Unit 6 When was it invented SectionB(1a-1e)课件 2024-2025学年人教版九年级英语全册

Section B (1a-1e) Unit 6 When was it invented? 1 课时教学目标 语言能力: 1.能够正确运用课时词汇和一般过去时的被动语态结构； 2.能够完成听说活动，了解薯片的发明史。 思维品质: 通过听力活动练习，能精准提取关键信息，锻炼思维的逻辑性；了解薯片的发明历史，认识小发明创造的大价值，提升批判性思维。 文化意识： 了解薯片的发明历史，认识小发明创造的大价值。 学习能力: 能够通过听前预测、抓关键词等方式获取主旨大意，通过小组合作、角色扮演等方式强化对目标语言的理解。 2 Enjoy a video. Lead-in How many kinds of food are mentioned? Four. sweet How do they taste? salty sour spicy 3 Different tastes Lead-in sweet salty sour spicy crispy 4 1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. sweet crispy salty sour ________________ ________________ ________________ ________________ crispy salty sour ____________ ____________ ____________ ____________ sweet salty 5 1b sweet ____________________________ crispy ____________________________ salty ____________________________ sour ____________________________ Write the names of different foods after each word. banana watermelon potato chips candy cookie biscuit grape cheese salted fish lemon vinegar 6 Prediction 1c What may the listening material be about? A. How potato chips were invented. B. How to make potato chips. C. How potato chips taste. 7 1c, 1d 8 1c Listen and circle T for true or F for false. 1. Potato chips were invented by mistake. T F 2. They were invented in 1863. T F 3. The customer thought the potatoes were not thin enough. T F 4. The customer said they were not salty enough. T F 5. George wanted to make the customer happy. T F 6. The customer was happy in the end. T F 错误地；无意中 n. 顾客；客户 adj./adv. enough 足够…… make sb. +adj. 使某人…… 最终 9 Key points I picked up your bag ________ ________(错误地). The boy thinks the ice cream is not______ _______ (足 够甜). 3. With the teacher’s help, he passed the exam ___ ___ ____ (最终). 4. Jim tried his best to ______ his little sister ______(使……开 心). 活学活用 by mistake sweet enough make happy in the end 10 1d Listen again. Complete the sentences. The History of Potato Chips Do you know how potato chips were invented? Potato chips _____________by a cook called George 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 __________. were invented 1853 thin crispy really salty 11 Complete the mind map. When: in 1853 Where: in a _________ Who: a _____called George Crum How: A customer came into a restaurant. He _______ fried potatoes.When the potatoes came, they were_____ back to the kitchen because they were too______. But this made the cook ______, so he cut the potatoes really thin and cooked them for a long time until they were crispy, and he ______ lots of salt on them, so the potatoes tasted really salty. He thought the customer would _____ them. Result:The customer______ them so much that he _______ for more and told others. The history of potato chips restaurant cook sent thick angry ordered put hate loved asked 12 1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. A: Did you know potato chips were invented by mistake? B: Wow, I didn’t know that. Who invented them? A: It’s said that they were invented by a cook called George Crum. 13 When were they invented? They were invented in 1853. 1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. 14 Why was it an accident? Well, one day, a customer ordered a plate of fried potatoes. But when the potatoes came, he said they were cut too thick and sent them back to the kitchen. 1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. 15 Then what happened? George cut the potatoes really, really thin and then cooked them for a long time until they were crispy. He put lots of salt on them so they were really salty. 1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. 16 Summary Listening and speaking Words and phrases Key sentences Listening tips crispy, salty, sour, by mistake, customer Potato chips were invented by mistake. Predict what the listening material may be about according to the illustration and the context before listening. They were invented in 1853. Potato chips were invented by a cook called George Crum. 17 Homework 实践性作业 What kind of food is there in your hometown? Please do some research on it and sort out the history of its invention. 1 2 18 67499.18 69092.805 $$