work Show some pictures of four great inventions and other Chinese traditional artsl. Ask Ss some questions them. Discuss with your partner and shar
12、e your ideas with the class. Step 6 Summary New words: crispy, salty, sour, by mistake, customer, sentences：He cooked them for time till they were crisp Potato chips were invented by mistake. He thought that the customer could hate him Never forget why you started, and your mission can be accomplished. Blackboard writing: Section B 1 (1a-1e) New words: crispy, salty, sour, by mistake, customer, sentences：he cooked them for time till they were crisp Potato chips were invented by mistake. He thought that the customer could hate him
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