Unit 4 The Wonders of Nature Section A (2a-2d) 课件 2025-2026学年人教版英语八年级下册

该初中英语课件围绕“深海探索”主题，涵盖信息图解读、听力对话分析及深海知识拓展，通过复习珠峰与马里亚纳海沟问答及深海特点词汇，结合Fendouzi深度数据信息图导入，搭建从已知到未知的学习支架。 其亮点在于融合语言能力、文化意识与思维品质，通过听力抓取关键词、信息图填空提升语言理解表达，借Fendouzhe成就激发家国情怀，环保问题引导批判性思考。采用任务型教学，分层作业满足不同需求，助力学生综合素养提升，为教师提供系统教学资源。

Unit 4 The Wonders of Nature (Section A 2a-2d) Learning Objectives 读懂信息图，理解其中符号、图标、数字传递的信息，并用英语描述图中涉及的信息； 理解听力对话的场景和说话人的身份，并梳理讲座后问答环节中涉及的问题，把握对话的核心内容及细节信息，学会抓取关键词； 通过学习听力对话，对深海探索的相关知识产生兴趣，主动思考并提出问题，在此基础上深入探究，进一步认识深海研究的重要性。 通过本课时学习，我能够： IMG_3839 What’s the highest mountain in the world? How high is it? Review It’s Mount Qomolangma and it’s 8,848.86 metres high. Where’s the deepest point in the ocean? How deep is it? It’s in the Mariana Trench and it’s about 11,000 metres deep. What do you know about the deep sea? silent cold dangerous water pressure dark IMG_3839 submersible [səbˈmɜːsəbl] 40 m 200 m 500 m 3700 m 6000 m 10909 m What do you know about the deep sea? Let’s follow Fenfouzhe to explore. IMG_3839 Complete the sentences with the information from the picture. 2a Pre-listening 1. Fendouzhe reached ____. 2. The deep sea 　begins at ____. 3. The Titanic 　rests at ____. 4. A whale can 　dive to ____. A B C D [taɪˈtænɪk] IMG_3839 Presentation What do you want to ask this deep-sea researcher? Today's Topic: Deep-sea Researcher Interview IMG_3839 While-listening 2b A class is asking a deep-sea researcher some questions after his talk. Listen and tick the topics they discuss. □ where the deep sea begins □ why people are researching the deep sea □ which Chinese submersible dived deeper in the water than many others □ what deep-sea animals are like □ how everyone should protect the deep sea [səbˈmɜːsəbl] What questions did they ask? v.& n. 研究; 调查 do research on/into sth. 对... 进行研究/调查 IMG_3839 While-listening Listen and fill in the blanks. Name Question Answer Emma Why are people researching the deep sea? _________ is one reason. Fu Xing What are deep-sea animals like? Many are _______ and ________. Some are blind. Some even create their own light! Peter Are there any other surprising facts about the deep sea? There’s _________ even at 11,000 metres deep. Curiosity large unusual rubbish IMG_3839 While-listening 2c Listen again. Complete the sentences with the facts from the conversation. People still don’t know much about the _______________. In ________, China’s Fendouzhe dived into the deep sea and filmed it. Some animals have unusual abilities. Some are ________ but can “see”. Some can even create their own ________. There is rubbish even at ________ metres deep. ocean floor / deep sea 2020 blind light 11,000 潜入...中 特殊能力 IMG_3839 Listen again and fill in the blanks. Ms Gao: Thank you for the , Mr Jones. Now, does anyone have any questions? Emma: I do! Why are so many countries researching the ? Mr Jones: Well, is one reason. We don't know enough about the ocean floor. Fu Xing: I remember that in 2020, China's Fendouzhe into the Mariana Trench than many other submersibles in the world and it. But I didn't see any deep-sea animals. What are they like? Mr Jones: Well, many deep-sea animals are ___ . Some animals are blind, but they can "see" others. Some even their own light! Peter: Cool! Are there any other about the deep sea? Mr Jones: Did you know that there's even at 11,000 metres deep? That many people. Ms Gao: That's ! We should do something about it. Mr Jones: You're right! wonderful talk deep sea curiosity dived deeper filmed large and unusual as well as create surprising facts rubbish shocked terrible Presentation How do you feel when you learn about Fendouzhe's achievements? I feel very proud of China,it shows China's strong technology. Better China, better world Further thinking Did you know that there's rubbish even at 11,000 metres deep? That shocked many people.We should do something about it. What can we do to protect the deep sea? Presentation What can we do to protect the sea? We can stop throwing rubbish into the sea. We can learn more about the ocean to tell others how to protect them. We can tell our friends and family to protect the ocean. We should use fewer plastic bags and bottles to stop water pollution. We must take care of the beaches and pick up litter. Every small action can make a big difference!Let’s protect nature together and make our world better! 2d Read the questions and think of more you would like to ask the deep-sea researcher. What is the largest shark in the deep sea? What is the bottom of the deep sea like? Why is it important to research the deep sea? ……的底部 Biology and Ecology Exploration and Technology Environment and Protection Research value 生物与生态 探索与技术 环境与保护 研究价值 Example How do deep-sea creatures survive without sunlight? What is the most unusual creature you have ever discovered in the deep sea? Do deep-sea animals have any special adaptations to withstand the extreme pressure? Biology and Ecology 生物与生态 n.生物 v.生存 n.阳光 特殊的适应能力 vt. 承受 极端的压力 What kind of technology do you use to explore the deepest parts of the ocean? How long can a submersible stay in the deep sea? What is the biggest challenge you face when conducting deep-sea research? Exploration and Technology 探索与技术 n.潜水器 v.执行 How does human activity (like plastic pollution) affect the deep-sea ecosystem? What can we do to protect the deep sea from being damaged? How does climate change impact the temperature and life in the deep sea? Environment and Protection 环境与保护 n.生态系统 v.破坏 n.温度 气候变化 Have any deep-sea discoveries helped with medical or technological advancements? What is the most surprising thing you’ve learned from your deep-sea research? How do deep-sea ecosystems contribute to the health of our planet? Research value 研究价值 n.发展 v.贡献 Post-listening 2d Read the questions and think of more you would like to ask the deep-sea researcher. Research the answers. Then ask and answer the questions with a partner. • What is the largest shark in the deep sea? • What is the bottom of the deep sea like? The largest shark in the deep sea is the Greenland shark. It can grow up to 7 meters long and lives in deep, cold waters. It’s also the longest-lived shark. Some can be over 400 years old. The bottom of the deep sea is very dark and very cold. There is extreme pressure from the weight o f the water above. IMG_3839 Thinking Why is it important to research the deep sea? • Curiosity: It is the largest part on earth, and we still don’t know much about it. • Amazing Life: It is home to unusual animals. • Protection: Human activities affect everywhere. We should do something about it and protect our home. • … .... Nature hides countless wonders that are waiting to be uncovered. IMG_3839 询问某物的深度时，常用句型“What’s one’s depth?”或“What’s the depth of...?”，相当于“How deep is/are...?”。 2a 〔名词〕深（度）；纵深 1.OCEAN DEPTHS We found water at a depth of 20 metres. 我们在20 米深处找到了水。 形容词形式：deep 深的；有……深的 拓展 What’s the depth of the lake here? =How deep is the lake here?这儿的湖水有多深？ IMG_3839 2. Deepest dive of a whale 鲸鱼下潜的最大深度（教材 P32 2a） ① dive /daɪv/v. & n. 潜水；跳水；俯冲 ② [不及物动词] 潜水；跳水；俯冲 dive down 潜入；下潜；俯冲 dive into 跳入；跳进 ③ [名词] 潜水；跳水；俯冲 那个男人跳入河中去救溺水的小孩。 The man _____________ the river to save the drowning child. dived into 他做了个漂亮的跳水动作。 He made_____________________. a beautiful dive IMG_3839 2c 3. Some animals have unusual abilities … 〔形容词〕特别的；不寻常的；罕见的 The coach has an unusual name. 这个教练有个特别的名字。 It’s unusual to see a rainbow in the desert. 在沙漠里看到彩虹是很罕见的。 拓展 unusual 的相关词： usual adj. 通常的；寻常的 （反义词）unusual adj. 特别的；不寻常的；罕见的 usually adv. 通常地；一般地 IMG_3839 2d What is the bottom of the deep sea like? 〔名词〕底部；最下部 对应词：top 顶部；顶端 (at) the bottom of（在）……的底部 from top to bottom 从上到下；彻底地 搭配 What is there at the bottom of the deep sea?深海底部有什么？ They cleaned the house from top to bottom before the Spring Festival. 春节前，他们把房子彻底打扫了一遍。 IMG_3839 Exercises II. 用括号中所给单词的适当形式填空。 1. The __________ (deep) of the lake is hard to measure. 2. It is __________ (usual) to see snow in China in the summer. 3. This hill is the __________ (low) one in our neighbourhood. It is only 1 metre high. 4. Children have many different __________ (ability ) to learn new things. 5. The coach ____________ (dive) into the pool to show us how to do it correctly yesterday. depth unusual lowest abilities dived/dove IMG_3839 24 Homework 1. 基础层：背诵今天学的12个生词+短语；背诵1d的2组对话。 2. 提高层：用所学句型写5句话，比较两个自然奇观（如珠峰 vs 马里亚纳海沟）,要包含测量数据。 3. 拓展层：设计一张海报：“Save the Deep Sea”（拯救深海）。 要求包含3个事实和1句口号，至少使用5个本节课的生词。 IMG_3839 25 85081.305 80927.43 Lavf60.16.100 $