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(共23张PPT)
Brainstorm ideas for new inventions.
What are some possible ways to solve this problem
Who needs help with this problem
What are the possible ways of solving this problem
Pre-writing
Ask questions about Wang Yao’s invention—A flying car. Collect ideas for the mind map below.
My invention—
A flying car
What it is
What it can do
Main features
Benefits of my invention
What it looks like
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
Read Wang Yao’s article and complete the mind map with key words.
Read for details
a flying car
fast, convenient, green
four wheels
use solar power
travel at a top speed of 300 km/h
be controlled by voice
two wings
avoid traffic jam
make driving a more exciting experience
fly anywhere they like and enjoy the view at the same time
What it is and its main features
What it looks like
What it can do
Its main benefits
A flying car
run on land
fly in the air
Read for language
Underline the sentences that describe the car’s features. How does the writer make them clear and convincing
topic sentence
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.
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 1: Use numbers and comparative language to make sentences clearer and more persuasive.
Tip 2: Use linking words to make sentences more coherent.
Plan and write
Step 1 Draw a mind map for your own invention.
Step 2 Write about your invention. You can also draw a picture of it.
While-writing
Check your writing and complete the chart,, and then revise it.
Item Yes No If no, how can you improve it
1. Did you write about the main features of your invention and what it looks like
2. Did you describe what it can do and how it is used
3. Did you use the words and expressions you learnt in this unit
4. Did you use correct spelling, grammar and punctuation
Post-writing
Work in pairs or groups. Give scores to your partner’s or the other group members’ writing.
评价指标 得分 评分标准
1. 文章是否包含了发明的主要特征和外观？ 5= Excellent
4= Good
3= Acceptable
2= Needs improvement
2. 文章是否描述了发明的功能和使用方法？ 3. 文章是否有足够的细节支撑？ 4. 文章是否使用了恰当的句型和丰富的词汇？ 5. 文章的拼写、语法和标点是否正确？ Post-writing
You can also ask questions about your partner’s or the other group members’ writing.
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.
Self-assessment
评价内容 评分（1–5）
1. 我能根据生活中的实际问题设计我的发明。 1 2 3 4 5
2. 我能利用思维导图清楚地介绍我的发明。 1 2 3 4 5
3. 我能使用本单元新学的词汇和表达来完成作文。 1 2 3 4 5
4. 我能使用评价标准自评和互评作文。 1 2 3 4 5
5. 我能与同伴完成项目式学习，合作展示本组的发明。 1 2 3 4 5
Homework
基础作业：
1. 完善作文，在小组内互读文章，完成组内互评。
2. 小组分工，把发明介绍制作成幻灯片或海报，图文并茂。
拓展作业：
欣赏其他小组的作品，修改和完善本小组的作品。有条件的学生可以把自己的发明做成模型，将发明带到教室展示。
benefit /'benIfIt/ n. 益处；优势
The invention of the wheel brought many benefits.
wing /wIN/ n.（飞行器的）翅膀；机翼
The mechanics are checking the wings of the airplane before it takes off.
distance /'dIstRns/ n. 距离
With mobile phones, people can stay in touch even over long distances.
petrol /9petrRl/ n. 汽油
More and more people are driving electric vehicles instead of cars that run on petrol.
avoid /R9vOId/ v. 避免；防止
Fridges keep food fresh for longer, so they help us avoid food waste.
anywhere /9eniweR(r)/ adv. 在（或去）任何地方
Thanks to smartphones, we can get in touch with our friends anywhere, anytime.
traffic jam 堵车；交通阻塞
I was late for school today because of a traffic jam.

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