Unit 4 The Wonders of Nature Section A 1a - 1d 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“自然奇观”主题，聚焦自然奇观描述、最高级与大数字运用及深海知识，通过知识问答（如维多利亚瀑布）和图片匹配（1a）激活旧知，结合听力活动与深度标注任务搭建支架，引导学生从识别到运用，构建“认知-实践”学习脉络。 其亮点在于融合语言能力与文化意识，通过“奋斗者号”介绍渗透家国情怀，数字读法演示（如2,065,609,980.34分解）提升表达准确性。采用项目式学习（创建地球奇观档案），结合听力细节捕捉（如马里亚纳海沟深度）和对话讨论，培养思维品质。学生能提升综合语言运用能力，教师可依托结构化活动高效教学。

Unit 4 The Wonders of Nature Section A 1a-1d By the end of this period, we will be able to: Learning Goals 1. learn about some world nature records and facts about the deep sea by listening 2. talk about the wonders of nature and the deep sea using -est and big numbers 3. think about the importance of researching the deep sea Task: Create Wonders of the Earth'Archive We have to finish a project-- create Wonders of the Earth'Archive . Today let's begin with the top natural wonders and finish the deep sea chapter! In this unit, you will 1. talk about geography facts about natural wonders. 2. compare facts about famous places. 3. share geography facts using large numbers. 4. explore how and why people connect with nature. 1. Do you know the name of the waterfall in the photo ? 2. What do you think is special about it ? 3. What other natural wonders do you know? It's Victoria Falls in Africa. It is one of the largest and most beautiful waterfalls in the world. ... What other natural wonders do you know? 1a Match the places with the pictures. ___ Nile River ___ Angel Falls ___ Mount Qomolangma ___ Dead Sea ___ Sahara Desert ___ Mariana Trench P32 A B C D E F Listen to a game show and circle the places mentioned . What do you know about these places? Can you describe them? Activity 1 : Match the places with the pictures. A B C D E F have a general understanding of how to describe places using measurements and superlative forms. be able to talk about the features and measurements of the natural wonders you have learnt about. listen for specific details about natural wonders in the conversation. In this part, you will strange fish What do you know about the deep sea? huge pressure submarines can reach Let’s share cold dark /ˈsʌbməˌrinz/ 小红书：Christina在努力｜原创课件 更多教学资源可以关注分享～ Fendouzhe is China's manned deep-sea submersible, which reached a depth that set a new record for China's deep-sea diving. 小红书：Christina在努力｜原创课件 更多教学资源可以关注分享～ B. Depth at which the deep sea begins C. Depth at which the Titanic rests D. Deepest dive of a whale Try to lable the depths in the picture with the information on the left. 1b A. Depth Fendouzhe reached 小红书：Christina在努力｜原创课件 更多教学资源可以关注分享～ 百 百万 千 十亿 two billion ,sixty-five million, six hundred and nine thousand, nine hundred and eighty point three four. 点 billion million thousand hundred point 2, 065, 609, 980. 34 billion million thousand point three four and A class is asking a deep-sea researcher some questions after his talk. Listen and tick the topics they discuss. What information can we get from the instruction? Who are talking in the conversation? What happened before the conversation? Students and a deep-sea researcher. The deep-sea researcher gave a talk to students. 小红书：Christina在努力｜原创课件 更多教学资源可以关注分享～ Try to read the following numbers. 416 8,848.86 11,000 9,000,000 416 → four hundred and sixteen 8,848.86 → eight thousand eight hundred and forty-eight point eight six 11,000 → eleven thousand 9,000,000 → nine million 1c 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 A class is asking a deep-sea researcher some questions after his talk. Listen and tick( ) the topics they discuss. 小红书：Christina在努力｜原创课件 更多教学资源可以关注分享～ Place Description Measurement Mount Qomolangma the ________________ in the world __________ metres high Listen for the details. Host: Welcome to our game show! Today, it's all about geography. Answer as quickly as you can! Question one: What is the ________________in the world? Fu Xing: It's Mount Qomolangma! Host: Correct! How ______ is it? Liu Hongyu: I know this — it’s ________ metres high. Host: No, sorry. Fu Xing? Fu Xing: Is it __________ metres? Host: Yes! But some scientists say Qomolangma is still growing _______! highest mountain high 8,848.43 8,848.86 taller highest mountain 8,848.86 416 8,848.86 11,000 9,000,000 1. People still don't know much about the _____________. 2. In _____________, China's Fendouzhe dived into the deep sea and filmed it. 3. Some animals have unusual abilities. Some are_____________ but can “see”. Some can even create their own_______. 4. There is rubbish even at _____________ metres deep. Listen again. Complete the sentences with the facts from the conversation. ocean floor 2020 blind light 11,000 /ʌnˈjuːʒuəl/ adj. 不寻常的 小红书：Christina在努力｜原创课件 更多教学资源可以关注分享～ Listen again. Complete the measurements. Place Measurement Mount Qomolangma ________metres high Sahara Desert about ________ square kilometres in size Dead Sea ________metres below sea level Mariana Trench about________metres deep 8,848.86 9,000,000 416 11,000 长、宽、高、深、面积的表达方法 基数词 + 单位词 + 形容词（long, wide, high, deep等） 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? 在……的底部 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. 1d Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions? Emma: I do! Why are so many countries researching the deep sea? Mr Jones: Well, curiosity is one reason. We don't know enough about the ocean floor. Fu Xing: I remember that in 2020, China's Fendouzhe dived deeper into the Mariana Trench than many other submersibles in the world and filmed it. But I didn't see any deep-sea animals. What are they like? Mr Jones: Well, many deep-sea animals are large and unusual. Some animals are blind, but they can "see" as well as others. Some even create their own light! Peter: Cool! Are there any other surprising facts about the deep sea? Mr Jones: Did you know that there's rubbish even at 11,000 metres deep? That shocked many people. Ms Gao: That's terrible! We should do something about it. Mr Jones: You're right! Listen and think What surprising facts do you learn? Some animals are blind, but they can "see" as well as others. Some even create their own light! There's rubbish even at 11,000 metres deep! 小红书：Christina在努力｜原创课件 更多教学资源可以关注分享～ Place Description Measurement Sahara Desert the ________________ in the world about _______________ square kilometres in size Listen for the details. Host: Now, name the ______________ in the world. Fu Xing: The Taklimakan Desert? Host: __________! Ella? Ella: It's the Sahara Desert. Host: __________! Now, how _________ is it? Ella: It's about _____________ square kilometres. Host: That's right! biggest desert Wrong Right big 9,000,000 biggest desert 9,000,000 416 8,848.86 11,000 9,000,000 Words: 1. wonder n. 奇观；惊叹 v. 琢磨；想知道；感到诧异— wonderful adj. 精彩的；绝妙的 2. measure v. 测量；量度为—measurement n. 数量；测量 3. deep adj. 深的；有……深的—depth n. 深(度)；纵深 4. research v. & n. 研究；调查—researcher n. 研究者 5. usual adj. 通常的—unusual adj. 特别的；不寻常的— usually adv.通常地 Phrases: 1. on earth 在地球上 2. square kilometre 平方千米 3. below/above sea level 低于/高于海平面 4. dive into the deep sea 潜入深海 5. the bottom of …… 的底部 Place Description Measurement Dead Sea the ________________ on earth _________ metres below sea level Listen for the details. Host: What's the ______________ on earth? Liu Hongyu: It's the Dead Sea! Host: Well done! Its surface is _______ metres below sea level. lowest place 416 lowest place 416 416 8,848.86 11,000 9,000,000 Place Description Measurement Mariana Trench the ________________ in the ocean about _________ metres deep Listen for the details. Host: Now where's the ____________ in the ocean? Fu Xing: It's in the Mariana Trench. Host: That’s _________! How ________ is it? Fu Xing: It's about __________ metres deep. Host: Correct! deepest point correct deep 11,000 deepest point 11,000 416 8,848.86 11,000 9,000,000 Mount Qomolangma is the (high) mountain in the world. We were all (shock) to hear that there is rubbish at the bottom of the ocean. The (deep) of the Mariana Trench is about 11,000 metres. Curiosity is one of the (reason) why people explore the deep sea. Many deep-sea animals look (usual) and have special abilities. highest shocked depth reasons unusual 用单词的适当形式填空 1. Mount Qomolangma is _______ mountain in the world. A. high B. higher C. the highest D. tallest 2. The Dead Sea is 416 metres _______ sea level. A. below B. under C. on D. in 3. They _______ many photos in the deep sea last year. A. take B. took C. takes D. are taking 4. It’s important _______ the deep sea. A. learn B. to learn C. learning D. learns 5. We don’t know much _______ the ocean floor. A. about B. with C. for D. at 单项选择 C A B B A Review the new words and expressions. Retell 2c. Homework Lavf60.16.100 Lavf60.16.100 vid:v02870g10004d6deatvog65k0b6e39gg null 85133.555 2026 Blues 47232.0 null 80979.68 null 18528.0 2026 Blues 22944.0 2026 Blues 13104.0 2026 Blues 20760.0 $