Unit 2 Plant a Plant!-Lesson 8 Why Are Plants Important -ppt课件-(含教案+素材)-省级公开课-冀教版八年级下册英语(编号：91dd5).zip

冀教版八年级英语下册 Lesson 8: Why Are Plants Important?They give us food , like apples, bananas and oranges. Many animals live in the forest and they eat fruit and leaves from the trees.We can make and build things with trees , like chairs, beds and houses.Trees help clean the air.Its pleasant to walk in the forest.The trees take energy from the sun and turn it into food. We can sit in the shadeshade under a tree.Trees and other plants cover the soil. The wind and water dont carry the soil away.uncoveredTrees and other plants make everything look beautiful. In a word, they help us fulfill our basic needs . we cant live without plants.11 Read the lesson and answer the questions.1. Why does Jenny love the forest?2. Where can the trees and plants take energy from?3.Why are trees and other plants important to people?Because there are so many trees and plants. The air is always clean and fresh. Its pleasant to walk in the forest. She can sit in the shade under the tree.The trees and plants can take energy from the sun.Because they help us fulfill our basic needs.People can eat plants or use them as medicine.Books, paper, pencils and erasers all come from plants.The plants make everything look beautiful.Read the lesson again and tick the items mentioned.People use wood from trees to build houses and furniture.Plants help make the air clean and fresh.Many animals live in the forest.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.BrainstormingWhy do we need plants?vClean the air. vGive us food.vMake and build things with trees .vSit in the shadeunder a tree.vIts pleasant to walk in the forest. vMany animals live in trees and eat plants.vCover the soil. vTake energy from the sun and turn it into food. v. In a word, they help us fulfill our basic needs. we cant live without plants. Summary:Why do we need plants ?Plants are so important ,what should we do ?We should HomeworkTrees and other plants help clean the air.They help us fulfill our basic needs.Medicine and clothing are also made from trees and plants.Write a passage about why and how we need to protect the plants and trees. Thank you for your listening!Thank you for your listening!Thank you for your listening!Thank you for your listening!1. We can sit in the _ (树荫)under the tree.2. Its _(愉快的) to climb the mountain.3. Trees help us _(满足) our basic needs. 4. _, (总而言之)we cant live without the water. Fill in the blanks.shadepleasantfulfillIn a word冀教版冀教版 八年级下册八年级下册 LessonLesson 8:8: WhyWhy AreAre PlantsPlants Important?Important? 教学目标教学目标 1.知识与技能:1)会认读、理解课文中的新单词和短语:pleasant,shade,fulfill,basic,soil，Its pleasant to .,take energy from,in a word;2)能理解课文；3)能用课文中的目标语谈论植物的重要性。 2.过程与方法：通过图片呈现新知，使词汇的理解化抽象为具体；通过图片创设情景，帮助学生熟悉话题；通过图片与文字结合，对树木及植物的重要性进行解说，增加语言及阅读背景的输入，来启发学生的认知背景，为下一步的阅读作好铺垫；通过设置问题引导学生理解课文，进一步增加语言输入量；通过设置小组讨论活动，建立同伴互助，化解难点，提高语言运用能力。 3.情感态度与价值观：通过图片设置情景，激发学生学习本课题的兴趣；理解课文后，学生会了解植物的重要性，进而激发学生保护植物的意识；会用英语表达植物的重要性，增强学生对英语学习的自信；通过小组讨论，拓宽学生的思维。学情分析学情分析 八年级的学生们已经有了一定的语言基础与合作学习的能力，为本课的学习奠定了认知和语言方面的基础；学生们在 Lesson 7 Planting Trees 中已经学习了如何植树，初步了解了植树对环境的重要性，因此对 Lesson 8 Why Are Plants Important?这一话题也并不陌生，为本课的学习奠定了情感基础，在Lesson 8 中将进一步学习树以及其它植物对人、对动物以及对环境的重要性,所以本课的设计由第七课为什么要植树引入到第八课植物的重要性，由旧知识引入到新知识，使学生觉得新知识并不陌生，但是用英语说出植物的重要性却是学生们学习本课的难点，也是学生们将在本课要学会的语言技能。重点重点1.认读、理解课文中的新单词和短语；2.理解课文；3.用英语表达植物的重要性。难点难点用英语表达植物的重要性。教学过程教学过程Step1：Leading in. (2 minute) T：We learned Lesson 7 Planting Trees yesterday. Can you tell me why we plant trees? S1：.S2：.设计意图设计意图：学生们在 Lesson 7 Planting Trees 中已经学习了如何植树，初步了解了植树对环境的重要性，在 Lesson 8 中将进一步学习树以及其它植物对人、对动物以及对环境的重要性,所以本课的设计由第七课为什么要植树引入到第八课植物的重要性，有意识地选择一些与新知识有内在联系的已学知识作为导入,会让学生感到新知识并不陌生,便于学生将新知识纳入他们原有的认知体系,降低新知识的难度。Step 2：Pre-reading.(8 minutes)T：Lets learn more about trees and other plants. 呈现图片，配上目标语解说。图片 1：Trees help clean the air. ItsIts pleasantpleasant to walk in the forest.图片 2：The trees taketake energyenergy fromfrom the sun and turn it into food.图片 3：We can sit in the shadeshade under a tree.图片 4:Trees and other plants cover the soilsoil.The wind and water dont carry the soil away.图片 5：Trees and other plants make everything look beautiful. InIn a a wordword, they help us fulfillfulfill our basicbasic needs . we cant live without plants.设计意图设计意图：通过图片呈现新知，使词汇的理解化抽象为具体；通过图片创设情景，帮助学生熟悉话题；通过图片与文字结合，对树木及植物的重要性进行解说，增加语言及阅读背景的输入，来启发学生的认知背景，为下一步的阅读作好作好语言知识与情感铺垫。 Step 3：First reading.(9 minutes)Read the lesson and answer the questions.1. Why does Jenny love the forest?2. Where can the trees and plants take energy from?3.Why are trees and other plants important to people?Then ask and answer in pairs.设计意图设计意图：设置三个问题，既帮助学生很快抓住重要信息，理解课文，又围绕本课的重要知识点来设置，进一步操练语言，为下一步的语言输出夯实基础。Step 4：Second reading. (10 minutes)Read the lesson again and tick the items mentioned. 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. 设计意图设计意图：通过二读细读课文，在细节上设题，引导学生深入细致阅读课文，了解植物的重要性，进一步理解课文，以上所列的每一条都是植物对人、动物、环境的作用，设置此题增加目标语的输入，为下一步语言的运用做好铺垫。 Step 5：Group work.(8 minutes) Brainstorming:Why do we need plants?设计意图设计意图：此环节为读后的语言输出活动，通过小组合作，生生互助，思维碰撞，培养学生的发散性思维能力，帮助每个学生在理解课文的基础上练习运用语言，增强语言的流利性，同时小组合作，生生互助，可以帮助学生发现自己在使用语言时所存在的问题，以便改正。Step 6 (2 minutes)Summary:Why do we need plants ?Clean the air. Give us food.Make and build things with trees .Sit inin thethe shadeshade under a tree.ItsIts pleasantpleasant toto walkwalk in the forest. Many animals live in trees and eat plants.Cover the soilsoil. TakeTake energyenergy fromfrom the sun and turn it into food. .InIn a a wordword, they help us fulfillfulfill our basicbasic needs. we cant live without plants. 设计意图设计意图：总结回顾一节课所学的语言知识，起到巩固复习的作用。Step 7: Homework (1 minute)Write a passage about why and how we need to protect the plants and trees. 设计意图设计意图：学生在领悟课文的基础上进行进一步的提升写作。从阅读植物为什么重要到写作为什么与如何保护植物，由感性上升到理性，由具体的知识变成实际运用语言的能力。