(
课件网) 嘉善县泗洲中学 江 洁 The power of plants Reading & Thinking 单元主题：The importance of plants Plants are important in the natural world. 01 Plants are useful to people. 02 Plants means a lot to cultures. 03 三大子主题 人与自然 3 4 语篇研读 What Why How 主语篇within a plant是一篇配图科普说明文，使用拟人手法，将植物的光合作用过程描述成工厂运作的模式，植物的每个部分都被赋予了工人的角色，形象有趣。 本单元的起始，通过问题链“What can plants do for us？”引导学生了解植物的重要性和光合作用的过程，目的是激发学生对于植物世界的探索欲望，为后续学习植物的相关知识做铺垫，培养认知能力。 通过观察图片描述植物的根茎叶部分 结合图示帮助学生了解光合作用的产生过程 Learning Objectives By the end of this lesson, you will be able to: Name the parts of a plant with new words. Describe how plants work and grow. Talk about the importance of plants in the nature and our life. 教学目标 学情分析 语言基础 学习能力 生活经验 文本：涉及植物的工作原理，专业性强，难度较高，学生需有一定的阅读能力。 语法：一般将来时，已在之前的学习中有初步接触。 学生感兴趣的话题，积极参与讨论有助于激发学习的积极性，提高语言表达能力和思维能力。 在生活中对植物有一定的认知，为本单元学习提供了丰富的生活经验基础。 Pre-reading While-reading Post-reading Homework Watch and answer: What do plants need to live 8 Pre-reading While-reading Post-reading Homework What are the people doing She is buying vegetables. He is building a house. They are doing an experiment. They are painting. What can plants do for us They can provide food. They can provide building materials. They can be used for scientific research. They can provide beautiful environment. 9 What can you see in the picture Can you name the parts of it Pre-reading While-reading Post-reading Homework Look at the picture and match the words to it. sugar sunlight leaf water Who is he Chlorophyll （叶绿素） B. Chloroplast （叶绿体） Pre-reading While-reading Post-reading Homework Within a plant It's quarter past seven. Here's Worker No. 55 in his green uniform. He's going to start work in the plant. He works in Workshop 1001 in the Leaf. There are 20 to 100 workers in each workshop. They collect sunlight and CO2, during the day. Now workers from the Root send up water. The water will rise up to the Leaf through the Stem. Then workers in the Leaf will mix water, CO2, and sunlight. What are they going to produce Most importantly (for them), there will be sugar! It's useful for the growth of the plant Another product will be oxygen, but the plant doesn't need much of it. It means a lot to animals and humans, though - they need it to breathe! The workers work hard. Soon it's going to get dark. They will take a rest. There are millions of plants on earth. They give more than food and oxygen. Without plants, the natural world would be very different! Choose the main idea . How to make sugar How plants work Why plants are great Going to the green workshop Pre-reading While-reading Post-reading Homew ... ...
