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Unit 5 Power Of Ideas
SectionB (2a-2c）
人教版 九年级上册
By Yushen
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一、语言能力
1.掌握核心词汇：sticky, produce, product, invention, invent, inventor, creative, create, rapidly, widely, gradually, afford, production 等；
2.掌握动词、名词、形容词词性转换规则（invent-inventor-invention-inventive；create-creative-creation；collect-collection-collective；produce-product-production-productive）；
3.熟练运用短语：to one’s surprise, pieces of, stand up, result in；
4.能读懂便利贴偶然发明的短文，完成填空、文本分析，口头复述发明故事。
二、学习能力
1.学会归纳词性转换规律，自主拓展同根词；
2. 掌握阅读填空解题技巧：根据时态、固定搭配、上下文语境选词变形；
3. 能小组合作梳理文本人物、事件、故事脉络。
三、文化意识
1. 了解便利贴偶然发明的西方小故事，明白很多伟大发明源于生活意外；
2. 知晓爱迪生、富兰克林等中外发明家事迹，感受人类创新文化；
3. 体会发明改变生活，尊重创新、善于观察生活的人文内涵。
四、思维品质
培养观察、思考、解决生活小问题的创造性思维；
教学目标
教学重难点
重点
1.同根词词性辨析与变形（invent/create/produce 词族）；
2.短语固定搭配与时态变形；
3.读懂便利贴发明短文，获取关键信息。
难点
1.invent /produce 词义区分：invent 创造全新事物；produce 工厂批量生产产品；
2.阅读填空根据语境变换单词形式；
3.用英语完整复述便利贴发明全过程。
01
Lead-in
Free Talk
Look at this piece of paper.
What is it
sticky note / Post-it note.
Do you use it in your daily life
When and how do you use it
Free Talk
sticky note / Post-it note.
How was this little but super useful invention born Was it carefully designed by scientists, or just a happy accident in a lab
02
Presentation
produce (v.) 生产
product (n.) 产品
invention
n. 发明物 (物)
inventor
n. 发明物 (物)
invent
V. 发明
Acreativeperson cancreatenew things and be remembered as a greatcreator.
Edison was a greatinventor. Heinventedthe light bulb, a world-famousinvention.
A mobile phone is a common product we use every day.
This big factory produces thousands of cars each month.
New words
rapidly / r p dli/ adv. 迅速地；快速地
afford / f d/ v. 买得起；能做
company / k mp ni/ n. 公司；剧团
sticky / st ki/ adj. 黏（性）的；闷热的
songbook / s b k/ n. 歌曲集
production /pr d k n/ n. 生产；制作
gradually / ɡr d u li/ adv. 逐渐地；逐步地
widely / wa dli/ adv. 广泛地；普遍地
glider / ɡla d (r)/ n. 滑翔机
2a
Complete the table with different forms of the words. You can add more.
Noun Verb Adjective
collect
creative
invent
product
collection
collective
creation
create
invention
inventive
produce
productive
2b
Choose the correct word to complete each sentence.
1. The use of modern medicine has helped control / spread many dangerous
diseases.
2. News could travel much more rapidly / slowly with inventions like the radio and the television.
3. Fibre made from oil provides a(n) cheap / expensive solution to the problem that many people cannot afford to buy enough clothes.
4. A film was invented / produced by a film company to tell us about what robots could do for people’s lives in the future.
5. In January 1911, Feng Ru carried out a secret / public test flight in Oakland City. He showed the world what Chinese people could achieve.
2c
Complete the passage with the correct forms of the phrases in the box. Then discuss how an invention like sticky notes is turned into reality.
piece of stand up result in to sb’s surprise
Did you know that an accident led to the invention of sticky notes In 1968, a scientist named Spencer Silver was trying to make a strong glue. _______________ , he produced a glue that was really weak. It could stick things, but it could be removed very easily. The glue was interesting, but no one could find a use for it.
Then, in 1974, a man named Arthur Fry was trying to mark the pages in a songbook using small _________ paper. However, whenever he _____________ to sing, the pieces fell to the floor. Then he remembered Silver’s glue. With the glue, the paper stayed in the songbook, but it could later be removed. Fry’s idea _________ the production of sticky notes of many sizes and colours. They gradually became popular and now are widely used all over the world.
To his surprise
pieces of
resulted in
stood up
Story Analysis: The Accidental Invention
The story tells us about...
How Spencer Silverinventeda special, weak glue that stuck lightly without leaving marks.
How Art Fry struggled with his bookmarks and found a way tosolvehis daily problem using Silver’s glue.
How this small,creativeidea was developed into a world-famousproductwe all use now.
And most importantly, how it perfectlypreventedpapers from slipping or tearing when stuck together.
Key Figures:Spencer Silver (the inventor of the glue) & Art Fry (who discovered its everyday use).
Chemical Experiment
The lab work behind Silver's weak glue discovery.
The Inventors
Silver & Fry collaborated to bring the idea to life.
“Great inventions are often born from an accident that meets a need.”
Summary
Key Words：product, produce, invent, inventor, invention, creative, create, prevent, solve
（辨析：produce 侧重“生产制造”；invent 侧重“创造前所未有的新事物”）
Key Patterns：
1. The factory produces high-quality products.
2. He invented the light bulb. It's a great invention.
Core Takeaway：Be curious and creative! Every small idea could be the next big invention waiting to happen.
Exercise
1.Thomas Edison was one of the greatest ___________ (invent) in history.
2. This big factory ____________ (produce) mobile phones every year.
3. The young painter is very ________ (create).
4. We all like to ________ (collect) storybooks.
5. The weak glue was a surprising ________ (invent), and it ________ (gradual) led to sticky notes.
produces
inventor
creative
collect
invention
gradually
Homework
01.Must do
02.Choose to do
Write a short paragraph (about 60 words) about your favorite invention
1. Read aloud all the new words 5 times until you can spell them.
2. Complete the vocabulary and sentence exercises in your workbook
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教学目标
. 语言能力
掌握核心词汇：sticky, produce, product, invention, invent, inventor, creative, create, rapidly, widely, gradually, afford, production 等；
掌握动词、名词、形容词词性转换规则（invent-inventor-invention-inventive；create-creative-creation；collect-collection-collective；produce-product-production-productive）；
熟练运用短语：to one’s surprise, pieces of, stand up, result in；
能读懂便利贴偶然发明的短文，完成填空、文本分析，口头复述发明故事。
2. 学习能力
学会归纳词性转换规律，自主拓展同根词；
掌握阅读填空解题技巧：根据时态、固定搭配、上下文语境选词变形；
能小组合作梳理文本人物、事件、故事脉络。
3. 文化意识
了解便利贴偶然发明的西方小故事，明白很多伟大发明源于生活意外；
知晓爱迪生、富兰克林等中外发明家事迹，感受人类创新文化；
体会发明改变生活，尊重创新、善于观察生活的人文内涵。
4. 思维品质
辩证思考：偶然发现 + 生活需求才能成就伟大发明；
培养观察、思考、解决生活小问题的创造性思维；
学会梳理叙事类文本逻辑，归纳文章主旨。
二、教学重难点
重点
同根词词性辨析与变形（invent/create/produce 词族）；
短语固定搭配与时态变形；
读懂便利贴发明短文，获取关键信息。
难点
invent /produce 词义区分：invent 创造全新事物；produce 工厂批量生产产品；
阅读填空根据语境变换单词形式；
用英语完整复述便利贴发明全过程。
四、教学准备
多媒体 PPT、便利贴实物、爱迪生、便利贴发明者图片、单词表格学案、课堂练习题单
三、教学过程（45 分钟）
Step1 Lead-in & Free Talk 导入（7min）
出示彩色便利贴图片，提问：What’s this 引出 sticky note / Post-it note，讲解 sticky adj. 粘性的；
互动问答 Free Talk：
Do you use sticky notes in your daily life
When do you use them (mark books, take notes, remind yourself)
过渡设问：This small useful thing—was it carefully planned or invented by accident 引出本课主题：The accidental invention of sticky notes。
Step2 Presentation 新知呈现（12min）
图片导学核心词族，搭配图片直观讲解：
invent v. 发明 → inventor n. 发明家 (爱迪生图) → invention n. 发明物 (灯泡图)
produce v. 生产 (汽车工厂图) → product n. 产品 (手机图) → production n. 生产
create v. 创造 → creative adj. 有创造力的 → creation n. 创作
快速领读生词：rapidly, widely, gradually, afford, company, songbook，讲解词义与副词后缀 - ly；
完成 2a 表格任务：学生独立填写词形转换，全班核对，教师总结词性变化规律。
Step3 Vocabulary Practice 词汇巩固（8min）
完成 2b 选词填空，学生先独立完成，小组互查，逐题讲解：
区分 spread/control；rapidly/slowly；cheap/expensive；invented/produced；public/secret；
重点点拨 afford（常与 can/could/be able to 连用，afford to do）；
全班齐读完整句子，内化单词用法。
Step4 Reading Task 2c 阅读精讲（13min）
预读：观察方框短语 piece of, stand up, result in, to sb’s surprise，提示注意时态变形；
限时阅读填空，学生独立完成；
核对答案，逐句分析：
To his surprise 固定搭配 “令他惊讶的是”
pieces of paper 固定量词搭配，piece 变复数
stood up 全文过去时态，stand 过去式 stood
resulted in “导致，促成”，result 过去式 resulted
文本深度分析 Story Analysis：
两个核心人物：Spencer Silver（研发弱胶水）、Arthur Fry（发现胶水实用场景）
故事主线：失败胶水→生活书签难题→结合胶水诞生便利贴→批量生产流行全球
小组讨论：Why can this accidental glue become a great invention 总结主旨：Great inventions come from accident plus daily needs。
Step5 Summary & Emotional Sublimation 总结升华（3min）
梳理核心辨析：
invent：创造从未存在的新发明；produce：工厂批量制造产品
情感升华：生活处处有创新，保持好奇心，善于观察、解决生活小问题。
Step6 Homework 作业布置（2min）
分层作业：
必做：朗读生词 5 遍并默写；完成练习册词汇与句型习题；
选做：写 60 词左右短文 My favorite invention。
四、板书设计
Unit5 Section B 2a-2c
Word families
invent v. → inventor (人) → invention (物)
produce v. → product n. 产品 → production n. 生产
create v. → creative adj. → creation n.
Phrases
to one’s surprise 令某人惊讶
pieces of paper 几张纸
stand up 站起来
result in 促成，导致
Sentence
Edison invented the light bulb. It is a great invention.
Factories produce all kinds of products./ 让教学更有效 精品试卷 | 英语学科
4
一、基础巩固：词形转换
用所给词的正确形式填空
Thomas Edison is a great ________ (invent), and he ________ (invent) many great ________ (invent).
This factory ________ (produce) phones every day. Its ________ (produce) sells well.
He is a ________ (create) artist. His ________ (create) are popular all over the world.
We can ________ (collect) old books. Our ________ (collect) is full of storybooks.
二、能力提升：选词填空
从方框选词并使用正确形式：rapidly, afford, spread, produce, public
The news ________ all over the town in one day.
Technology changes ________ in modern times.
Many poor people can’t ________ new houses.
This movie was ________ by a famous film ________.
Feng Ru did a ________ flight to show Chinese people’s power.
三、阅读运用：短文填空
选用方框短语正确形式填空：to one’s surprise, pieces of, stand up, result in
Do you know bubble wrap（气泡膜）was also an accidental invention
Engineers wanted to make plastic wallpaper in 1957. ____________, they made a bumpy plastic sheet instead. At first, no one found its use.
Later, a man used small ________ plastic sheet to pack small gifts. When he ________ to carry boxes, the plastic protected things well. This great idea ________ the wide use of bubble wrap in shipping.
四、写作拓展
My Favorite Invention
提示：
What’s your favorite invention
Who invented it / What is it used for
Why do you like it
五、阅读理解拓展
Read and answer the questions
Sticky notes were born from a lab mistake. Spencer Silver made weak glue that didn’t tear paper. Arthur Fry used it as bookmarks in his songbook. The company produced sticky notes in many colors. Now people use them widely for study and work.
Who invented the weak glue
What did Arthur Fry use the glue for at first
Why do sticky notes become popular all over the world
九上Unit 5 Power Of Ideas Section B (2a-2c)课堂练习参考答案：
一、词形转换
1. inventor; invented; inventions
2. produces; products
3. creative; creations
4. collect; collection
二、选词填空
1. spread 2. rapidly 3. afford 4. produced; company 5. public
三、短文填空
To his surprise; pieces of; stood up; resulted in
写作范文参考
My Favorite Invention
My favorite invention is the mobile phone. It was improved by many inventors. It is a common product in our daily life. We can chat, study and look up information on it. It changes our life rapidly. I think it is one of the greatest inventions because it connects people easily.（词数：58）
五、阅读问答
Spencer Silver.
He used it to make bookmarks for his songbook.
Because they are convenient and widely useful in people’s daily life.

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