(共23张PPT)
（人教新目标版）九年级
Period 6 Section B (3a-Self Check)
Unit 6
When was it invented
Learning objectives
Language competence
To write an article about the greatest invention in your mind.
Cultural awareness
To know more about great inventions and arouse the interest in inventing.
Thinking quality
To think about an interesting invention in your mind.
Learning ability
To train writing skill
writing
THEME:
invention
Pre-writing
Problem:
quickly taking notes in class
New invention:
a special pen
What it is used for:
Taking notes for me. It can take notes automatically.
Think of something that you do not like to do. Then think of an invention that could help you. Make notes.
Pre-writing
Problem:
get up early
New invention:
a special clock
What it is used for:
Waking me up. It can call me up with the voice of my teacher.
Pre-writing
Problem:
do homework
New invention:
a robot
What it is used for:
Doing homework with me. It can be my favorite homework partner.
Now it’s your turn!
Pre-writing
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
This special pen was invented by Liu Jie. It has three colors and is used for…
While-writing
常用句型：
1. I think … is a very useful invention.
我认为……是一项很有用的发明。
2. … was invented by …
……是由…… (某人)发明的
3. … was invented in …
……是在…… (某时间)发明的
4. It was used for … 它被用来……
5. … is made of ………
是由……(材料)制成的
While-writing
将有6位同学扮演“推销商”上台向同学们“推销”自己的发明，台下的每位同学都有一票选择权，得票最多的“推销商”获胜。
（注：在“推销”发明时需全程使用英语）
Play a game
谁的发明最畅销？！
Post-writing
appreciation
let's do it better.
Post-writing
Sample writing:
This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down.
The pen comes with a microchip that can store a list of common words that you will use. You can program the words you will use often into the microchip’s memory, then assign a short form to each
Post-writing
word. When you are writing, you just need to write the short forms with the pen, press a button on the pen and all the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to.
Post-writing
我们在推销一件产品的时候，通常会从哪几个方面去描述呢？
Invention
What is the invention
What is it used for
Who invented it
When was it invented
Summary
Post-writing
It is often difficult to decide on the inventor of certain inventions. This is
invent, doubt, mention, nearly, website, all of sudden
1. Complete the passage with the correct forms of the words in the box.
Self Check
invent
nearly
all of a sudden
doubt
because sometimes a few people may ______ things which are _______ the same. It’s hard to tell who came up with the idea first.
Some inventions can also lead to other inventions _____________. So some people _____ whether the inventor came
Self Check
websites
mention
up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or _______ usually _______ more than one inventor when giving information about inventions.
Self Check
My watch was stolen (by someone).
When was the personal computer invented
Five eggs were used to make this big cake.
2. Rewrite these sentences using the
passive voice.
1. Someone stole my watch.
_________________________________
2. They used five eggs to make this big cake.
__________________________________
3. When did they invent the personal computer
__________________________________
__________________________________
Self Check
The video was taken back to the store (by someone).
We were asked not to run in the hallway (by them).
4. They asked us not to run in the hallway.
__________________________________
__________________________________
5. Someone took the video back to the store.
__________________________________
__________________________________
Self Check
Invention: _________________________
When: _________________________
Who: _________________________
Purpose: _________________________
in 2013
umbrella with a light
Li Meng
3. Find out information about an invention you would like to know more about and write sentences below.
seeing in the rain in the dark
Self Check
Summary
The structure and content of the passage
2.Key points in this unit
1.Revise your writing
2.Do the exercises in students’ book.
Homework/ 让教学更有效 高效备课 | 英语学科
Unit 6 When was it invented Section B (3a-Self Check) Period 6
教学设计
课题 Section B (3a-Self Check ) 单元 Unit 6 When was it invented 课型 Writing
使用教材 人教版 出版时间 2015 学科 英语 年级 九年级
教学目标 Language competence To write an article about the greatest invention in your mind.Cultural awarenessTo know more about great inventions and arouse the interest in inventing. Thinking qualityTo think about an interesting invention in your mind.Learning abilityTo train writing skill
重难点 1.To write an article about the greatest invention in your mind.2.To train writing skill.
教学方法 Task-based teaching method, situational teaching method
教学工具 PPT. textbook, blackboard, a multimedia computer
教学过程
Step 1 Leading-inLead Ss to review the inventions mentioned in this unit.[Purpose] To review passive voice Step 2 Pre-writing1. Ask Ss to think of something that they do not like to do and then think of an invention that could help them. 2. Let Ss read the instruction of 3b and help Ss analyze the structure and content of the passage.[Purpose] To get ready for writingStep 3 While-writing Let Ss use the given structure to write the passage Show one of the good passages to Ss and underline good sentences and correct the mistakes [Purpose] To improve Ss' writing skillsStep 4 Post-writing1. Let Ss work in groups to read other Ss' writings and give some advice. 2. Lead Ss to finish self check and then Check answers.[Purpose] To know how to edit writingStep 5 SummaryThe structure and content of the passage Key points in this unit Step 6 HomeworkRevise your writingDo the exercises in students’ book.
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