Unit 5 Looking into nature Developing ideas Listening and speaking课件 2025-2026学年外研版八年级英语下册

该初中英语课件围绕“自然奥秘”主题，聚焦听力理解与口语表达，涵盖生词（如unlikely、volcano）及表可能性句型。课堂导入通过“Look and answer”引导学生讨论感兴趣的自然奥秘（如黑洞、尼斯湖水怪），过渡到亚马逊沸腾河听力材料，以问题链（河流特征、当地人活动、说话人观点）搭建学习支架，衔接词汇学习与口语输出。 其亮点在于以真实语境音频（导游讲解沸腾河）培养语言能力，通过游客与导游对河流成因的观点讨论（如太阳加热、火山影响等解释）提升思维品质，采用小组合作介绍河流及分层任务（A/B/C层练习）发展学习能力。学生能提升听说技能与自然探究兴趣，教师可借助结构化流程和分层资源优化教学。

Unit 5 Looking into nature Developing ideas: Listening and speaking 1 通过本课时的学习，学生能够： 1.理解并掌握本课生词的用法。 2.学会使用表可能性的词语与句型谈论事物。 3.通过小组合作，学会描述自然的奥秘，培养探索自然科学的兴趣。 Objectives 2 Look and answer. Which of the secrets interests you most? the black hole 黑洞 the Bigfoot 大脚野人 the Loch Ness Monster 尼斯湖水怪 the beginning of the universe 宇宙起源 ... interests me most. Because it is... (unknown / alive / ...) Nature is full of amazing secrets. Many strange plants, animals and natural mysteries are waiting for us to explore. What secrets of nature do you know? 大自然的奥秘 Listen to the talk and choose the correct topic. A group of people are on a guided tour. The guide is talking about an unsolved secret of nature. Please circle the key words. 5 Look at the pictures. What can you see? Listen to the talk and choose the correct topic. Then answer. boiling hot make tea in the Amazon rainforest ... What’s special about the river? A group of people are on a guided tour. The guide is talking about an unsolved secret of nature. 7 Do you know these secrets of nature? What information should you listen for? facts about the river people’s activities the speaker’s opinion Read and think. 9 unlikely /ʌnˈlaɪkli/ adj.不太可能的 It's unlikely to rain tomorrow.(明天不太可能下雨。) 三级词汇 1.7.2013 现在我们来学习形容词unlikely，它的意思是不太可能的。例如，我们可以说It's unlikely to rain tomorrow. 这句话的意思是明天不太可能下雨。 ‹#› heat /hiːt/ n. & v. 热；加热 The heat from the fire made us warm. (火的热量使我们感到温暖。) 三级词汇 1.7.2013 接下来我们学习单词heat，它既可以作名词，也可以作动词，意思是热或加热。例如，我们可以说The heat from the fire made us warm. 这句话的意思是火的热量使我们感到温暖。 ‹#› 86 cook tea heavy rain amazing wonders A/B/C层 complete the profile. 12 86 cook tea heavy rain amazing wonders Listen again and complete the profile. What do you remember about the river? 13 volcano /vɒlˈkeɪnəʊ/ n. 火山 The volcano erupted last year. (这座火山去年喷发了。) 三级词汇 1.7.2013 现在我们来学习名词volcano，它的意思是火山。例如，我们可以说The volcano erupted last year. 这句话的意思是这座火山去年喷发了。 ‹#› reason /ˈriːzn/ n. & v. 原因；理由；推理 the reason for ……的原因 What is the reason for your absence? 你缺席的原因是什么？ 三级词汇 1.7.2013 接下来我们学习单词reason，它既可以作名词，也可以作动词，意思是原因、理由或推理。例如，我们可以说What is the reason for your absence? 这句话的意思是你缺席的原因是什么？ ‹#› Read and learn. What’s the speaker’s opinion? Read and learn. A/B/C层 What’s the speaker’s opinion? chemical /ˈkemɪkl/n. & adj. 化学物质；化学的 Water is a chemical compound. 水是一种化合物。 三级词汇 1.7.2013 现在我们来学习单词chemical，它既可以作名词，也可以作形容词，意思是化学物质或化学的。例如，我们可以说Water is a chemical compound. 这句话的意思是水是一种化合物。 ‹#› What have you learnt about the secrets of nature? Think and share Nature is amazing and full of mysteries. They awaken our curiosity and make us want to learn more! Nature is full of secrets! Work in pairs. Introduce the river to your partner. facts about the river people’s activities the speaker’s opinion boiling as hot as 86℃ cook clean make tea go swimming after heavy rain one of... amazing... A层 20 Language points 1.充满奥秘 2.唤起我们的好奇心 3.驱使科学家去…… 4.宇宙的起源 5.和…… 一样热 6. 用它清洁 7.去游泳 8. 最近的火山 9. ……之一 be full of secrets awaken our curiosity drive scientists to… the beginning of the universe as hot as… clean with it go swimming the nearest volcano one of… produce /prəˈdjuːs/ v. 生产；制造；产生 This factory produces cars. 这家工厂生产汽车。 三级词汇 1.7.2013 接下来我们学习动词produce，它的意思是生产、制造或产生。例如，我们可以说This factory produces cars. 这句话的意思是这家工厂生产汽车。 ‹#› Listen and read. Then retell. B/C层 86 cook tea amazing wonders A/B/C层 What is the conversation mainly about? How the boiling river came into being. Read and say. 24 Listen to the conversation and complete the table. sunshine heat the river becomes hot 700 kilometres / 700 km in the water produce possible research Whose opinion do you agree with? Why? A层 25 do more research Meaning:做更多的研究 Example:We need to do more research on this topic. 我们需要对这个主题做更多的研究。 1.7.2013 现在我们来学习短语do more research，它的意思是做更多的研究。例如，我们可以说We need to do more research on this topic. 这句话的意思是我们需要对这个主题做更多的研究。 ‹#› Expressions volcano, unlikely, local, rainforest, boiling, universe, awaken… Listening 掌握了不同的听力技巧获取关键信息，听主旨大意，听细节等。 We have listened to a talk and a conversation to get information and answer questions. We have learnt about learnt about the secrets of nature. Summary 27 Exercises 1.— Do you often ______ in the river? — No, it's too deep and dangerous. A. go swim  B. go swimming  C. go to swimming 2. The soup is very hot. It is ______ the sun. A. as hot as  B. so hot as  C. hot as 3.The story of the monster _____. We all want to know what it is. A. full of secrets  B. is full of secrets  C. is full with secrets 4.Changjiang is ______ the longest rivers in the world. A. one  B. one of  C. a 5.We don't know the exact time of ______ the universe. A. the beginning of  B. beginning of  C. the begin of 单选题 Homework Must do: 1.Memorize the new words, phrases and key sentence patterns of this lesson. 2.Finish the relevant after-class exercises. Choose to do: 1.Write about one unsolved secret of nature and possible explanations. 2.Talk about what you have learnt about the secrets of nature in this section. Homework 29 Thank you Blues 61152.0 Blues 147552.0 $