Unit Six Get Close to Nature Lesson 21 Snow Turns into Water（课件）-2025-2026学年北京版英语四年级上册

该小学英语课件核心围绕水的状态变化及温度与天气描述展开。课堂导入通过歌曲、图片讨论激活已知，以“上学路上-教室-操场”情境为支架，结合对话、视频及阅读，逐步呈现雪变水、水变冰等知识，帮助学生构建连贯的知识脉络。 其亮点在于融合语言能力与思维品质，通过Let's act角色扮演（如雪人融化情境对话）、Think and say问题探究（叶子上的水成因）等任务型活动，提升语言运用与逻辑思考。采用情境教学法，以retell和write结构化小结，学生能在实践中深化理解，教师可借助系统活动设计提高教学效率。

Lesson 21 Snow turns into water Unit 6 Get close to nature 1 Enjoy a song 资料 Let’s talk What do you know from the pictures? 1. Who are they? 2. Where are they? 3. Which season is it now? 4. What’s the weather like?  It’s so cold today.  Yes. I can see your red nose. Haha! Let’s learn cold 0 -20 20 Let’s learn  Look! There is ice on the window.  Wow, so beautiful! Why is there ice? Let’s watch a video 资料 Let’s learn  Look! There is ice on the window.  Wow, so beautiful! Why is there ice?  The room is warm, and the glass is cold. The water in the air gets cold on the glass. It turns into ice. Let’s learn  Look, it’s snowing outside. I love snow.  Me, too. Let’s go out and have fun after class. Let’s learn  Oh, no! The sun comes out. Snow turns into water. Where is the snow?  That’s too bad. Let’s read P70 Let’s read P70 Let’s act It’s ________ today. Guoguo’s nose turns ______ on the way to __________. In the ____________, there is _______ on the window. Because it’s ________ in the room. The water in the air gets ________on the glass. It turns into __________. It’s __________ now. They want to go out and have _____ after class. But the _____ comes out. Snow turns into ________. They can’t play. cold red school classroom ice warm cold ice snowing fun sun water Let’s retell Let’s write P71 cold turns into ice into water turns B A C Listen and choose hot fly cool turn into water cold turn into snow and ice Listen and retell P72 Think and say water It gets ______ here. Water ____________ again. cold turns into ice Think and say Think and say 资料 Think and say It turns cold at night, the warm air becomes water. In winter, when we come into a warm room, there is water on the glasses . Do you know why? Because the ______ air meets the ______ glasses, it turns into _______. warm cold water Think and say We can see some water on the bottle of iced drink. Do you know why? Because the ______ air meets the _______ bottle, it turns into ________. warm cold water Think and say Lavf57.25.100 null 4127.3545 null 5564.095 EV录屏5.2.1软件录制 Lavf58.33.100 本视频由湖南一唯信息科技开发的EV录屏软件录制, www.ieway.cn null 9978.774 Lavf57.25.100 $