Unit 4 Amazing Science Topic 1 When was it invented? Section B 课件（19张PPT）

课件19张PPT。 Unit 4
Amazing ScienceTopic 1
When was it invented?Section Binvent / America / in 1946A: Where were computers invented?
B: They in America.
A: When were they invented?
B: They in 1946.
A: What are they used for?
B: They studying, working and playing.Look and talk about the picture.were inventedwere inventedare used forMP3 player
1998
Korea
listen to musicAsk and answer.A: When was … invented?
B: It was invented in ….
A: Where was it invented?
B: It was invented in ….
A: What is it used for?
B: It is used for ….mobile phone
1973
America
communicate easilydigital camera
1975
America
take photosPlease choose one to talk about. Say the name of the invention quickly
Guessbulb
n.电灯泡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.ACP83 1bListen again and answer.When was a light bulb
invented?
(2) What was invented by
Guglielmo Marconi ?
(3)What did Wilbur and Orville Wright invent? And when did they invent it?It was invented in 1879. The airplane was invented by them in 1903.The radio was invented by him.Read 1a and complete the table.radioairplaneThomas
EdisonWilbur and
Orville Wright18791895[gul?'elm?? mɑ:'k??n? ]['w?lb? '?:v?l ra?t ]P83 1c
The bulb was invented
by Thomas Edison in 1879
It’s said that he invented more
than two thousand things during his life 知识点拨: during one’s life
在某人的一生当中据说……e.g ___________ （据说）more than two
thousand things _____________ （invent）by
him______________ （在他一生中）.
It’s said thatwere inventedduring his lifee.g --The task ____________(finish) by me
last weekend

--Laptops _____ _____ (make) in Japan.
Let’s sum up together:
一般过去时的被动语态(the Simple Past
Passive Voice ) : was/were + donewere madewas finishedDiscuss with your classmates the inventions listed in 1c. Using the Simple Past Passive Voice, and then describe them in front of the class.You may begin like this:
… is widely used by people everywhere.
… was invented in … by … It’s said that... bulb
Thomas Edison
1879radio
Guglielmo Marconi
1895airplane
Wilbur and Orville Wright
1903
A. Karl BenzC. Alexander Graham BellB. John BairdInventionInventorYeara.1926b.1876c.1885Listen to the three passages. Match the pictures with the following information. P84 3A: What are these?
B: …
A: When were they produced first?
B: …
A: What were they made of?
B: …Knowing morejeansFill 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 designedP84 2adj.耐磨的Exercises用所给中文完成下列句子，注意动词的适当形式。
1、在日常生活中，我们都广泛使用手机.
Mobile phones ____ _____ _____ by us in our everyday life.
2、第一条牛仔裤是在1855年生产出来的。
The first jeans _____ ___________ in 1855.
3、Thomas Edison 在他的一生中发明了2000多件东西.
_____ _____ two thousand things _____ _____ _____
Thomas Edison _______ ___ ___.
4、过去的飞机与现在的不一样.
The airplane in the past ___ ________ _____ today’s.
5、据说Wright Brothers 发明了飞机.
_____ _____ the airplane _____ _________ by Wright Brothers. are widely usedwere produced More thanwere invented byduring his lifeis different fromIt’s saidwas inventedSummary电灯泡
飞机
耐磨的
被用来做……
超过
与……不同
在某人的一生当中
bulb
airplane
hard-wearing
be used for doing/to do
more than
be different from…
during one’s lifeWe learn:
Some words and phrases: SummaryWe learn:
Some sentences:
It’s said that he invented more than two
thousand things during his life.
We can: Use the simple past passive voice:
It was invented in 1879.
The jeans were produced in 1855.

1.Read 1a again.
2.Finish Section B in your workbook.
3. Preview Section C. HomeworkThank you