课件21张PPT。Unit 4 Amazing Science Topic 1 When was it invented? Section B( )1.He ___play computer games unless he finished his
homework.
A. was allowed to B. was not allowed to C. allow to
( )2.We all know that paper ___wood.
A. is made of B. is made into C. is made from
( )3.This kind of machine ___in 2006.
A. is invented B. is made C. was invented
( )4.A(An)___is used for taking photos.
A .Camera B. Lift C. MP3 player
( )5 .We should spend more time ___because it’s too
important.
A .to learn English B. learning English C. in EnglishBCCABI. Choose the right answer. You can do it.ReviewII. Fill in the blanks with the right preposition.
1.The desk is made _____ wood.
2.The red wine is made _____ grapes.
3.This delicious cake was made ___my mother.
4.Glasses are made ___ glass.
5.Our group is made up ___ four students.
6.That kind of machine is made _____Japan.offromofofbyinReviewinvent /America/in 1946A: Where were computers invented?
B: They were invented in America.
A: When were computers invented?
B: They were invented in 1946. Look and talk about the picture.MP3 player
1998
Korea
listen to musicmobile phone
1973
America
communicate easilyPlease choose one to talk about.digital camera
1975
America
take photosA:What’s this ?
B:It’s …
A:When was it invented ?
B: It was invented in …
A: Who invented it ?
B:…
1b Listen to 1a and choose the correct answers. ( ) 1. Where are Michael and Jane?
A. In the science museum.
B. At the school library.
C. In the zoo.
D. In the park.
( ) 2. Which object is not mentioned in
the conversation ?
A. Light bulb. B. Airplane.
C. Television. D. Radio.AC1a Look, listen and say.When was it invented?
Who invented it?Look, a light bulb!In 1897,
Thomas Edison.In 1895 in 1903 in 1879Can you match them?1c Read 1a and complete the table.radioairplaneThomas
EdisonWilbur and
Orville Wright187918951a Look, listen and say.1d Discuss with your classmates the inventions listed in 1c. Let them guess which invention you are describing. You may begin like this:
It is widely used by people everywhere. It was invented in 1879 by Thomas Edison. It’s said that…A: What are these ?
B:…
A: When were they produced first ?
B:…
A: What were they made of ?
B:…Do you know?2 Fill in the blanks with the proper forms of the given words. The first jeans were produced in 1855. At that time, they ___________(not call ) jeans and they were just hard-wearing pants designed for workers. The pants _____________ (make ) of the brown cloth. This kind of cloth ______ usually ________(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles _______ also ________(create). They ___________( design) not only for workers but also for teenagers and women. Later jeans are popular all over the world. were not calledwere madewasusedarecreatedare designedA. Karl BenzC. Alexander Graham BellB. John BairdInventionInventorYeara.1926b.1876c.18853 Listen to the three passages. Match the pictures with the following information. 4a Read the following words. Listen and check the vowels. rocket cotton hospital model
satellite camera laptop plastic
4b Listen and read the following sentences aloud, paying attention to the stress and intonation. Then use the words in 4a to make up similar conversations. A: `When was the `digital camera `developed?
B: It was `developed in the `1970s.
A: Is the `digital camera `developed in `Korea?
B: `No.
A: `Where was it `developed?
B: It was `developed in `Japan. The light bulb is w______ used by people everywhere.
Thomas Edison i_______ the light bulb in 1879.
It’s s______ that he invented more than two thousand things during his life.
The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ from today’s. ExercisesidelynventedaidifferentWe learn: 1.Some words: bulb, airplane, hard-wearing,
Korea
2. Some phrases: be used by, more
than, be different from
3. Some sentences:
It’s said that he invented more than two
thousand things during his life.
We can: 1.Use the simple past passive voice:
Do you know when it was invented?
It was invented in 1879.
2.Talk about the inventors of some great inventions.
SummaryRead 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section B in your workbook.
Preview Section C.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 B编写的教学课件， 这是第四单元第一话题的第二课时。本课继续以发明物为话题，在语境中学习相关的单词和短语，并继续被动语态的学习和使用。通过本课的学习，能激发学生更加热爱科学的热情。为更好更有效地实现本课教学目标，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4a，因此对教学设计作如下安排：
Getting students ready for learning:
复习Section A的知识点。(幻灯片2、3 )
给出几组发明物的图片，复习上节课的主要语言点，并为本课做准备。(幻灯片4、5 )
Pre-listening:
给出电灯、汽车、飞机的图片，主要用被动语态来谈论。引入1a。(幻灯片6 )
While-listening:
听1a录音，完成1b。(幻灯片7 )
再听1a录音，完成相应连线任务。(幻灯片8、9 )
阅读1a，完成1c。(幻灯片10)
播放1a动画，进一步理解1a对话内容，注意模仿语音语调。(幻灯片11 )
Post-listening:
学生自主阅读1a，整合对话信息，完成1d。 (幻灯片12 )
完成2。(幻灯片13，14 )
Practice:
呈现3中的图片，听录音，完成3。(幻灯片15 )
播放4a录音，听并跟读。(幻灯片16 )
播放4b录音，注意重读和语音语调。然后两人一组用4a中的单词编写新的对话，完成4b。(幻灯片17 )
巩固练习。(幻灯片18 )
Assigning homework:
① 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19 )
② 设计了书面显性作业及课文朗读、预习新课等隐性作业。(幻灯片20)
