Unit 5 Lesson 5教学设计 2025-2026学年冀教版八年级英语下册

Unit5 Lesson5 Refrigerator timeline教学设计 〖教材〗冀教版八年级下册 〖课题〗Unit5 Lesson5 Refrigerator timeline 〖课型〗项目课 一、学情分析 八年级学生已具备一定的英语阅读基础，能够理解简单的记叙文和说明文。他们对体育话题有较高的兴趣，尤其是女排精神作为国家荣誉的象征，容易引发情感共鸣。但学生在长难句理解、细节信息提取和深层含义分析方面仍需引导，同时需要通过多样化的活动调动学习积极性，将语言学习与情感体验相结合。 二、教材分析 本单元围绕“伟大发明”主题，整合语言知识与文化内涵。教材通过发明故事、产品介绍等文本，呈现一般过去时被动语态（如"was invented"）和情态动词表推测（如"must have been"）等语法点，帮助学生掌握科技类话题的表达逻辑。 内容设计注重实用性与思维培养：阅读材料涵盖历史发明（如电话、互联网）和现代创新（如环保科技），培养学生信息提取与归纳能力；口语活动通过“发明展示”“问题解决”等任务，提升语言运用与批判性思维；写作环节引导学生撰写发明介绍或创意设计，强化书面表达能力。 教学中需结合跨学科元素，如科学史、环保理念，激发学生创新意识。通过对比中外发明案例，渗透文化自信教育。同时关注不同层次学生，设计分层任务，确保全员参与。本单元不仅提升语言技能，更培养学生科学素养与社会责任感。 三、教学目标 Students will be able to master the key vocabulary: refrigerator, timeline, invention, preserve, electricity, patent, etc. Students will be able to understand the timeline of refrigerator development and the main events in each period. Students will be able to use the timeline to retell the development of refrigerators. Cultivate students' interest in scientific inventions and their awareness of the impact of technology on human life. 四、教学重点难点 教学重点 Key vocabulary related to the refrigerator timeline. Understanding and retelling the timeline of refrigerator development. 教学难点 Using the timeline to retell the development process logically. Expressing personal opinions on the importance of refrigerators with proper reasons. 五、教学方法 任务型教学法、合作学习法、情境教学法、多媒体辅助教学法 六、教学媒体运用/教具准备 · Multimedia equipment (PPT, video clips of sports events) · Flashcards of new vocabulary Worksheets for reading and writing tasks 七、教学过程 ●Step1 Warming up （2min） Brainstorming 1.Show a picture of a modern refrigerator and ask students: "What is this? What do we use it for?" 2.Invite students to share their answers. Write down their ideas on the blackboard, such as "keep food fresh", "store drinks", "make ice", etc. ●Step2 Pre-reading （8mins） Ask a follow-up question: "Do you know how people kept food fresh before refrigerators were invented?" Let students discuss in pairs for 2 minutes, then share their ideas. ●Step 3 Reading (10mins) Step 1: Skimming Ask students to read the text quickly and answer the following questions: Step 2: Scanning Ask students to read the text carefully and complete the following table: ●Step 4 Post reading (5mins) Group Discussion: ●Step 5 group work (7mins) Step 6 Summary （6min） 1.Review the key points of the lesson: the timeline of refrigerator development and key vocabulary. 2.Emphasize the importance of scientific inventions in improving people's lives. Homework: 1.Write a short passage (about 100 words) to introduce the development of refrigerators. 2.Think about another invention that has changed people's lives and prepare to share it in the next class. 八、板书设计 Key Vocabulary Timeline of Refrigerator refrigerator timeline invention preserve electricity patent 1748: William Cullen 1805: Oliver Evans 1834: Jacob Perkins 1851: John Gorrie 1913: Fred W. Wolf 1927: General Electric 九、课后反思 学科网（北京）股份有限公司 $