Unit 5 The power of plants Understanding ideas课件 2025-2026学年外研版七年级英语上册

该初中英语课件围绕“植物的力量”主题，涵盖植物结构、光合作用及重要性等核心知识。课堂通过视频导入植物部分名称，结合图片匹配阳光、水等关键词，以“工厂和工人”的拟人比喻搭建学习支架，引导学生从植物结构过渡到光合作用过程及意义理解。 其亮点在于融合多模态资源（含text video及光合作用示意图），通过拟人手法（如“workers”描述）和双关语“plant”讲解，提升语言能力与思维品质。任务设计分层（如MUST DO与CHOOSE TO DO作业），助力学习能力培养。学生能在生动情境中掌握知识，教师可直接利用结构化资源提升教学效率。

上 Unit 5 The power of plants Understanding ideas 2026新外研版七上 1. describe plants using the vocabulary and expressions in this part. 2. read a passage to learn how plants work. 3. understand the importance of plants in the natural world. Learning Objectives By the end of the lesson, you will be able to... 1. What’s the video mainly about? 2. What parts do plants have? The parts of plants. Root(根)and shoot(枝) (stem(茎), leaves, flowers and fruits.) Warming-up sugar sunlight water What can you see in the picture? A plant. Do you know the names of its parts? leaf stem root Pre-reading /stem/ /ruːt/ It’s like a factory, and it has two workshops. Some workers are working. Pre-reading sugar sunlight water sunlight sugar water Look at the picture and try to match the words to it. 1 Pre-reading sunlight sugar water Now, let's read to check your answers. Pre-reading What’s the picture about? The picture is about photosynthesis. (光合作用) It happens within a plant. /ˌfəʊtəʊˈsɪnθəsɪs/ Enjoy the text video Where can we read this passage? A. In a newspaper. B. In a diary. C. In a science magazine. While-reading Task 1 Read and choose. While-reading Task 2 Read and match. A The products are sugar and oxygen. C The process of the work in the Leaf. D Plants are important. B The day gets dark. Workers will take a rest. E Worker No.55 is going to start work. E C A B D Task 3 Read para. 1 and answer. 1. When do workers start work in the plant? At a quarter past seven. 2. Are there any real workers in the plant? No, there aren’t. 3. Why does the writer use “workers” in the passage? To make the passage more vivid(生动的) and easier for the readers to understand. 拟人(personification)是一种常见的写作手法，是将人类的特征、情感或行为等赋予非人类(如动物、物体、概念、自然现象等)。拟人能够使文章更加生动形象、主题突出，从而能引起读者更强的共鸣和更深的思考。 While-reading Read para2-3 and complete. leaf rise up Water sugar breathe Photosynthesis 光合作用 While-reading Task 4 Read para. 4 and answer. When will the workers take a rest? They will take a rest at night. At night, they only perform respiration(呼吸作用). While-reading /ˌrespəˈreɪʃn/ Task 5 Read para. 5 and answer. What does the writer think of plants? They give _________ food and oxygen to people. They are ___________ to animals and people. more than important While-reading √ Post-reading Choose another suitable title and give your reasons. 3 /ˈsuːtəbl/ 合适的 Tip: Pay attetion to the picture and key words. 15 Post-reading Do they have the same meaning? What does “plant” mean in the title? The word “plant” has two meanings. The left one is about the place the workers work in. The right one is about the living thing. Think and share. 16 In what other ways do plants help the world? Think and share. Plants clean the air and help stop floods. They provide homes for animals and reduce the effect of climate change. Post-reading 17 MUST DO: Read the passage until you can read fluently. Remember the words and expressions we learnt this lesson. CHOOSE TO DO: Describe the process of photosynthesis（光合作用）in English. Homework Lavf58.29.100 Bilibili VXCode Swarm Transcoder v0.3.78 Lavf59.14.100 $