Unit 4 课时1 Reading（课件）-2025-2026学年沪教版2024八年级英语上册

该初中英语课件围绕“轮子的奇迹”展开，系统呈现轮子的历史、影响及相关发明知识，课堂从自由讨论历史发明切入，通过读前预测、读中段落匹配与细节阅读、读后深度思考与创新挑战，构建“输入-内化-输出”的连贯学习支架。 其亮点在于融合语言能力与思维品质培养，如读中通过时间线填空、过渡词标注训练信息提取与逻辑分析，读后“轮子创新挑战”让学生设计发明并阐述功能，提升创造思维。采用任务型教学法，学生在实践中强化语言运用与问题解决能力，教师可直接利用分层作业与活动设计，提高教学效率。

Unit 4 Inventions 主讲人：XXX 课 时 ：Reading 课型：阅读课 Unit objectives : After learning this unit,I can: √ identify important inventions in history. √ talk about some interesting inventions in our daily lives. √ describe my ideas for a new invention. √ understand the features of great inventions. Learning objectives of this lesson: I can: √ talk about the history,usage and importance of wheels. √ identify inventions related to wheels in our daily lives. √ master how to annotate a passage. understand the features of great inventions and think of my ideas of invention. What are some great inventions in history? How have different inventions changed the way we live? I thinkair conditioneris a great invention in history.It provides us with a comfortable living condition in hot summer Warm up-free talk air conditioner What are some great inventions in history? How have different inventions changed the way we live? I think light bulb is a great invention in history.It meets people's need for lightening in darkness ● Warm up-free talk air conditioner light bulb What are some great inventions in history? How have different inventions changed the way we live? I think high-speed train is a great invention in history.It hepls people travel faster and strengthen connections between different regins Warm up-free talk high-speed train air conditioner light bulb Complete the timeline of different forms of transport with the words and phrases on page 53. C ar hot-air balloon plane safety bicycle wheel Before reading puJ LI "IFputunt ana wny. 三料以 steam locomotive crewed spacecraft and the first modern 1903 Before reading -discussion Discuss in pairs which invention is the most important and why. Which do you think is the most important invention?Why? I think ...is the most important invention because... When the first humans decided to leave their homes over 100,000years ago in search of new places to live and better sources of food,they did it on fot.Humans continued walking across the globe for the next 94,000 years,until about 6,000 years ago when a number of important changes took place.For instance,in the Central Asian country of Kazakhstan,people started to ride horses.Although this meant that people could travel further and faster,transporting large amounts of goods was stilla ifficult job.Thatallchanged,however,a few hundred years later with the invention of the wheel. Who first invented the wheel?We will never know for sure,but the inventors probably first used whels to makepotery°.Later,the realized tat they could also use them to transpor people and things.They soon attached wheels to horse-pulled vehicles.Farmers were suddenly able to transport their goods to markets far away.This invention increased national and international trade. The wheel changed the way villages,towns and even countries did business with each other,but it wasn't perfect.The roads were old walking paths. These old paths quickly became extremely difficult to use in wet weather.As a resul,the first roads made of stone appeared fter the arivalof the wheel.The Romans then invented new road -building techniques.The new roads were very good,and we still use some of them today. The wheel not only changed the way humans move,butit also allowed us to buildalltypes of amazing machines.Windmills,clocks and other machines all use wheels,and the Industrial Revolution depended on the wheel.Even in our digitalized world,wesilluse wheels in devices such as 3D printers.Without doubt,the wheel is one of the most important inventions ofall time. different ways of transportation the usages of wheels the inventor of wheels the influence of wheels some inventions realted to wheels □ the development of wheels in the future Before-reading-prediction Read the title,pictures and the first sel what the passage might talk about. The wonder of the wheel P1 a.Wheels are everywhere P2 b. New roads and faster travel P3 c.Travelling was hard work P4 d.A world-changing invention These old paths quickly became extremely difficult to use in wet weather.As a result,the first roads made of stone appeared after the arrival of the wheel.The Romans then invented new road -building techniques.The new roads were very good,and we still use some of them today. The wheel not only changed the way humans move,but it also allowed us to build all types of amazing machines.Windmills",clocks and other machines all use wheels,and the Industrial Revolution depended on the wheel.Even in our digitalized world,we still use wheels in devices such as 3D printers.Without doubt,the wheel is one ofthe most important inventions of all time. The wonder of the wheel When the first humans decided toleave their homes over 100,000 ears ag in search of new places o live and btter sources of fod,they didit on fot.Humans continued walking across the globe for the next 94,000years,until about 6,000 ears ago when a number of important changes tok place.For instance,in the Central Asian country of Kazakhstan,people started to ride horses.Although this meant that people could travel further and faster,transporting large amounts of goods was stilla ificult job Thatall changed,however,a few hundred years later with the invention of the wheel. Who firs invented the wheel?We will never know for sure,but the inventors probably first used whels to make pottery°.Later,they realized that they could also use them to transport people and things.They soon attached wheels to horse-plled vehicles.Farmers were suddenly able to transport thei goods to makets a away.This invention increase nationaland intermational trade. The wheel changed the way villages,towns and even countries did business with each other,but it wasn't perfect.The roads were old walking paths. While-reading-read for main ideas Match the headings to the paragraphs with the information from the article on pages 52-53. While-reading-read for details Read paragraph 1 and fill in the timeline. ways of transportation time over 100,000 years ago purpose To search for new places to live and better sources of food IU When the first humans decided to leave their homes over 100,000 years ago in search of new places to live and better sources of food,they did it on foot.Humans continued walking across the globe for the next 94,000 years,until about 6,000 years ago when a number of important changes took place.For instance,in the Central Asian country of Kazakhstan,people started to ride horses.Although this meant that people could travel further and faster,transporting large amounts of goods was still a difficult job.That all changed,however,a few hundred years later with the invention of the wheel. 一 D about 6,000 years ago To travel further and faster Read paragraph 2 and answer the questions. 1.What were wheels first used to do? They were used to make pottery. 2.How do inventors inprove transportation with wheels? They attached wheels to horse-pulled vehicles. 3.What's the influence of this invention? It increased national and international trade. Who first invented the wheel?We will never know for sure,but the inventors probably first used wheels to make pottery.Later,they realized that they could also use them to transport people and things.They soon attached wheels to horse-pulled vehicles.Farmers were suddenly able to transport their goods to markets far away.This invention increased national and international trade. While-reading-read for details While-reading-read for details Read paragraph 3 and try to annotate it. Annotating a text Successful readers often|take notes to remind themselves ofl important informationl|in a text.Here are some tips for annotating a text: ● Write key words next to each paragraph. ● Mark different types of information.For example,circle|transitional words|and underline key information Please circle the transitional words you find in this paragraph. The wheel changed the way villages,towns andeven countries did business with each other but it wasn't perfect.The roads were old walking paths. These old naths auicklv hecame exfremelv difficnlt to uce in wet weather(Aca recnlf the first roads What other transitional words do you know? road -buil because,so,so that,for example,for instance,however,first,second... While-reading-read for details Read paragraph 3 and try to annotate it. Annotating a text Successful readers often take notes to remind themselves oflimportant information in a text.Here are some tips for annotating a text: ● Write key words next to each paragraph. ● Mark different types of information.For example,circle transitional words and underline key information Please underline the key information. The wheel changed the way villages,towns and even countries did business with each other,but it wasn't perfect.The roads were old walking paths. These o Reading tips: roads m When we read a paragraph,it is important to pay attention to bad adjectives and verbs . -building cmqucs.I icw 1vaus wcrc vcryg000; aIlu we sumusc somC oruICm touay. The wheel changed the way villages,towns and even countries did business with each other,but it wasn’t perfect.The roads were old walking paths. These old paths quickly became extremely difficult to use in wet weather.As a result,the first roads made of stone appeared after the arrival of the wheel.The Romans then invented new road -building techniques.The new roads were very good,and we still use some of them today. What changes did the invention of the wheel bring about? Wheels changed the way villages,towns and even countries did business with each other.It also promoted the development of new road-building techniques. While-reading-read for details While-reading-read for details Read paragraph 4 and answer the questions. The wheel not only changed the way humans move,but it also allowed us to build all types of amazing machines.Windmills,clocks and other machines all use wheels,and the Industrial Revolution depended on the wheel.Even in our digitalized world,we still use wheels in devices such as 3D printers.Without doubt,the wheel is one of the most important inventions ofall time. What machines related to wheels are mentioned in this paragraph? Windmills,clocks and 3D printers. Post-reading-deep thinking Work in groups and discuss the questions below. (1)Why is the wheel an important invention?What's the features of great inventions? (2)Why do you think people invented new ways of travelling? (3)Look around you.Can you see any wheels?Where are they? ? Post-reading-deep thinking (1)Why is the wheel an important invention? First,wheel lets people travel further and faster. Besides,wheel increases national and international trade.It also promotes the development of new road- building techniques.What's more,it allows us to build all types of amazing machines. Post-reading-deep thinking (1)What's the features of great inventions? They solve They can be used in They last a big problems. many ways. long time. Great inventions They adapt to They inspire They can help new needs. inventions a lot of people To break Geographical and Environmentallimits To promote cultural and social communication To travel faster and save time To increase trade between different regions To meet curiosity of exploration Post-reading-deep thinking (2)Why do you think people invented new ways of travelling? (3)Look around you.Can you see any wheels?Where are they? all kinds of vehicles rolling chair wheelchair suitcase Post-reading-deep thinking Post-reading-creation Wheel-Powered Innovation Challenge Please work in groups and try to design an invention based on wheels. Requirements 1.Draw a picture of your invention. 2. Use at least 5 sentences to describe your design. · What problem it solves. · What role wheels play(e.g.,for movement,support, rotation). · Any features or functions that make it unique. Wheel-Powered Innovation Challenge Evaluation Creativity(30) How unique is the invention? Practicality(30) Does the invention solve a real -world problem? Design and Explanation(20) Is the design useful in daily life and clearly presented? Presentation Skills (20) Is the presentation clear, attractive and well-organized? Post-reading-creation Summary The history,usage and importance of wheels. Inventions related to wheels in our daily lives. Annotating a passage. Features of a great invention. key information transitional words solve,use,last, adapt,inspire, help,.. Inventions (wheels) Language points Although this meant that people could travel further and faster,transporting large amount of goods was still a difficult job. 词 although conj.虽然，尽管 讲 引导让步状语从句，主句和从句形成对比 例 Although he is tired,he keeps finishing his job. Peter still wants to play with his friends outside although it is raining. 练 1. Although he practised playing violin for a long time,he still lost the game. 2.I will call you_if I have time. Language points This incread national and international trade. 词 international adj. 国际的 讲 用法：在句中作定语或表语。 national adj.国家的 nation n. 国家 例 He won a lot of prizes in international events. 练 1.Mother's Day is an international festival. 2. National_flag of China is red with five yellow stars. 3.The United_Nations is an international organization. Please fill in the passage with right forms of the words. When the first humans decided to leave(leave)their homes over 100,000 years ago in search of newplaces to live and better sources of food,they did it on foot. Until about 6,000 years ago,people started to ride horses. Although this meant that people could travel further and faster (fast),transporting goods was still difficult job.That all changed,however,with the invention (invent)of the wheel. The inventors probably (probable)first used wheels to make pottery.Later, they realized that they could also use them to transport people and things.Farmers were able to transport (transport)their goods to markets far away.This invention increased national (nation)and international trade. The old paths quickly became (become)extremely difficult to use in wet weather.The Romans then invented new road-building techniques.The wheel also allowed us to build amazing machines.The Industrial Revolution depended on the wheel.Without doubt,the wheel is one ofhe most important (important) inventions of all time. Exercise 基础作业：简要描述轮子的影响(至少5句) 进阶作业：完善课堂作品(进一步完善设计稿 和设计简介)。 拓展作业：查找其他发明演变的资料，绘制一 张手抄报。 Homework $