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(共26张PPT)
3
Unit
Make it happen!
Understanding ideas
Great inventions could change our lives. In this unit, Let’s explore inventions. Where do smart ideas come from What qualities do inventors have What drives people to invent By the end of this unit, you will make a display board about an invention.
After completing the unit, you will be able to：
use words and expressions in the unit to talk about inventions.
use to-infinitive and -ing as object to talk about invention ideas.
explain the importance of invention.
Starting out
1
Watch the video and answer the questions.
1 What are the differences between
the two families
2 What caused these differences
2
Look at the pictures and answer the questions.
1 What are these inventions
2 How have they changed our lives
the South-Pointing Spoon(Si Nan) wheel computer mobile phone
The South-Pointing Spoon enabled our ships to find their way in the vast ocean; the wheel made the transportation of goods faster; the computer has changed the way we obtain information and communicate; the mobile phone allows us to communicate with others anytime and anywhere. All of them have made our lives more convenient. (答案不唯一，仅供参考)
1
Understanding ideas
Look at the word cloud and predict. What’s the passage about
It’s about an invention-an artificial arm.
(答案不唯一，仅供参考)
2
Read the passage and check your answer.
Easton LaChappelle, a 14-year-old student, stood beside his work at a science fair, It was a robotic arm. He built it out of plastic blocks and fishing line.
“Hello,” said a girl with an artificial arm, as she shook hands with Easton’s work.
n. 展览会, 市集 adj. 公平的 adv.公平地
n. 块, 街区, 大厦
用……建造
This was the first time Easton met Jenny. She was born without an arm. Her artificial arm was just a simple hook, but it cost $80,000. What’s worse, children like her grow quickly and need new arms all the time.
“It blew me away! I built my arm for only $300,” thought Easton. “I must lend a hand to people like her.”
be born without 天生没有…
n. 钩子
v. 花费, 付出(代价) n. 费用
更糟糕的是
一直
v.借出
伸出援手
After the fair, Easton’s room became a lab. He stayed there all day. He always tried to improve his work. For his 16th birthday, Easton got a 3-D printer. And with it, he invented an artificial arm. It was able to move with brain signals of the user, But it wasn’t good enough yet: the arm weighed 3.6 kilograms. It was too heavy for a child.
打印机
发明
n. 脑, 智慧
v. 重量为…
n. 重量
n. 公斤, 千克
Easton kept working on it. He enjoyed fixing problems one after another, And finally he hit on success at age 23. His design only weighed 0.5 kilograms and cost around $500!
Easton’s invention has helped many children. He didn’t want to make money from it, He decided to post his design online... for free! People can download the design and make an artificial arm with their own 3-D printers!
What a helping hand!
v. 修理, 安装
赚钱
v. 下载
3
Order the following events in the passage.
______ Easton made a robot arm with blocks and fishing line.
______ Easton allowed people to use his design for free.
______ Easton and Jenny met at a science fair.
______ Easton made an artificial arm with a 3-D printer.
1
2
3
4
4
Complete the chart with the words and expressions from the passage.
How did Easton come up with the idea
Where: At a(n) 1____________
Who: Jenny, a girl born 2_____________
Problem to solve: Jenny’s artificial arm cost $80,000. But children like her 3_____________, so they always need new arms.
science fair
without an arm
grow quickly
Age 14: A robot arm. It was made from plastic blocks and 4____________.
Age 16: An artificial arm. It could 5___________ with brain signals, but weighed 3.6 kilograms.
Age 23: Another artificial arm. It 6___________ just 0.5 kilograms and 7___________ around $500.
What are Easton’s inventions
He decided to post his 8___________ online for free. People could make their own with 3-D printers.
What did Easton do with his invention
fishing line
move
weighed
cost
design
1 How would Jenny’s life change with Easton’s invention
2 What can you learn from Easton
Think and share
She would save much money and she would have a much lighter artifical arm.
I think he is a helpful and kind person. We should learn from his kindness and sense of social responsibility. (答案不唯一，仅供参考)
Learning to think for question 1
To understand the influence of something, you can compare the situation before and after the use of it.
5
Read the sentences from the reading passage and summarise the grammar rules.
He always tried to improve his work.
(b) He enjoyed fixing problems one after another.
Now find more sentences with these structures in the reading passage.
6
Complete the paragraph with the correct form of the words in brackets.
Lily’s grandfather had Parkinson’s disease, and he kept 1___________ (knock) his drinks over. Lily decided 2___________ (design) a new cup to help him. She invented a cup with three legs. It can stand well on the table and Grandpa loved 2_______________ (use) it!
knocking
to design
using/to use
7
Complete the news report with the correct form of the words in the box.
apply have shake do make
17-year-old Shantanu Gangwar noticed a problem. Blind students at school had a hard time moving around. They wished 1___________ a smart machine to warn them about the objects in their way, so Shantanu decided 2________ something to help,
to haven
to do
He invented a smart walking stick. It can sense objects nearby. Once it senses an object, it starts 3________________ to warn the user.
Shantanu won an award and received many congratulations for his invention. However, he wanted 4___________ it even better. He also hoped 5___________ it to real life after finishing high school. “We can produce a lot of these sticks and help more blind people,” he said.
shaking/to shake
to make
to apply
Work in pairs. Think of a problem and come up with an idea for an invention. Then write an advertisement for it. Use the words and expressions from the reading passage and the Useful expressions to help you.
8
Introducing the
new_____________!
The _____________ solves the problem of _____________.
It works by _____________.
Get one for yourself now!
Useful expressions
·... was just a…, but it cost…
· What’s worse, ...
· I must lend a hand to...
· I’m going to invent a..
· It will be able to…
· ……仅仅是一个……，但是它花……钱。
· 更糟糕的是，……
· 我必须帮忙去……
· 我打算发明一个……
· 它将能够……
Homework
完成相关课后习题
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