Unit 2 Plant a Plant!-Lesson 8 Why Are Plants Important -ppt课件-(含教案)-市级公开课-冀教版八年级下册英语(编号：40871).zip

Lesson 8 Why Are Plants Important?Plant a Plant!Unit 2图片 2张Which school would you like to study in? Why?Think about it.*Enjoy the video and think about the functions(作用，功能) of forest.New words: pleasant adj. 使人愉快的使人愉快的 shade n. 树阴；阴凉处树阴；阴凉处 fulfill v. 达到；执行达到；执行 basic adj. 基本的；基础的基本的；基础的 soil n. 土；土壤土；土壤People can eat plants or use them as medicine.Plants help make the air clean and fresh.Many animals live in the forest.Books, paper, pencils and erasers all come from plants.Animals eat the fruit from the trees.The plants cover the soil and can stop the dust.When the weather is sunny and hot, people can sit in the shade under a tree.The plants make everything look beautiful.People use wood from trees to build houses and furniture.Listening Listen to the tape and tick the items mentioned.*ReadingRead the lesson carefully and get ready to answer the questions.1.Why does Jenny love the forest?2. Why are trees and other plants important to people?3.Where can the trees and plant take energy from?*1. Why does Jenny love the forest? Because there are so many trees and plants. The air is always clean and fresh. And its pleasant to walk in the forest. and you can sit in the shade under the treeIts pleasant to do sth.做做很愉快很愉快Its + adj. + to do sth.做某事是做某事是的的2. Why are trees and other plants important to people?Because they help us fulfill our basic needs.(adj.)基本的基本的 基础的基础的 (v.) 达到，执行达到，执行Translate: basic needs 基本需求基本需求3.Where can the trees and plant take energy from?The trees and plants take energy from the sun and turn it into food.take energy from从从获取能量获取能量2Complete the passage with the correct forms of the words in the box.There are many trees and plants. Its _ to walk in the forest. When the weather is sunny and hot, you can sit in the _ under a tree, Trees and other plants are one of our _ needs for life. Many things are made from trees and plants. Most animals live in the _ and eat the fruit from the trees. And plants _ the soil. That way, the wind and water dont carry the soil away. In a word, we cant live without plants.basic shade forest cover pleasantpleasantshadebasicforestcoverIn a word总之，一句话总之，一句话*Language PointsWork in groups and discuss about the language points of the lesson.Exercise Finish the following exercises to check yourself!1. We can sit in the _ (树阴树阴)under the tree.2. Its _(愉快的愉快的) to climb the mountain.3. Trees help us _(满足满足) our basic needs. 4. _, (总而言之总而言之)we cant live without the water.Exercise Fill in the blanksshadepleasantfulfillIn a wordRole-PlayPractice with your group members and do the role-play.Survey*Do the survey with your partner.Are plants important ?why?Writing There are many plants around us. And we cant live without plants. Do you know why? Let me tell you. Why are plants important?Homework Try to plant a tree in your spare time and write a diary about this! 冀教版冀教版 八年级下册八年级下册Lesson 8: Why Are Plants Important? 一、教材分析本单元主要围绕“植物”展开话题。教材为学生创设了各种关于种植植被、园艺的情境，帮助学生用英语进行园艺等活动，进而 培养学生保护环境、爱护植被的意识。二、教学目标1.语言技能：能用英语描述植物对人、动物和环境的重要性。 2.掌握一些基本词汇的用法：pleasant, shade, fulfill, basic, soil 3.教学重点，难点： 掌握以下句型：Its pleasant totake energy fromin a word 4.情感态度: 鼓励学生爱护植物，保护环境。 激发学生学习英语的兴趣。三教学准备：多媒体、听力音频、图片四教学步骤：Step I Lead in-Hi everyone, how are you doing today? - Fine.- Im glad to hear that. Step II New concepts1. Show two pictures to students and let them choose the better one.(设计思路：通过图片以轻松愉快的学习方式引入本课主题：Plants are important, 使学生轻松感受，调动学生积极性)2. Listen to the lesson text and tick the items mentioned.让学生通过听录音对听到的句子进行选择，录音听两遍，然后找学生作答。（设计思路：锻炼学生的听力，对课文内容有初步了解）3. Read the text carefully and get ready to answer the questions.学生默读课文，并且找出问题的答案。（设计思路：默读课文并在课文中找出答案，可以练习学生捕捉信息和阅读理解的能力，对课文加深了解并在问题中学习本课相关语法知识。 ）4. Read in roles.学生分角色大声朗读课文，并选出几组学生进行展示。（设计思路：纠正学生发音，锻炼学生朗读能力，加深对课文的理解。 ）5.Role play.学生分角色表演课文中的对话。（设计思路：学生再次深入课文，并用自己的语言演绎出文中对话，体现了从输入到输出的过程。 ） 6. Do a survey. 由学生互相采访，讨论植物都有哪些重要作用，我们应如何去保护植物及环境，并找学生模拟采访现场。（设计思路：锻炼学生的总结、概括能力和发散思维，锻炼学生口语表达能力） 7. Writing. 由学生完成一篇短文的写作，题目为我们应如何保护植物以及我们为什么要保护植物（设计思路：在实践中运用本课所学重点，锻炼学生写作的能力。学生可以运用本节课所学短语、句型，实现语言由输入转到输出，并激发学生爱护植物、保护环境的意识。 ）Step III Homework让学生保护环境，爱护环境（设计思路：学生可以运用本节课所学短语、句型，实现输入到输出的目的；还可以加强环保意识，陶冶情操。 ）五 .教学反思：本课教学气氛活跃，内容贴近学生生活，受到了学生的一致好评。经过反思，我认为本课具有如下特点：1.本节课充分锻炼了学生的听、说、读、写等能力。2.本节课充分调动了学生的积极性，让每一个学生都加入到课堂活动中来，成为课堂活动的主体。问题设置难易相间，兼顾了各个层次的学生。3.通过回答问题的正确与否，采用小组加分的竞争机制，调动更多同学的学习积极性。六板书设计： Lesson 8：Why are plants important?pleasant take energy from Its pleasant toshade in a word fulfill basic soil七、教学反思