资源简介

(共50张PPT)
What do creative ideas bring about
Section A 3a-3d
Unit Five
Power of Ideas
Learning objectives
语言能力
1
学习能力
2
文化意识
3
思维品质
4
Extract key info about inventions using wh-questions and passive voice in past tense.
Analyze how the radio changed the world and evaluate what makes an invention useful.
Complete a fact chart and use it to describe an invention’s history and impact.
Appreciate how inventions connect the world and understand their role in human progress.
6
Language
points
7
Exercise
8
Homework
1
Lead in
2
Free talk
3
Pre-listening
4
While-listening
5
Post-listening
Contents
Lead in
Review
There are so many great inventions in the world.
Now let’s enjoy a video to know about them.
Review
What do you think is a great invention
I think ... is a great invention.
Free talk
What can you see in these pictures
Which one do you think is the most useful Why
Look at these amazing inventions and talk about the question.
computer
mobile phone
3D printer
radio
Free talk
Here are the lyrics of Radio Ga Ga by the British rock band Queen.
I’d sit alone and watch your light
My only friend through teenage nights
And everything I had to know
I heard it on my radio
You gave them all those old time stars
Through wars of worlds invaded by mars
You made them laugh you made them cry
You made us feel like we could fly
What does the underlined word “You” refer to in the lyrics
It refers to the radio.
Pre-listening
What can you see from the picture
伽利尔摩 马可尼
Guglielmo Marconi
/ɡ lj lmo mɑ r ko ni/
the earliest wireless telegraph
最早的无线电报机
While-listening
Read the conversation. What does Peter think is the most useful invention of all time
3a
Fu Xing: What do you think is the most useful invention of all time, Peter
Peter: It has to be the radio.
Fu Xing: The radio Why
Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by
the radio. Suddenly, news could be spread around the world in seconds.
Fu Xing: Right. Who was the inventor
Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio
message was sent across the Atlantic Ocean for the first time.
Fu Xing: Wow! That was quite a distance at that time.
Peter: Yeah. And because of the radio, some other important inventions were developed as well.
Fu Xing: Like the television
Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music
from artists around the world.
have to be + 名词 必须是/成为...
What does “radio” refer to here
VS
While-listening
Read again and complete the chart.
3b
radio
Fu Xing: What do you think is the most useful invention of all time, Peter
Peter: It has to be the radio.
Fu Xing: The radio Why
Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by
the radio. Suddenly, news could be spread around the world in seconds.
Fu Xing: Right. Who was the inventor
Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio
message was sent across the Atlantic Ocean for the first time.
Fu Xing: Wow! That was quite a distance at that time.
Peter: Yeah. And because of the radio, some other important inventions were developed as well.
Fu Xing: Like the television
Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music
from artists around the world.
Who’s the inventor
Fu Xing: What do you think is the most useful invention of all time, Peter
Peter: It has to be the radio.
Fu Xing: The radio Why
Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by
the radio. Suddenly, news could be spread around the world in seconds.
Fu Xing: Right. Who was the inventor
Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio
message was sent across the Atlantic Ocean for the first time.
Fu Xing: Wow! That was quite a distance at that time.
Peter: Yeah. And because of the radio, some other important inventions were developed as well.
Fu Xing: Like the television
Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music
from artists around the world.
When was it invented
Fu Xing: What do you think is the most useful invention of all time, Peter
Peter: It has to be the radio.
Fu Xing: The radio Why
Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by
the radio. Suddenly, news could be spread around the world in seconds.
Fu Xing: Right. Who was the inventor
Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio
message was sent across the Atlantic Ocean for the first time.
Fu Xing: Wow! That was quite a distance at that time.
Peter: Yeah. And because of the radio, some other important inventions were developed as well.
Fu Xing: Like the television
Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music
from artists around the world.
How did it change the world
①
②
③
④
While-listening
An Italian inventor called Guglielmo Marconi.
In 1901.
Because of the radio, some other important inventions were developed as well.
The radio made it much easier for people to enjoy music from artists around the world.
By the radio, news could be spread around the world in seconds.
radio
Post-listening
Post-listening
Listen to the conversation. Pay attention to how the key information is stressed. Then role-play the conversation.
朗读提示：
一、名词类（核心事物、专有名词，必须重读）
如：核心词 the radio 每一次出现都重读，这是全文中心话题。
二、数字 / 时间（突出时间节点，重读）
如：1890s
三、形容词、程度副词（体现对比、程度，重读）
如：the most useful
四、动词（体现发明作用、动作，被动分词重点重读）
如：invented
五、逻辑 / 强调关键词（突出问答核心、因果）
如：why
3c
How to talk about an invention
Fu Xing: What do you think is the most useful invention of all time, Peter
Peter: It has to be the radio.
Fu Xing: The radio Why
Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by
the radio. Suddenly, news could be spread around the world in seconds.
Fu Xing: Right. Who was the inventor
Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio
message was sent across the Atlantic Ocean for the first time.
Fu Xing: Wow! That was quite a distance at that time.
Peter: Yeah. And because of the radio, some other important inventions were developed as well.
Fu Xing: Like the television
Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music
from artists around the world.
invention(what)
effect(why/how)
inventor(who)
invented time(when)
effect(why/how)
Four Elements of Describing an Invention:
What + Who + When + How (effect)
Retell the text!
The invention is the radio.
It was invented by ..., an Italian inventor.
The idea was developed in the ...
In ..., the first radio message was sent across ...
It changed the world because ...
Four Elements of Describing an Invention:
What + Who + When + How (effect)
Post-listening
Choose another invention that you think is the most important and
make a mind map about it. Then describe it to a partner.
refrigerator
mobile phone
robot
...
Evaluation(评价) Complete content (内容完整)
Correct language (语言准确)
Clear voice (自信表达)
3d
influenced
I think the mobile phone is one of the most important inventions. Invented by Martin Cooper in 1973, it has greatly changed our daily lives. It is convenient to carry because it is small and thin. We can not only keep in touch with others anytime and anywhere by making calls and sending messages, but also take photos, surf the internet, study and work easily. It made communication much faster and brought people closer. Undoubtedly, the mobile phone made our lives more convenient and colourful.
Sample
Show Time
What do creative ideas bring about
Further thinking
Knowledge of physics helps people turn an idea into a useful invention.
What do you think is the relationship between science and invention
What do creative ideas bring about
We learn English to know more scientific stories;
we learn physics to understand the world.
Good learners wanted
Listen carefully
Speak clearly
Read aloud
Work actively
Show respect
Note something important
Members Listen carefully Speak clearly Read aloud Work actively Show respect Note In total
Group leader
Member 1
Member2
Member3
Evaluate yourself
Language points
What do you think is the most useful invention of all time, Peter
It has to be the radio.
The radio Why
Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds.
Right. Who was the inventor
Fu Xing:
Peter:
Fu Xing:
Peter:
Fu Xing:
有史以来
此处much修饰比较级
片刻；瞬间
Language points
Language points
An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time.
Wow! That was quite a distance at that time.
Yeah. And because of the radio, some other important inventions were developed as well.
Like the television
Peter:
Fu Xing:
Peter:
Fu Xing:
第一次
That’s right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world.
Peter:
have a big effect on sth. 对某事/某物有很大影响
1. What do you think is the most useful invention of all time？
1. "of all time" 意为"有史以来、所有时代中"，
用来强调范围，表示"在所有时间/所有事物里最……"。
例句：
This is the most useful invention of all time.
（这是有史以来最有用的发明。）
2. 关键搭配：必须和形容词/副词的最高级一起使用，用来修饰名词，放在名词后面。
常见结构：
the + 形容词最高级+ 名词+ of all time
one of the + 形容词最高级+ 复数名词+ of all time
1. What do you think is the most useful invention of all time？
【易错提示】of all time 与最高级连用
of all time 必须与形容词/副词的最高级搭配使用，不能单独使用，也不能与比较级连用。

【即学即练】
1. This is ______ invention of all time.
A. useful
B. more useful
C. the most useful
D. most useful
2. 翻译句子。屠呦呦是有史以来最伟大的科学家之一。
Tu Youyou is one of the greatest scientists of all time.
2. Before the radio was invented, information travelled very slowly.
invent / n vent/ v. 发明；编造
【辨】create, discover与invent
The man created a new kind of music.
那个人创造了一种新的音乐形式。
The man discovered some jewellery in the box.
那个人在箱子里发现了一些珠宝。
Edison invented the light bulb.
爱迪生发明了灯泡。
2. Before the radio was invented, information travelled very slowly.
create 创造；创建 指通过想象力等创造出新事物，通常是抽象事物，如艺术、文学作品等，也可指具体的产品
discover 发现 指找到已经存在但以前不为人知的事物，如科学规律、 资源、星系等
invent 发明；编造 指通过研究和设计，制造出以前不存在的新物品或新方法，如工具、方法、材料等
invent / n vent/ v. 发明；编造
【辨】create, discover与invent
2. It also had a big effect on music.
effect / fekt/n. 效果；作用；影响
have an effect on 对…… 产生影响；
take effect 生效；
come into effect 开始实施
相关词形：
affect v. 影响；使改变（动词） effective adj. 有效的；起作用的
effectively adv. 有效地；实际上
effectiveness n. 有效性；效用
单词 核心区别
effect 侧重事物带来的客观结果、实际效果，名词；
固定搭配 have an effect on
influence 侧重潜移默化、长期的思想 / 性格层面的熏陶、感化，可作名词 / 动词
impact 侧重冲击力强、巨大深远的重大冲击、强烈影响，程度比 effect 更强
辨析：effect, influence和impact
一、用 invent /inventor/invention 填空
Who ______________ the telephone
Edison is a great ______________.
This is a great ______________ in human history.
二、单项选择（一般过去时被动）
The telephone __________ by Bell many years ago.
A. invented B. was invented C. is invented
2.Many new things __________ in the 1990s.
A. were developed B. are developed C. develop
invented
inventor
invention
B
A
Exercises
三、句型转换
People invented the camera long ago.（改为被动语态）
The camera __________ __________ long ago.
四、翻译句子
互联网对我们的生活产生巨大影响。
这条新闻几秒内传遍了全世界。
The Internet has a big effect on our life.
The news spread around the world in seconds.
was invented
Exercises
五、选用方框中的短语填空（每个限用一次）
was invented was spread was sent
had a big effect on developed the idea
1. The radio ____________________ in the 1890s by Guglielmo Marconi.
2. Before the radio, news ____________________ very slowly.
3. In 1901, a radio message ____________________ across the Atlantic Ocean for the first time.
4. The radio ____________________ music because it made it easier to enjoy songs from around the world.
5. Marconi ____________________ of using radio waves for communication.
was invented
was spread
was sent
had a big effect on
developed the idea
六. 单项填空
( ) 1. The first airplane ______ by the Wright brothers in 1903, which opened the era of human flight.
A. invents B. invented C. is invented D. was invented
( ) 2. The math competition was very difficult, but Tom worked it out ______ with his excellent skills.
A. in seconds B. on time C. by chance D. in person
( ) 3. — Excuse me, could you tell me the ______ from here to the nearest subway station
— Sure. It’s about 500 meters. You can walk there in 5 minutes.
A. price B. weight C. distance D. height
( ) 4. Lack of sleep _____ your ability to concentrate, and this bad habit has a negative ______ on your study.
A. affects; affects B. effects; affects C. affects; effects D. effects; effects
( ) 5. — I think the Internet is the most important invention in human history.
— ______. It has completely changed the way we live, work, and communicate.
A. I don’t agree B. I’m not sure C. That’s right D. Never mind
一、知识点总结
重点短语
the most useful invention of all time 有史以来最有用的发明
have to be 一定是；肯定是
travel very slowly 传播非常缓慢
in seconds 在几秒之内
spread around the world 传遍全世界
at that time 在那时
have a big effect on… 对…… 产生重大影响
as well 也（放句末）
Summary
重点句型 & 语法
被动语态（一般过去时）
结构：was/were + 过去分词，表示 “某物被……”
Before the radio was invented, information travelled very slowly.
A radio message was sent across the Atlantic Ocean.
核心：谈论发明，常用一般过去时被动，描述物品 “被发明、被制造”。
2.特殊疑问词引导问句（阅读高频）
Who was the inventor 发明者是谁？
When was it invented 它什么时候被发明？
How did it change the world 它如何改变世界？
3.make + 宾语 + 形容词 使…… 变得……
The radio made the world much smaller.
Must-do必做
背诵重点短语 8 个，每个短语抄写 2 遍并翻译中文。
2.熟读对话 3a，能流利朗读。
Choose-to-do选做
仿照课本 3d，选一个你喜欢的发明（如 computer），制作简易思维导图，包含：发明物、发明者、发明时间、对世界的改变。
口头小作文：5 8 句话口头介绍这个发明，可以录音或者写在作业本上。
Homework
Thanks for listening！中小学教育资源及组卷应用平台
中小学教育资源及组卷应用平台
中小学教育资源及组卷应用平台
单元分课时教学设计
年级科目 2026新版九上英语科 目英语
授课名称 Unit 5 Power of Ideas
授课课时 第三课时 3a-3dSection A (1a-2d) What is fun in a yard
授课类型 Conversation
授课文本
一、教材分析 Analysis of teaching material
What:本节课围绕对话文本展开，主题为最有用的发明——无线电。1. 3a：阅读对话，获取主旨：Peter认为无线电是史上最有用的发明，梳理无线电的发明人物、时代背景以及它对信息传播、其他发明、音乐领域带来的改变。2. 3b：重读对话，完成思维导图表格，提取发明者、发明年代、世界影响三类事实信息，训练信息筛选概括能力。3. 3c：听录音，留意重读的关键信息，之后角色扮演复现对话，训练朗读、语音语调与口语输出。4. 3d：自主挑选另一项重要发明，制作思维导图，向同伴口头描述，实现知识迁移，完成从输入到创造性输出。语言点：被动语态 was invented / was sent ； have a big effect on ； make it +adj.+for sb to do ；发明类话题词汇。文本结构：问答式对话，由观点提问→阐述理由→介绍发明者历史→拓展衍生影响，逻辑层层递进。语言特点：口语化问答句式，事实信息丰富，兼顾叙事与观点表达。Why:1. 主题层面：借助无线电发明的语篇，感受科技发明对人类社会的改变，激发科学探究意识。2. 语言能力：通过读、听、角色扮演，掌握发明话题表达，巩固一般过去时被动语态；训练学生抓取文本关键信息。3. 思维品质：借助表格、思维导图梳理信息，培养归纳梳理逻辑；3d活动鼓励学生独立思考，形成自己对重要发明的看法。4. 学习能力：遵循由输入到输出，由模仿到创造的认知顺序；角色扮演、结对交流，提升合作学习能力。
How: 读前：抛出问题“What is the most useful invention of all time ”激活已有背景知识，引出无线电主题，铺垫发明相关词汇。2.3a阅读活动：学生快速阅读对话，回答主旨问题；细读文本。文本为问答对话结构：一问一答推进内容，先抛出观点，再解释原因，介绍史实，拓展衍生影响。语言为日常交际口语，穿插事实陈述，大量使用一般过去时被动语态介绍发明事件。教师引导学生圈画人物、时间、影响等关键信息。 3.3b任务：重读对话，完成思维导图填空。依托图表支架，把对话零散信息结构化，训练提取信息，梳理文本事实。4.3c听力+角色扮演：播放音频，引导学生注意重读的关键词（inventor，time，effect）；学生模仿语音语调，结对角色扮演对话，内化对话句式。5.3d迁移输出：学生自主选择一项发明，制作思维导图，参照原文结构，向同伴口头介绍，实现语言迁移运用。6.课堂小结：回顾发明话题句型、被动语态，梳理文本逻辑结构，升华科技改变生活的主题。
二、教学内容 Teaching content
1. 阅读对话，获取主旨信息，弄清Peter认为无线电是史上最有用发明的原因，梳理无线电相关事实信息。2. 再次阅读对话，完成思维导图表格，提取发明者、发明时间以及对世界产生的影响，锻炼信息归纳能力。3. 听对话录音，留意重读的关键信息，模仿语音语调，开展角色扮演活动，练习口语交际。4. 自主选取一项重要发明，制作思维导图，参照文本框架，向同伴口头描述该发明，实现语言迁移输出。
三、教学目标Teaching objectives
Language Abilities (语言能力)Extract key information about inventions using wh-questions and passive voice in past tense. Learning Abilities (学习能力)Analyze how the radio changed the world and evaluate what makes an invention useful.Thinking Qualities (思维品质)Complete a fact chart and use it to describe an invention’s history and impact.Cultural Awareness (文化意识)Appreciate how inventions connect the world and understand their role in human progress.
四、教学重难点Teaching important and difficult points
Teaching important points:Extract key information about inventions using wh-questions and passive voice in past tense. Teaching difficult points: Complete a fact chart and use it to describe an invention’s history and impact.
五、教学步骤Teaching procedures
Step1.Lead inStep2. Free talkStep3. Pre-readingStep4. While-readingStep5. Post-readingStep6. Language pointsStep7. Exercise
六、教学评一体化教学过程设计Teaching process
教学步骤 教学活动 效果评价
Step1. Lead in ReviewThere are so many great inventions in the world.Now let’s enjoy a video to know about them.What do you think is a great invention I think ... is a great invention.【设计目的】回顾所学内容，建立新旧知识间的联系，导入话题，引发学生兴趣,加深记忆。 观察学生是否在积极讨论。
Step2. Lead in Step3. Pre-readingStep4. While-readingStep5.Post-readingStep6.Language pointsStep7.ExerciseStep8.Summary 1.Free talkLook at these amazing inventions and talk about the question.What can you see in these pictures Which one do you think is the most useful Why 【设计目的】借助各类发明图片激活学生已有知识，引导学生思考最实用的发明，调动课堂氛围，为本课无线电主题学习做好铺垫。2.Watch and answerWhat invention has been mentioned Here are the lyrics of Radio Ga Ga by the British rock band Queen. What does the underlined word “You” refer to in the lyrics 【设计目的】借助歌曲片段导入radio主题，通过歌词设问，训练学生指代理解能力，激发兴趣，自然衔接本课对话文本学习。1.Look and answerWhat can you see from the picture 【设计目的】激活学生背景知识，训练观察与表达能力，为课文学习做铺垫。2.3a.Read the conversation. What does Peter think is the most useful invention of all time What does “radio” refer to here 【设计目的】阅读对话，获取主旨信息，弄清Peter认为无线电是史上最有用发明的原因，梳理无线电相关事实信息。1.3b.Read again and complete the chart.【设计目的】训练快速定位信息的阅读技巧，熟悉话题核心内容, 培养细节理解和逻辑判断能力并锻炼信息归纳能力。Watch the video and role-play.【设计目的】观看AI对话视频，使得材料内容简单化，直观化，加深理解和记忆。掌握对话结构内容和相关句型表达，为后面的对话输出奠定基础。另外分角色朗读对话，能让学生沉浸式理解文本语境，提升口语表达与语感，同时增强合作意识。3.Think how to talk about an invention 【设计目的】提取文本细节，训练信息归纳与对比梳理能力。训练学生划分段落，提炼主旨的概括能力。4.Retell the text!【设计目的】复述主要内容，检查学生对文章内容的理解，提升学生的逻辑思考能力。1.3d.Choose another invention that you think is the most important and make a mind map about it. Then describe it to a partner.【设计目的】自主选取一项重要发明，制作思维导图，参照文本框架，向同伴口头描述该发明，实现语言迁移输出。并且通过结对交流的形式，锻炼清晰流畅的口语表达，学会恰当运用语调与肢体语言，提升语言运用能力与沟通自信。2.Learn the sample【设计目的】研读发明介绍范文，梳理文本表达框架，积累话题句型，为学生后续口头输出与书面描述发明搭建语言支架。3.Watch and learn【设计目的】借助动画科普广播电台相关知识，丰富背景认知，加深学生对无线电工作原理的理解，辅助文本内容学习。4.Further thinkingKnowledge of physics helps people turn an idea into a useful invention. What do you think is the relationship between science and invention We learn English to know more scientific stories; we learn physics to understand the world. 【设计目的】引导学生思考科学与发明的内在联系，感悟学科之间的关联性，锻炼思辨能力，升华单元主题育人价值。1.What do you think is the most useful invention of all time？2.Before the radio was invented, information travelled very slowly. It also had a big effect on music.【设计目的】系统梳理本节课的重点语言知识。明确重点内容，避免知识碎片化。1.用 invent /inventor/invention 填空单项选择3.句型转换4.翻译句子5.选用方框中的短语填空（每个限用一次）单项选择【设计目的】检查学生对所学内容的掌握。知识点总结1.重点短语the most useful invention of all time 有史以来最有用的发明have to be 一定是；肯定是travel very slowly 传播非常缓慢in seconds 在几秒之内spread around the world 传遍全世界at that time 在那时have a big effect on… 对…… 产生重大影响as well 也（放句末）2.重点句型 & 语法被动语态（一般过去时）结构：was/were + 过去分词，表示 “某物被……”Before the radio was invented, information travelled very slowly.A radio message was sent across the Atlantic Ocean.核心：谈论发明，常用一般过去时被动，描述物品 “被发明、被制造”。特殊疑问词引导问句（阅读高频）Who was the inventor 发明者是谁？When was it invented 它什么时候被发明？How did it change the world 它如何改变世界？make + 宾语 + 形容词 使…… 变得…… The radio made the world much smaller.【设计目的】梳理本课重点短语、句型与一般过去时被动语态，帮助学生巩固话题语言知识，构建知识体系，为语言输出夯实基础。 观察学生是否在认真思考，是否能回答相关问题。观察学生是否在静心倾听，是否能做出积极的回答。观察学生是否能做出正确的回答。观察学生是否能做出正确的回答。观察学生是否在认真学习。观察学生是否会细读定位，是否会提炼关键内容。观察学生是否在积极对话，发音是否正确，语句是否流利。观察学生是否能做出正确的划分和概括。观察学生是否在积极复述，回答内容是否正确。观察学生是否在积极参与。观察学生是否在认真学习做记录。观察学生是否在认真观看。观察学生是否有所思考。学生是否在认真记录学习。学生是否能根据要求完成练习任务。学生是否在认真记录学习。
七、教学评价Teaching evaluation
1.Before class, I will ask students to perform well in the class according to the following evaluation form.2.During the class, I will use my body language like smile and encouragement language to assess the students properly and give feedback in time. 3.After class, I will ask the students to evaluate themselves in the following evaluation form.The purpose is to check the students' grasp of the key and difficult points of the class. And I can also make teaching improvements.YesNoI can extract key info about inventions using wh-questions and passive voice in past tense. I can analyze how the radio changed the world and evaluate what makes an invention useful.3.I can appreciate how inventions connect the world and understand their role in human progress.4.I can complete a fact chart and use it to describe an invention’s history and impact.
八、板书设计Blackboard design
Unit 5 Power of IdeasSec A 3a-3d
九、家庭作业Homework
必做Must-do 选做Choose-to-do
1.背诵重点短语 8 个，每个短语抄写 2 遍并翻译中文。2.熟读对话 3a，能流利朗读。 仿照课本 3d，选一个你喜欢的发明（如 computer），制作简易思维导图，包含：发明物、发明者、发明时间、对世界的改变。2.口头小作文：5 8 句话口头介绍这个发明，可以录音或者写在作业本上。
十、教学反思Teaching reflection
In this class, I guided students to extract key information about inventions using wh-questions and passive voice in past tense. In addition, I taught them how to analyze how the radio changed the world and evaluate what makes an invention useful. And we completed a fact chart and used it to describe an invention’s history and impact. Every student thinks it significant to appreciate how inventions connect the world and understand their role in human progress.
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