Unit 4 Amazing Plants and Animals Section B(3a-project) 课件 2026-2027学年英语人教版英语八年级上册

该初中英语课件围绕“动植物与人类的联系”，核心聚焦说明文写作及第三人称转述方法，通过视频导入激发兴趣，Pre-reading激活已知，While-reading用表格梳理蓝鲸信息，Post-reading以第一人称改写和段落结构指导为支架，衔接写作与项目活动。 其亮点在于融合语言能力与文化意识，项目式学习（小组选主题、制海报、展示）培养学习能力，写作任务分层拓展（补充生态作用、情感表达）发展思维品质。读写结合与结构化小结帮助学生提升表达与生态意识，教师可直接应用设计提升教学效率。

Section B How are plants and animals connected with us? 3a—project Unit 4 Amazing Plants and Animals 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 B 学习能力 依托多样化写作任务,提升书面表达水平;梳理说明文基础框架,掌握动物主题基础写作技巧,规范段落行文逻辑。 教学目标 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 A 语言能力 了解蓝鲸相关科普知识;掌握第一人称转述为第三人称的方法,明晰人称改写过程中的要点与变化规则,留意句式同步调整技巧。 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 C 思维品质 学会有理有据地表达自身观点;借助观察、分析、归纳等学习方式,发展发散思维与总结概括能力,学会整理文本信息。 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 D 文化意识 认识蓝鲸在生态系统里的价值,理解动植物之间彼此依存的关系,树立保护自然、维护生态平衡的意识,主动关注野生动物现状。 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 B 难点 激发学生想象力与创新思维,锻炼多角度思考问题的能力;理解动植物对于生态环境的意义,建立人与自然和谐共处的观念,自觉树立生态保护理念。 教学重难点 在全国范围内进行选拔, 大量精英或高水平选手参与,受众广泛 选拔精英 A 重点 借助读、写相结合的课堂活动,积累动物主题相关词汇与句型;在写作实践中,稳步提升阅读理解与英文写作综合能力,熟练运用课堂所学短语。 01 Warming up 01 Let’s review! Watch the video Watch the video 02 Reading 01 Pre-reading What do you know about the blue whale? The blue whale is the largest animal on Earth. They usually travel alone or in small groups. They feed on tiny sea animals called krill. They need to come up to the sea surface to breathe air. They can make loud sounds to communicate with each other. 02 While-reading 3a Read the text and complete the table. Weight Where they live Food How long they live Importance in nature 02 While-reading 3a Read the text and complete the table. Blue whale facts Weight Where they live Food How long they live Importance in nature It can weigh as much as 200 tons. In all oceans except the Arctic Ocean. Some of the tiniest animals in the ocean, eat around four tons of them a day. Up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea, lasting for over a year and helping to create a lively and healthy ecosystem. 02 While-reading 3b Imagine you are a blue whale. Use the first person to rewrite the first paragraph. Hello everyone! My name is Billy the Blue Whale. I am _ I’m heavy, but I _. I live in _ I can eat _. the largest and heaviest animal on Earth and I can weigh as much as 200 tons. can swim, and many people think watching me swim is wonderful all oceans except the Arctic Ocean. around four tons of these small animals every single day 02 Post-reading 一、开头:自我介绍,引入主体 简单介绍自己蓝鲸的身份,开门见山介绍自身最显著特征,吸引读者兴趣。 二、过渡句:总起基本信息 用一句话引出自身生活相关信息,自然过渡到居住环境、食物等基础介绍。 三、事例支撑:结合课文信息描写 依托课文原文内容,介绍居住地、食物、食量等生活习性,使用基础形容词丰富描写。 3c Complete your passage about the blue whale based on the text in 3a. 02 Post-reading 四、主体拓展段 分层补充更多信息,介绍蓝鲸寿命;讲解蓝鲸在大自然中的作用,丰富文章内容;可以适当抒发内心想法。 细化细节:补充生存特点、自身在海洋生态中的价值; 情感表达:表达自己需要人类保护的心愿。 五、结尾总结段 简单总结蓝鲸的重要性,呼吁大家保护蓝鲸;语气真诚温和,收束全文。 3c Complete your passage about the blue whale based on the text in 3a. 03 Writing 03 Writing 3c Complete your passage about the blue whale based on the text in 3a. Hello everyone! My name is Billy the Blue Whale. I am the largest and heaviest animal on Earth. I can weigh as much as 200 tons. I look huge, but I can swim beautifully in the ocean. I live in all oceans except the Arctic Ocean. My favourite food is some of the tiniest animals in the sea. I can eat around four tons of them every day. I can live up to 90 years. 03 Writing 3c Complete your passage about the blue whale based on the text in 3a. When I die at sea, I will become food for many sea animals. It can feed them for more than one year and helps build a healthy ocean ecosystem. I play an important role in nature. So I hope people can protect me and my family. 04 Project 04 Project 4a Work in groups. Choose or create the title of your poster. 04 Project 4b Collect pictures and find out information about the plant or animal that you chose. 1. What is its name? Its name is the polar bear. 2. Where does it live / grow? It lives in the Arctic. 3. Why did you choose it? It looks beautiful and it is very strong. It is also a symbol of the Arctic. 04 Project 4b Collect pictures and find out information about the plant or animal that you chose. 4. What are some interesting facts about it? It has white fur. It lives on ice and in the sea. It eats seals and fish. It is good at swimming. It has a thick layer of fat to keep warm. 04 Project 4c Make your poster. The Cutest Animal — Polar Bear Name: Polar Bear Home: The Arctic Food: Seals and fish Looks: White fur, big paws Fun fact: It is good at swimming. Protect the Arctic home. 04 Project 4d Present your poster in class. Then vote for the best one. Hello everyone! Today our poster is The Cutest Animal — Polar Bear. The polar bear lives in the Arctic. It has white thick fur and big paws. It mainly eats seals. They are great swimmers. They have fat under their skin to stay warm in cold weather. But now the ice in the Arctic is melting. Polar bears are losing their home. We need to protect them. That’s all. Thank you! 05 Reflecting 05 Reflecting 1. What amazing plants and animals did you learn about in the unit? 2. When do you use the superlative forms of adjectives and adverbs? 3. Can you describe some amazing plants or animals in the world? 4. How are we connected with plants and animals? 06 Language points 06 Language points 1. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. 许多人喜欢观赏蓝鲸游泳,他们认为这是最美丽的景象之一。 watch sb do sth:观看某人做某事(强调看到动作发生的全过程) I often watch the birds fly in the sky.我常常看鸟儿在天上飞翔。 We watch the dolphins jump at the zoo.我们在动物园观看海豚跳跃。 watch sb doing sth:观看某人正在做某事(强调看到动作正在进行) Look! I am watching the fish swimming in the river.看!我正看着鱼儿在河里游。 They watch the birds singing in the tree.他们看着小鸟在树上鸣叫。 06 Language points 2. This food lasts for over a year and it helps to create a lively and healthy ecosystem.这些食物能维持一年多,有助于创造一个生机勃勃、健康的生态系统。 last:①〔不及物动词〕持续;延续(常与时间段连用) The show lasts for two hours.这场演出持续两个小时。 ②〔形容词〕上一个的;刚过去的;最后的 This is the last question.这是最后一道问题。 ③〔副词〕最后;上一次;最后一次 Who spoke last at the meeting?谁在会议上最后发言? 07 Exercises 07 单选题。 1.We have classes every day _ weekends, so we can relax on those two days. A.for B.except C.from D.during 2.At the party last night, Lisa sang and danced happily. She looked so_ that everyone liked her. A.disappointed B.organized C.lively D.serious 3.Many people think watching blue whales swim is one of the most _ things to see. A.boring B.beautiful C.scary D.strange 4.Blue whales help to create a lively and _ ecosystem. A.sick B.weak C.healthy D.dangerous 07 完成句子。 1.蓝鲸是地球上最大、最重的动物。 The blue whale is the _ and _ animal on earth. 2.树木在净化空气方面扮演着重要角色。 Trees _ _ _ _ in keeping the air clean. 3.这片海域每年能为当地渔民提供四吨的鱼。 This sea area can provide _ _ _ fish for local fishermen every year. 4.这种海龟如果安全的话能活到 90 岁。 This kind of sea turtle can _ _ _ 90 years if it is safe. largest heaviest play an important role four tons of live up to 08 Summary 08 Summary New words Sentences ocean; except; last; ecosystem; protect; ton; create… It can weigh as much as 200 tons. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. Blue whales can live up to 90 years. 09 Homework 09 Homework 1. Recite the key words and sentences of this lesson. 2. Preview the next lesson. SEE YOU NEXT CLASS! Lavf57.71.100 Bilibili VXCode Swarm Transcoder v0.2.30(gap_fixed:False) $