九年级Unit 6 When was it invented崔娇娇教案

1、Unit Six When was it invented?Section B(1a1e)芭蕉初级中学 崔娇娇类别第四课时重点单词（adj.）脆的；酥脆的(adj.)咸的（adj.）酸的；有酸味的（n.）顾客；客户重点句式1.Did you know potato chips were invented by mistake?你知道土豆片是被错误地发明的吗？I didnt know invented them?我不知道，是谁发明的? customer thought the potatoes were not thin enough.顾客认为土豆不够薄。 he put lots of salt

2、 on them so they were salty enough.最后他在它们上面撒了许多盐以使他们足够咸。技能目标：结合听说读写，能正确运用一般过去被动结构去谈论物品。情感目标：从本堂课的薯片发明这个有趣味的故事中，感受到英语学习的乐趣。从听说读写四个方面感受到英语的实用价值。教学环节：Step1 Greeting &Checking their homeworkAsk some groups to show their dialogues practiced in the last classA:When was the computer/telephone/car/TV invent

3、ed? B:It was invented in .A:Who was the computer/telephone/car/TV invented by?”B:It was invented by.Step 2Leading-inIn section A, we know many inventions were invented by accident, such as tea and gunpowder. In section B,we are going to learn something that was invented by mistake. They are a kind o

4、f food,and they taste you want to know? OK? Lets be ready for the listening part 1b and 1c.Step 3 Listening Teacher presents them on the blackboard:(listen to the tape for the first time)1. The name of the invention: were they invented: were they invented by: Occupation(职业): (After listening, check

5、the answers by asking some students)Answers: chips 1853 3. George Crum (listen to the tape for the second time and the third time and write down some key words and phrases to help you retell the story.) the customer(顾客)like the food at first? Why? did Crum feel after the customer send the food back

6、to the kitchen? did Crum do with these food that were sent back? the customer enjoy the food in the end(=at last,finally)? (After listening, check the answers by inviting some students)Answers:, he didnt. Because he thought they were cut too thick. felt angry. cut them really really thin and cooked

7、them for a very long time until they were crispy. And he put lots of salt on them and they tasted salty.,he did.Step 4. Retelling & writing(homework) Show some sentence patterns like:Let me tell you the story of potatoes .were/was invented by mistake . were/was invented by .were/was invented in (det

8、ails of how potato chips were invented) Divide the students into four groups and guide the students to make some complete sentences individually to introduce potato chips(Also, students can write down the sentences they make). Invite some students to show,and choose the best group according to the n

9、umber of their mistakes they make during the presentations.Show them an example:Do you like potato chips? Do you know how the potato chips were invented? Now,let me tell you.Potato chips were invented by were invented by a cook called George Crum in 1853. One day a customer thought the fried potatoe

10、s werent thin enough and werent salty George cut them really thin and cooked them for a long time until they were he put a lot of salt on them so they were salty. Surprisingly, they tasted good. People have been enjoying potato chips since then.（ask them to read the example and imitate it, try to wr

11、ite a short essay to introduce the story about how tea was invented.）Step 5 Drills dont like lemons because they are too s . and Lily are often m them for each other. a restaurant,c u are the most important. fish was too s because my mom put too much salt on it. often put the food into the f r to keep it fresh in summer. potato chips are not enoug