Unit3写作课件- 2025-2026学年沪教版（2024）八年级英语上册

该初中英语课件聚焦“发明主题写作”，以王瑶的飞行汽车为例，通过思维导图和文章结构分析（What it is, looks like, benefits等要素），引导学生从理解写作框架到语言细节（如数字、连接词运用），搭建从输入到输出的学习支架，帮助构建发明主题写作能力。 其亮点在于结合实例分析与语言对比（如数字描述“300 km/h”优化模糊表达，连接词提升句子连贯），培养学生的语言能力和思维品质，评价指标与小组讨论提升学习能力。学生能掌握结构化写作与精准表达，教师可借助清晰步骤和评价工具提高教学效率。

Unit 4 Inventions Writing and Project 1 02 03 Learning objectives By the end of this lesson, I can: 01 write an article about your new invention learn to modify your sentences with data and examples. learn to use cohensive words What inventions have we learnt in this unit? How do they change our lives? Cleaner Cat Brushes Full-body Umbrella LED Slippers Two-way Glasses Noodle Fan Wheel Lead- in Pre-writing Writing an aticle about a new invention Brainstorm ideas for new inventions. What problem do you face in your daily life? Who else needs help with this problem? What are some possible ways to solve this problem? What kind of invention can solve the problem? What are the key information about your new invention? You can draw a mind map like the following examples. My invention— What it is Main features What problem it can solve What it looks like What it can do Pre-writing Wang Yao drew a mind map before she wrote about her idea for a new invention — a flying car. My invention— A flying car What it is What it can do Main features Benefits of my invention What it looks like What is her new invention? What does Wang Yao plan to write about her new invention? Pre-writing Read for structure Read Wang Yao’s article to find out how she organized her ideas. What it is What it can do Main features Benefits of my invention What it looks like ① ② ③ ④ Pre-writing Look at the mind map and read her article to find out how she organized her ideas. P60 1 What it is What it looks like Main features 1 2 3 What it can do 1 Benefits of my invention 2 3 Pre-writing Read for language Underline the sentences that describe the car’s features. How does the writer make them clear and convincing? topic sentence Pre-writing Compare the following sentences and decide which is better. Read for language Sentence 1: It travels a long way in a short time. Sentence 2: It has a top speed of 300 km/h. You can travel farther distances in less time. Tip 1: Use numbers and comparative language to make sentences clearer and more persuasive. Pre-writing Compare the following sentences and decide which is better. Read for language Sentence 3: Instead of petrol, the car uses solar power, so it will not pollute the air. Sentence 4: The flying car doesn’t use petrol. It uses solar power. It will not pollute the air. Tip 2: Use linking words to make sentences more coherent. Pre-writing Useful sentence pattern in this unit How do we talk about main features? More useful words: make…faster, make ….more comfortable, efficient, safe, funny ,easy to use It’s fast, convenient and green. Pre-writing Useful sentence pattern in this unit How do we talk about the problem in our life? These old paths quickly became extremely difficult to use in wet weather. Although this meant that people could travel further and faster, transporting large amounts of goods was still a difficult job. Pre-writing How do we talk about the problem in our life? As there are more cars on the road, there are more traffic jam. A candle does not produce as much light as a light bulb. Useful sentence pattern in this unit Pre-writing How do we talk about what it can do? Farmers were suddenly able to transport their goods to markets far away. This invention increased national and international trade. Later, they realized that they could also use them to transport people and things. Useful sentence pattern in this unit Pre-writing Useful sentence pattern How do we talk about what it can do? When you ride the bicycle, it moves the clothes around the washing machine. If you shout fly, the car will turn into a plane in 30 seconds. Instead of petrol, the car uses solar power, so it will not pollute the air. Pre-writing How do we talk about benefits of our new invention? Without doubt, the wheel is one of the most important inventions of all time. The wheel not only changed the way humans move, but it also allowed us to build all types of amazing machines. The Industrial Revolution depended on the wheel. Useful sentence pattern in this unit Pre-writing Pre-writing Evaluation indicators scores Scoring criteria 1. Does the article contain the main features and appearance of the invention? 5= Excellent 4= Good 3= Acceptable 2= Needs improvement 2. Does the article describe the function and method of use of the invention? 3. Is the article supported by sufficient details? 4. Does the article use right sentence patterns and rich vocabulary? 5. Is the essay spelled, grammar, and punctuated correctly? Here is an Evaluation indicators bere you write your new invention Write about your invention. You can also draw a picture of it. e.g. My invention is + 物品名称 e.g. • It is + 体现特点 的形容词/ • It has + 具体构造 e.g. It has + 外观 组成部分 e.g. It can + 具体动作/功能 e.g. My invention will + 带来的益处 While-writing ■ I wrote about the main features of my invention, such as ____________, and what it looks like.  ■ I described what it can do and how it is used.  ■ I used the words and expressions I learnt in this unit.  ■ I used correct spelling, grammar and punctuation.  Tick (√) the boxes to check your writing, and then revise it. Post-writing Project Discuss in groups (1) What problem does your invention solve? (2) Who may need your invention? (3) What are the weaknesses of your invention? Choose one member of your group to be the note taker, who will write down the ideas shared by your group. Decide on the best invention in your group and make a presentation about it. Share your writing with your group members and use the questions below to check your writing. Read and complete Read the example below and complete the outline. Introduction Name: ________________ Type: ________________ Purpose Problem to solve: ________________ Benefits: __________________________ __________________________ Design Material: _______________________ Main features: ___________________ folding helmet a bicycle helmet difficult to carry More people will wear helmets and it will keep more people safe. hard plastic shine in the dark; fit everybody Design in groups Design your invention in groups and write a description of it. Introduction Name: ________________ Type: ________________ Purpose Problem to solve: __________________ Benefits: __________________________ Design Material: _______________________ Main features: ___________________ Present and vote Present your invention to the class. Then vote for the best invention in your class. Write an article about a new invention My invention— A flying car What it is What it can do Main features Benefits of my invention What it looks like Summary Specific details Cohensive words Self-assessment Can I design my invention based on practical problems in life.? □ Yes □ No Can I use numbers and comparative language to make sentences clearer and more persuasive? □ use…to… □ allow… to… □ change the way we do something Use linking words to make sentences more coherent? □ not only…but also… □ As a result 1. Polish your writing. 2. Preview Focusing on culture part on pages 62-63. $