Unit 4 Inventions Reading II课件-2025-2026学年沪教版（2024）八年级英语上册

该初中英语课件聚焦科普类说明文的特征及写作，课堂导入通过视频问题链（主题、类型、是否含事实解释）引导学生从识别文本类型到总结目的、语言及结构特征，结合“事实猎人”活动搭建从文本分析到写作应用的学习支架，包含视频资源辅助理解。 其亮点在于以核心素养为导向，通过对比分析（如事实与观点选项）培养思维品质，小组合作制作数字时代发明海报提升学习能力，具体句型讲解（如“continue doing”）增强语言能力。实例丰富（文本特征表格、句型仿写），助力学生掌握说明文写作，教师可借助结构化活动高效实施教学。

Unit 4 Inventions Reading II 1 02 03 Learning objectives By the end of this lesson, I can: 01 analyze the information organization and language expression methods of the passage summarize the characteristics of exposition(说明文) gain an in - depth understanding of the importance and application of the wheel Lead- in Before watching, try to answer：What’s the video mainly about? Please answer the following questions What’s the type of the video? Did the text try to entertain(使...娱乐)us or not? √ It’s not like a story. Lead- in Did it give us facts and explanations? A. It tells facts. Have you read or watch something like this before — in English or in Chinese? B. It gives explanations. √ Science exposition — 科普类说明文 Lead- in Decide which ones are from a science exposition (科普类说明文), and which are from other types of writing? A B The human brain contains about 86 billion nerve cells called neurons. In my opinion, robots should not replace human teachers. √ Because A is a fact about the human body, using scientific term "neurons". While B is a personal opinion. Lead- in Decide which ones are from a science exposition (科普类说明文), and which are from other types of writing? A B "What time does the experiment start?" asked Tom. Researchers have discovered a new species of frog in the Amazon rainforest. √ Because B reports a scientific discovery in a neutral, factual tone. While A is a question in conversation. Lead- in Summarize the characteristics of the Science exposition — 科普类说明文 Purpose: To inform Language: Clear, factual, objective Features: Headings, definitions, examples Examples in real life: Science websites, museum signs Lead- in Close reading Can you tell us which kind of our text belongs to? √ A.Science exposition B.Poem C.Public speech D.Narrative(记叙文) Clear, factual, objective Example giving Please find them out in the passage Let’s be a fact hunter!!!! Features Science exposition example Purpose Tone Key words Any conversations? Explain facts Objective For example;because No Close reading Let’s be a fact hunter and give the report Take a look about 3D printers and give it a brief introduction Close reading Prepare your speech with your group member You can begin your speech like: The wheel not only changed the way humans move, but it also allowed us to build all types of amazing machines. For example, the 3D printer. It looks like.. It’s made of.. It’s now changing our lives in different fields.. ... Without doubt, the wheel is one of the most important inventions of all the time. Close reading Checklist about your speech Features Does your speech include...? Purpose Is it based on explaining facts? Tone Is it objective enough? Key words Do you give some examples? Any conversations? Are there any conversations? √ √ √ √ Close reading Language writing skills Features of Expository Writing A. Purpose B. Language features C. Stucture D. Useful sentences To explain or inform 1. This article explains.. 2. For example, .. 3. All in all.. 1. Introduction 2. Body 3. Conclusion 1. Simple present tense 2. Objective 3. Using linking words 1. When the first humans decided to leave their homes over 100,000 years ago in search of new places to live and better resources of food. 使用了 “decide to do”(决定做某事)“ in search of ”(搜寻)句型。 A scientist decided to travel to the Amazon in search of new insect species. 一个科学家决定去探索亚马逊去搜寻新的昆虫物种。 Language writing skills 2. Humans continued walking across the globe for the next 94,000 years. 使用了 “continue doing ”(继续做某事)句型。 Don’t stop now — please continue working on your science project! 别停下，继续做你们的科学项目！ Language writing skills 3. Although this meant that people could travel further and faster, transporting large amount of goods was still a difficult job. 使用了 “Although ”(虽然；尽管) 让步状语从句；“Travel further and faster” 比较级+and+比较级。 Although the wind was blowing harder and harder, the scientists continued observing the storm. 尽管风越刮越猛，科学家们仍继续观察风暴。 Language writing skills 4. Farmers were suddenly able to transport their goods to markets far away. 使用了 “be able to do ”(能够做某事) 句型。 She was able to solve the math problem after thinking carefully 她经过认真思考后，成功解出了那道数学题。 Language writing skills 5. The wheel changed the way villages, towns and even countries did business with each other. 这是一个主从复合句，主句中包含一个定语从句（修饰“the way”），并在后面省略“in which / that”。译为“以...的方式”。 This is the way (that) scientists study climate change. 这就是科学家研究气候变化的方式。 Language writing skills 6. As a result, the first roads made of stone appeared after the arrival of the wheel. 使用了 “be made of ”(由..制成) 句型，并省略“that/which”的定语从句。 同时，使用了“the arrival of ”(..的到来/出现)的短语。 With the arrival of the train made of steel, travel became faster and safer. 随着由钢铁制成的火车的到来，旅行变得更加快速和安全。 Language writing skills 7. The wheel not only changed the way humans move, but it also allowed us to bulid all types of amazing machines. 这是一个包含“not only..but also ”并列句、宾语从句 the way 后省略“that”和动词不定式“to build ”构成的句子。 Learning English not only helps us talk to foreigners, but also opens the door to new cultures. 学习英语不仅帮助我们与外国人交流，还打开了了解新文化的大门。 Language writing skills 8. The Industrial Revolution depeneded on the wheel. 使用了“depend on ”(依靠，依赖) 短语。 Plants depend on sunlight and water to grow. 植物依靠阳光和水来生长。 Language writing skills 9. Without doubt, the wheel is one of the most important inventions of all time. 这是一个考点句，包含“one of ”短语，注意后面要加形容词最高级和名词复数。 English is one of the most important languages in the world. 英语是世界上最重要的语言之一。 Language writing skills Further thinking In the era of new digitalizied world,undoubtedly, the wheel is one of the most important inventions for human beings. Apart from 3D printers, can you explain an important invention that is made of the wheel? The invention— ... What it is What it looks like What it can do Your opinion The Wheel in the Information Age Even in the information age, the wheel is still very important. It is not just on old carts — it works with new technology! For example: *Shared bikes have wheels. People use their phones to unlock them and ride around. It’s easy and green. *Smart delivery robots use wheels to move and bring food or packages to homes. *Electric cars have wheels that work with computers to save energy and find the best way to go. Further thinking Please work with your group members to make a POSTER You can start like this.. In the era of new digitalizied world, we think ...is one of the most important inventions... What it is What it looks like Benefits of the invention What it can do Main features Further thinking Vocabulary practice Vocabulary practice depended on attached to pull paths doubt Vocabulary practice Write about an invention with the words and expressions below. increase after the arrival of.. changed the invention of.. depend on one of the most important inventions of all the time The invention of the printing press greatly increased the spread of knowledge After the arrival of the internet, communication became much faster and easier. The invention of the wheels changed how people communicate with each other. Many products depend on wheels to run smoothly. The wheel is considered one of the most important inventions of all time due to its impact on transportation. Summary Self-assessment Criteria Rate yourself Evidence (课堂实例) I can analyze the information organization and language expression methods of the passage. ⭐⭐⭐⭐⭐ I can summarize the characteristics of science exposition. ⭐⭐⭐⭐⭐ I can gain an in - depth understanding of wheels. ⭐⭐⭐⭐⭐ I can imitate the passage and introduce an important invention with similar structures and language features. ⭐⭐⭐⭐⭐ Homework Finish the writing-The important invention which is made of wheels. Please write an essay no less than 100 words. Continue making the poster and prepare youe group speech. Search more information about how wheels change our daily lives, no less than five things. Thank you! 33 Lavf58.20.100 Tencent CAPD MTS (T-tech) Lavf58.20.100 Tencent CAPD MTS (T-tech) Lavf58.20.100 Tencent CAPD MTS (T-tech) Lavf58.20.100 Tencent CAPD MTS (T-tech) $