九年级英语全册 Unit 6 When was it invented Period 2教学案 （新版）人教新目标版

九年级英语全册 Unit 6 When was it invented Period 2教学案 （新版）人教新目标版课题名主备人课时Period 2(Section A 2a-2d)学习目标1.Knowledge Object: Talk about the history of inventionsIt was invented in 1876. What was it used for?It was used to talk to people in other towns.Master: be + pp.2. bility ObAject. ：1）能运用所学知识练习被动语态的句式。 2）能用所学句型进行交际练习。3.Emotion Object:培养学生的听说演等能力及合作学习的意识。学习重点1Key Vocabulary2Target Language3Train the students to talk about the history of inventions.学习难点被动语态的运用及构成。教学步骤教学过程二次备课I.温故知新翻译下列年代：1 nineteen seventy-one_ 2 eighteen eighty-five_ 3. eighteen seventy-six_ 4.1927_ 5.1976_II.兴趣导入Lolook at the pictures. There are some invention. (alarm clock, light club, microwave oven) . Ask students to read them loudly.III.感受新知1.Ask students the following questions.Is the light club useful or annoying?2. Ask the students to make a list of five helpful inventions and five annoying inventions on their own, move around the room to offer help as needed.3. Let the students who would like to share their answers to read to the class. IV.梳理巩固 3b.1.Ask the students to pay attention to the conversation. Ask two students to read the conversation.2. Ask the students to discuss their opinions in 3a with their partner.Groupwork 1.Show a picture. Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you.Choose five inventions you would like to have on the island with you.Tell the group what you choose and why, then discuss in a group.2.Tell the group what you choose and why, use these sentences. I think the most helpful invention isId like to have a because I couldIts used forI also want a because it3.Ask the students to discuss in a groupV.拓展探究组内探讨：1.invent (v.)发明；创造invent指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。例:Bell the telephone. 贝尔发明了电话。Smith a new teaching method. 史密斯发明了一种新的教学方法。discover, find, create 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。VI.课堂检测Columbus America in 1492.1492年哥伦布发现了新大陆。Recently they have a et. 最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。Ive tried to another copy but couldnt one. 我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Man himself. 人类创造了自己。A novelist characters and a plot. 小说家塑造人物并设计情节。VII.教学反思