资源简介

(共24张PPT)
Unit 3 Make it happen
Understanding ideas (A helping hand)
（新教材外研版）八年级
上
01
Learning objectives
02
Lead in
03
Pre-reading
05
Post-reading
06
Excercise
（外研版版）八年级
上
07
Summary
04
While-reading
08
Homework
01
Learning objectives
By the end of the lesson, I will be able to...
1
学生能掌握文中重点词汇（如 artificial, invent, improve 等 ）和短语（如 a helping hand, blow sb. away 等 ）。
2
通过阅读练习，提升学生获取细节信息、推理归纳、概括文章主旨的阅读能力；能运用所学词汇和内容进行简单的口语表达。
3
引导学生关注科技对生活的积极影响，培养创新意识和帮助他人、无私分享的美好品德，激发学生用知识和行动为社会做贡献。
02
Lead in
Let’s enjoy the video.
What is this / What are these
03
Pre-reading
Where was the boy
Look at the picture and answer the questions.
Maybe he was at an exhibition.
What was he doing
He was shaking hands.
03
What is the passage about
Pre-reading
Activity 1 Look at the word cloud and predict.
I think the passage is about someone who invented an artificial arm. He or she designed it to improve people’s lives by lending “a helping hand”.
03
Pre-reading
Activity 1 Look and say.
design
artificial arm
invent
helping hand
improve
04
While-reading
Activity 2 Read the passage and check your answer.
What’s the passage about
A. Easton invented an artificial arm and shared his design online for free.
B. Easton was the first person to invent the artificial arm for children with special needs.
C. Children with special needs helped Easton improve his inventions.
04
While-reading
How much did Jenny's artificial arm cost
stand beside 站在旁边
shake hands with sb 与某人握手
all the time 一直，始终
science fair 科学展览会
robotic arm 机械手臂
plastic blocks 塑料积木
fishing line 钓鱼线
04
While-reading
What did Easton decide to do after realizing the high cost of Jenny’s artificial arm
blow sb away 使某人大为惊讶
lend a hand to sb 帮助某人
not good enough 还不够好
one after another 接连地
04
While-reading
What did Easton do with his artificial arm design
make money from... 从......中赚钱
post...online 把...发到网上
for free 免费
If you had a chance to use a 3 - D printer, would you make an artificial arm with Easton’s design And why
Yes, I would. Because Easton’s design is helpful for children who need artificial arms.
04
While-reading
Order the following events in the passage.
Easton made a robotic arm with plastic blocks and fishing line.
Easton allowed people to use this design for free.
Easton and Jenny met at a science fair.
Easton made an artificial arm with a 3-D printer.
①
④
②
③
05
Post-reading
Complete the chart with the words and expressions from the passage.
science fair
without an arm
grow quickly
fishing line
move
weighed
cost
05
Post-reading
Complete the chart with the words and expressions from the passage.
design
1. Jenny’s life would be much easier. She can do more activities and the artificial arm looks better than a hook. It is also cheaper, so her family can save more money.
05
Post-reading
Complete the chart with the words and expressions from the passage.
2. From Easton, I learn that creativity and persistence can solve problems. By sharing his design for free, he teaches me that technology should help everyone, not just those who can pay.
05
Language Points
1. Eston LaChappelle, a 14-year-old student, stood beside his work at a science fair.在一场科学展览会上，14岁的学生伊斯顿 拉查佩尔站在他的作品旁边。
用法：作可数名词，意为“展览会”，指的是一个大型的，公开的展览或集市，通常包含多个摊位，展品和活动，如贸易展览会，艺术博览会，书展等。
A book fair is to be held next month.
下个月将举办一场图书展览会。
05
Language Points
2. What’s worse, children like her grow quickly and need arms all the time. 更糟糕的是，像她这样的孩子长得快，经常需要新的假肢。
用法：grow with sb 表示“和某人一起成长”，grow 既可以表示“人或动物的长大，成长”，也可以表示“植物的生长，发育”。
These days kids grow up so quickly.
如今孩子们长得真快。
05
Language Points
3. But it wasn’t good enough yet: the arm weighed 3.6 kilograms. It was too heavy for a child. 但它还不够好：假肢重达3.6千克。这对一个孩子来说太重了。
用法：作连系动词，意为“重，重量是......”，后加表示重量的词语。
Her brother weighs 70 kilos.
她的哥哥/弟弟重70千克。
06
Exercise
Please choose the correct answer from A, B, C.
1. What is the meaning of "invent" in the text ( )
A. To buy something new.
B. To make something new for the first time.
C. To repair something old.
D. To sell something useful.
（答案：B 解析："invent" 在文中指 Easton 首次创造出人造手臂这一新产品，即 “发明”。）
06
Exercise
Please choose the correct answer from A, B, C.
2. What did Easton do with his artificial arm design
A. He kept it as a secret.
B. He sold it to a big company.
C. He posted it online for free.
D. He gave it to his teacher.
（答案：C 解析：教材指出 Easton 决定将设计免费发布到网上，让更多人可以下载制作。）
07
Summary
一、核心词汇
1. artificial 人造的 例：artificial arm 人造手臂
2. invent 发明；inventor 发明家；invention 发明物
3. improve 改进；提升 例：improve the design 改进设计
4. blow sb. away 使某人惊叹 例：It blew me away!
二、关键短语
a helping hand 援手；帮助
be born without... 生来没有…… 例：born without an arm
07
Assessment
Self-assessment
I can acquire expressions related to team activities through watching and listening activities.
I can share experiences of team activities in real - life contexts.
I can understand and recognize the importance of collaborative cooperation in team activities.
08
Homework
抄写并背诵文中重点词汇（artificial, invent, improve 等 ）和短语（a helping hand, blow sb. away 等 ）
Basic (基础)
抄写并背诵文中重点词汇（artificial, invent, improve 等 ）和短语（a helping hand, blow sb. away 等 ）。
Improving(提升)
复述文章内容，可结合板书脉络，用自己的语言讲述 Easton 发明人造手臂帮助他人的故事。
Extend (拓展)
小组合作（2 - 3 人 ），制作一份关于 “科技如何帮助特殊人群” 的英文海报。

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