北京版四年级上册UNIT SEVEN I WHAT IS NATURE -Lesson 25-教案、教学设计--(配套课件编号：b011b).docx

1、北京版教材 四年级上 课题：课题： Unit7 What is nature?Lesson25 课时教学设计课时教学设计 第七单元第七单元第三课时第三课时 教学内容：教学内容：Unit7 What is nature? Lesson25 教学目标：教学目标： 1.能正确理解课文内容，能熟练、有感情的朗读或表演课文。 2.能用 We/ cant live without water/ .表达方式在日常生活相似情景 表达人与自然的关系。 3.培养学生热爱大自然，保护大自然的意识，并能感受到自然的美好和对人类的 重要性。 重点：重点： 对课文的理解，尤其是“nature”的正确理解。 难点：难点：

2、能用 We/ cant live without water/ .表达方式在日常生活相似情景表达人与自 然的关系。 教学过程及环节：教学过程及环节： 一、 Warm up 活动一：Greeting T: Nice to meet you! Whats the weather like today? Ss: Its T: What do you do on weekends? Ss: Talk about it . T: 设计意图：通过简单的问候拉近师生距离，快速进入英语学习的状态。 活动二：Enjoy the pictures. T: I went to Shidu last weekend.

3、 I took many pictures. Do you want to have a look? Ss: Enjoy the pictures. T: Do you like these pictures? If you do well, you can get it. I really love photography. Because I love flowers.I love trees.I love animals.I love nature. I feel happy to close to nature. Please think about the nature, Can y

4、ou say something about it? Try to guide the Ss to say the natures. 设计意图：通过此活动唤起学生对 nature，大自然一词的理解和认识，学生会说出一些词汇 句子，与大自然相关，来拓宽对 nature 的理解和为下面的学习做好铺垫。 二、 Presentation 活动一：Show the P1 (Baobao and Sara are talking). T:She is Sara.What does she often do? Does Sara love nature? Ss: Talk about it. T: Do y

5、ou love nature?Whos he?They are talking about nature.Do they know a lot of nature? Now lets watch and listen to the story. Ss:Sara is not sure. T:What do they do ? Anything else? Ss :They find out on the Internet. (Show the picture of P2 ,read and learn word“internet” several times.) 设计意图：播放无字幕的故事动画

6、，整体感知对话内容，学生们能知道 Baobao 和 Sara 也不 确定 nature,所以他们想上网查。 活动二：Show the P2 of the dialogue. T: Lets listen again ,What is nature from the internet? Ss: Everything is nature. Water, air and trees . T:Lets find out on the Internet too. T：Can you say more? 设计意图：通过整体带字幕的故事呈现，孩子找到答案，带学生上网查找“What is nature?” 结

7、合板书，让学生们体会 Everything is nature. 活动三： T: Nature is becautiful.Do you love nature?Look! (出示水、 空气污染图片)Do you think nature becautiful now?Can we drink the water? Can fish swim? If there is no water, Can we live?(讨论水的重要性） If there is no air,Can we live?(Lets have a try.倒计时憋气实验) Ss:No. We cannot live. T:

8、 So“there is no” means “without” (learn the word “without”) We can say:We cant live without water or air. 设计意图：通过讨论水的用处和憋气实验，让学生更加深入体会到我们生活离不开水，空气 和树木，同时在学习中通过比较自主体会“without”并进行词汇的学习。 活动四：Watch a video.Nature is speaking T: (出示水和空气被污染的图片） Water and air are very important for us, but now they are cry

9、ing. Lets watch a video. Ss:观看视频后说出体会。 T:We should protect our nature environment. Because we cant live without water/airand other natures we call them “these things”. Ss: We can not live without these things. 设计意图：让学生体会生活中离不开水和空气，还有自然界中动植物。通过空气、水被污染 的图片和视频让学生们感受到人类需要自然，要保护自然。 三、 Practice 1.Read wit

10、h flash.（多媒体重复跟读） 2.Role play.（分角色跟读，关注文本） 3.Read in pairs.(两人分角色练习，互相帮助） 设计意图：在学习对话时，从听入手，在多次语言输入的基础上，通过多种方式的读，引导 学生体验语言的使用，通过小组内对话练习与展示，树立学生学习英语的自信。 四、 Production 1.language use ,practice the sentences. T: Today Mingming and his classmates dont go to school.They go out to play. Look! They are Lets

11、 play a gussing game. What are they talking about? Ss:We cannot /cant live without . 2.T:How about other animals and plants? Guide students to say “ cannot/cant without .” Ss: Try to say others animals and plants to practice the sentence. 3.Talk with partner and show. cant without . 设计意图：在情景中学生们能用 W

12、e cant live without .来表述生活中离不开的自然 现象。通过教师引导与小组讨论等，学生们能用 cant without . .来表述场景中 其它的人与自然的关系。 五、 拓展 1.Watch a video 设计意图：通过观看视频，拓展思路，感受自然的美好。 2.T:What can we do for nature? T:We know nature is our home. We can we do for nature? 设计意图：让孩子体会自然让生活更加美好的同时，提出问题：我们能为自然做什么？来进 行德育渗透。 六、Homework 1.Practice the dialogue. 2. Talk about the picture with your parents. 板书设计: