英语人教版四年级下册Unit 3 Weather A Let's learn

Unit4 WeatherPeriod one A Lets learn Lets chant【教学目标】1. 能听懂会说本课的会话。2. 能听说认读本科主要单词：cold, cool, warm, hot, weather。3. 学会运用 “Its cold/cool/warm/hot in .”, 要表达准确，语调自然流畅。4. 初步了解我国几个城市的气候特点。【教学重、难点】重点：cold, cool, warm, hot, weather Its cold/cool/warm/hot in难点：能正确读单词weather【教学准备】本课时所需的单词卡片教材配套的教学课件课程相关的PPT课件四张描述天气状况的形容词卡片以及城市名称的卡片【教学过程】(一) 热身 (Warm-up)1. Greeting. 师生相互问候(二) 呈现新课 (Presentation)1. Lead-in在PPT上呈现天气图标的图片，教师指着图片问 “What can you see in the picture?” 学生会提到太阳(sun)，云(cloud)，雨(rain)，雪(snow)等答案，引导学生说出 weather. T: So we will learn Unit Three Weather (板书title). 提醒学生注意weather的读音，th咬舌尖。2. 教学单词教师准备四季图片 “There are four seasons in a year, and in different season well have different feelings. ”a. 教师呈现春天图片T: Look at the picture, do you know which season it is? Ss: 春天T: Yes, its Spring. So if were in Spring, how do we feel? Ss: 温暖的老师说出warm 并板书，同时让学生伸出手指一起写warm. 操练: 学生举手读单词，一排一排读单词. b. 教师呈现夏天图片T: Now which season is it? Ss: 夏天(Summer)T: Yes, its Summer. So how do you feel? Ss: 热的老师板书hot，同时让学生伸出手指一起写hot. 操练: 学生举手读单词，一组一组读单词. c. 教师呈现秋天图片T: Now which season is it? Ss: 秋天(Autumn)T: Yes, its Autumn. So how do you feel? Ss: 凉爽的T: Yes, its cool. 老师板书cool，同时让学生伸出手指一起写cool. 操练: 学生举手读单词，男女生各读单词. d. 教师呈现冬天图片T: Now which season is it? Ss: 冬天T: Yes, its Autumn. So is it hot in Autumn? Ss: No, it isnt. Its cold.T: Yes, its cold. 老师板书cold，同时让学生伸出手指一起写cold. 操练: 学生举手读单词，单词卡快闪读单词. f. 反复操练单词：cold, cool, warm, hot. (1) 开火车读单词 (2)大小声读单词 (3)长大个 (4) 随风倒3. 教学句型T: Ill visit several cities this weekend. Do you want to have a trip?Ss: Yes. T: So before I visit these cities, I should know the weather there. Now lets go and see. (1) 教师用PPT课件呈现拉萨布达拉宫以及15度的温度计。(2) T: Where is it? Ss: Lhasa. T: Whats the degree? Ss: Its fifteen degrees. T: When the temperature is fifteen degrees, well feel cold. So we can say its cool in Lhasa. 板书并让学生反复重复 “Its cool in Lhasa.” (3) 告诉学生拉萨位于我国西藏自治区，那里的天气很凉快，cool是形容天气凉快；而warm一词是形容天气暖和，北京的春天就是很温暖的。教师说：Its warm in Beijing.并引导学生跟读。(4) 教师提问：Where is cool? Where is warm? 启发学生回答：Its cool in Lhasa. Its warm in Beijing.(5) 鼓励学生用warm和cool描述我国其他城市的天气状况：Its warm / cool in ., 如果有不符合实际的叙述，教师可以用 It isnt warm/cool in进行简单纠正，从而为学生进一步的学习留下悬念。 (6) 呈现哈尔滨和香港图片: Where is it? 学生答出: Harbin、Hong Kong. 教师说：Its cold in Harbin. Its hot in Hong Kong. 板书并让学生跟读。(7) 教师播放Unit 4 Lets learn A部分的课件。学生观看。教师提问：Is it a weather report? 学生回答：Yes, its a weather report.让学生利用模板来做小小天气预报员。“Good morning. This is the weather report. Its .in .today. ”(8) 引导学生用What the weather like in?提问关于我国其他城市的天气状况。5. 句子趣味操练 来那个人小组活动。学生A手中拿着城市名称卡片，学生B手中拿着天气卡片。学生A随意拿出一张卡片并说：Its, 学生B根据A拿的城市的天气状况拿出相应的天气卡片并说：Its, 然后两人一起说: Itsin.6. Lets chant. (1)教师用课件出示冬天下雪的图片，说: “Look, its winter now. Its snowing. I feel cold. What should I do?”,并边说边做“冷”的动作，引导学生回答: “You should wear warm clothes”. 教师用课件出示春天阳光明媚的图片，说: “Winter goes and spring comes. It is warm now. Its warm inside. I wear clothes. What should I do?” 引导学生回答: “Take off some clothes.”(2)教师播放两遍歌谣录音，全班学生跟着录音唱歌谣，然后让学生分男女比赛唱歌谣。 (3)帮助学生明白，在不同的季节要穿不同的衣服。(三) 总结单词: cold, cool, hot, warm句型: Its cold in Harbin. Its cool in Lhasa. Its hot in Hong Kong. Its warm in Beijing. (四) Homeworkcold, cool, hot, warm 4+1Make a weather report to your pare