浙江省温州市龙湾区实验中学九年级英语全册 Unit 6 When was it invented？（第3课时）教案 人教新目标版.doc

unit 6 when was it invented？一. 教学目标 1. 语言技能目标结合自己的生活经历，能描述食品的味道，能用英语描述薯片的发明过程。2. 语言知识目标a. words and phrases：crispy，salty，sour，（by）mistake，chef，sprinkle，lemonb news patterns:1.it tastes they taste2.did you know potato chips were invented by mistake？3.i think it would be better to have.3. 学习策略目标通过听力技巧的训练，培养听写能力。4 情感态度目标了解薯片的来历，拓展视野、丰富生活经历，对食品领域有所涉猎。二. 教学重点1.学习新的词汇和短语，并能在句中听出并理解他们。2.结合自己的生活经历，能描述食品的味道，能用英语描述薯片的发明过程。三. 教学难点掌握听写的技巧。四. 教具ppt五. 教学过程step1. revision1. what are they used for？theyre used forshoes with adjustable heels（heated ice cream scoop，battery-operated slipperslight bulbs ，microwave oven，）step2.presentation1.t: we know some inventions now，how about food？please look at these pictures. t: how do they taste?（lemons） ss: they taste sour.t: what else tastes sour? ss: vineger/(the same way to teach: ice cream- sweet tea- bitter potato chips- crispy and salty)2.t：different foods have different tastes (n.), so they taste (v.)different.write the name of different foods after each word.（tastes）-1b3. practice the new words- self check fill in each blank with the correct word given.（p73-1）4.for fun: what does “a couch potato” mean? read and guess!（ppt）small potato 小人物,微不足道的人hot potato 难对付的人the clean potato 最适当的事物，正派的人 potato-head 傻瓜potato digger古板守旧、不受欢迎的人 couch potato 吃饱饭后成天窝在沙发上看电视的人 mouse potato整天坐在电脑前的电脑迷step3.llistening1.t：as food, how was potato chip invented? do you know the history of potato chips?they were invented by a chef called george crum one hundred years ago.but he invented them by mistake. 2. now lets listen(2a) and circle “t” (for true) or “f”(for false).l before listening, you should read the information carefully and quickly and guess the answer.(listening strategy 1)3. .listen again.compete the sentences.(2b)l while you are listening, you should listen for the key words.(listening strategy 2)4.write(填空)- the history of chips(见ppt)5.according to the message,then tell a story.step4. dream if i were a chef, i would like to . (见ppt)step5.homework1.wb2.tell the story of potato chips.3.listen 2a、2b4.make two sentences.六.bb designunit 9 when was it invented? sectionb1a-2ccrispysaltysour（by）mistake，chef efsprinkle sprikllemon1.i