课件20张PPT。Unit 4 Amazing Science Topic 1 When was it invented ? Section C ReviewA: When was the car invented?
B: It was invented in 1885.
A: Who was the car invented by?
B: It was invented by Karl Benz. Make dialogs like this:Pair work Make up dialogs ShenzhouⅦ
launch /in China/in 2008Pirates of the Caribbean
direct/by Gore Verbinski/in 2006laptopinvent/in Japan/
in 1985 Work in groups and discuss the questions before reading.What is an invention?
invention n.发明，创造
invent v. 发明，创造
inventor n. 发明者，发明家
An invention may be a new product or a new way of doing things.
2.List some inventions that you know and their inventors.
computer lock television light bulb chopsticks crayon …
3.Do you think you can be an inventor? Why?
Yes, inventing is interesting and exciting and everyone can be an inventor. v.列清单，把…列表n.彩色铅笔（粉笔，蜡笔）等Work in groups and discuss the questions before reading.invention
crayon
thought
silly
brainstorm
evaluate
redesign
detailed愚蠢的，傻的
发明，创造
彩色铅笔
想法，看法，主意
集思广益，动脑筋
重新设计
估值，评价，评估
详细的Match the words with their meanings.A. Draw your invention. B. Name your invention.
C. Test your invention. D. Use your imagination.
E. Plan and design your invention. 1b Read 1a and put the sentences in the correct places . ___ You can have wild and crazy thoughts. Remember that no idea is too silly. Many people laughed at the Wright brothers and said they would never fly. But they weren’t discouraged by what people said. That’s why now we have planes.D想像力1b Read 1a and put the sentences in the correct places . _______ Careful planning is important in the invention process. This is the time to brainstorm for ideas and to evaluate them.
_______ Make a detailed drawing of your invention so others will understand how your invention works.
Make a model of your invention.
_______ See if your invention works as it is planned . If not, do more research, redesign it, and test it again.
_______ Every invention needs a name.
Share your inventions with others. EACB1c Read 1a again and fill in the blanks. When you want to have an invention , first you must use your ________. Then you should plan and design it. Careful planning is very _________ in the invention. Third, you should make a _______ drawing of your invention and make a model of it. If you want to make your invention more successful, you must ______ it again and again. After that, you _______ your invention. Last, remember that you should _______ your invention with others. imaginationimportantdetailedtestnameshare1a Read and understand.Can you list it? 1. An invention – come about –solve a problem– the result of –crayons—none of –be made in –interesting, exciting – inventor –a few simple steps
2.Use your imagination– thought– silly – laugh at –be discouraged
3.Plan and design your invention– be important to –brainstorm– evaluate
4.Draw your invention—make a detailed drawing
5. Make a model
6.Test your invention --do more research
7. Name your invention
8. Share…with
Retell it balloon gunrobotkeyboardDiscuss1.What are the top 3 most important inventions? Why ?
2.Which is the least important invention ?Why?2 Discuss with your partner which of the followings are the top 3 most important inventions and which is the least important invention. Then explain your choice to the class. Example:
I think zero is the most important invention. It is said that it was invented by an Indian. It is a very interesting number. For example, I have only ten yuan. If you add five zeros after it for me, haha, I will be a rich man. 3 Do you know how to be an inventor? Do you want to invent something? Write a passage about your invention. The following questions may help you . 1. How do you come to the idea of your invention?
2. What does it look like?
3. What is it made of/from?
4. What’s it used for?
5. What are you going to name it?Before writing, think more clearly and tell about the looks, uses, advantages and disadvantages of an object. My invention is a robot. It is called “Superman”. There is a computer inside its body. It looks like a tiger. When you see it for the first time, you may be frightened. In fact, it is gentle and polite. It can help us do housework, such as cleaning a room, washing dishes, and making the bed. When the room is dirty, it will begin to work at once. It can also watch over a house instead of humans. It is careful, clever and hard-working. In short, this robot is very useful to us, though it can’t run or speak. You can write it like this:i________ n. the creation of something in the mind; the act of inventing
c________ n. a rod(棒） of colored wax（蜡） used for drawing
t________ n. an idea that you have in your mind
s________ adj.foolish
b________n. small thin inflatable(可充气的） rubber bag with narrow neck
g________ n. a weapon（武器） from which bullets（子弹） or other things are fired
r________ n. a machine that can move automatically（自动地）
k________ n. the set of keys that you press in order to operate it Complete the following words according to their first letters and meanings.nventionrayonhoughtillyalloonunoboteyboard1.People used the light bulbs widely in the past. (改为被动语态）
The light bulbs ______ ______ _______ by people in the
past.
2. We can launch spaceships to explore other planets. (改为被动语态）
Spaceships ______ ____ _________to explore other planets.
3. Gore Verbiniski directed the movie Pirates of the Caribean in America . (对划线部分提问）
_______ ______ Gore Verbiniski ________ the movie Pirates of the Caribbean?
4. The MP3 player was developed around 1998. (对划线部分提问)
________ ________ the MP3 player _______________?Exerciseswere widely used can be launchedWhere did directWhen wasdevelopedSummaryWe learn : 1.Some words: invention, crayon, thought,
silly, balloon, gun, robot, keyboard
2.Some phrases: laugh at，come come out，
the result of …， none of …
3. Some sentences:
Inventing is interesting and exciting and everyone
can be an inventor .
We can : 1. Talk about the process of an invention.
2. Write a passage about an invention. Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section C in your workbook.
Preview Section D.AssignmentThank you !课件内容介绍和使用说明
本课件是为仁爱英语九年级上册Unit 4 Topic 1 Section C编写的教学课件，, 这是第四单元第一话题的第三课时。本课为读写课。该课以发明物为话题，在语篇中学习相关的单词和句型，培养学生的阅读理解能力、书面表达能力和学生热爱科学的精神。为更好更有效地完成本课的教学任务，本课件从学生实际出发，对教材进行了必要的整合，教学设计直观生动。本节课主要活动有2个，1a和3，因此对教学设计作如下安排：
Getting students ready for learning:
给出一组图片，复习被动语态的使用。 (幻灯片2、3 )
Pre-reading:
与学生讨论1a中的三个读前问题，同时教学一些生词，引入1a的学习。 (幻灯片4、5 )
While-reading:
学生快速阅读1a，找出生词，完成相应任务。(幻灯片6 )
阅读1a，获取文章大意，完成1b。(幻灯片7、8 )
播放1a录音，让学生跟读，注意模仿语音语调。然后完成1c。(幻灯片9 )
播放1a动画，进一步理解文章内容。(幻灯片10 )
Post-reading:
整体阅读 1a, 列出文章主要结构，复述文章。(幻灯片11 )
Practice:
学生分组讨论2，并说明自己选择的理由。(幻灯片12、13 )
完成3， 呈现范文。（幻灯片14、15）
巩固练习。（幻灯片16、17）
Assigning homework:
总结本堂课的新单词、短语和新语法项目,让学生能把握整堂课的重点。(幻
灯片18 )
② 设计了书面显性作业及课文朗读、复习Sections A-C等隐性作业。(幻灯片19 )
