Unit 4 Amazing Science>Topic 1 When was it invented? SectionB课件（54张）

课件54张PPT。 Unit 4 Amazing Science
Topic 1 When was it invented?
Section B
Review:
Play a game:
Use “be made of/from…”
“be used for doing…”
Play a game:
“be made of/from…”
“be used for doing…”
papersweaterwatchchopsticks?lockcameraReview:be made of/from…
be used for doing2050What amazing inventions !What will our life be like in the future because of the inventions?
Our life will be _________and
_______ ________.
easier more colorfulthe 19th and 20th centuriesfridgeA guessing game:Guess inventions!batteryrobotspaceshipguncandleHow does the candle change our life?darknesspalacea common roombrightbrighterbrighterThe light bulb is a very important invention
because it can make our world .light bulb[b?lb]brightHe is a great inventor.Thomas Edison.How much do you know about him?
Who invented the light bulb?He invented more than two thousand things.How many things did he invent during his life?His quote（名言）:天才就是1％的灵感加上99％的汗水。
—— 爱迪生
Genius?is?1%?inspiration?and?99%?perspiration.

We can learn hard work and persistence from the great inventor.坚持It’s said that he failed more than 8000 times before the light bulb was invented.What can we learn from Thomas Edison?杨贵妃皇上，我要吃荔枝荔枝来啦In ancient times…一骑红尘妃子笑无人知是荔枝来杨贵妃皇上，我要去迪士尼走起！Nowadays…airplaneThe airplane is a very important invention
because it helps us get to some place .quickly--Who invented the airplane?
--Wilbur and Orville Wright.
[?wilb?] ['?:v?l] [ra?t]the first airplane The first airplane is quite different from today’s. Where did people listen to the opera in the old days ?In the theater or in the open air. How did people listen to the opera at home in the 1950s?They listened to the opera on the radio.The radio is a very important invention..--Who invented the radio?
--Guglielmo Marconi.
[mɑ:'k?uni]the first radio The three inventions have changed our life greatly.Watch a video .When were the 3 inventions invented?Fill in the blanks.radioairplaneThomas
EdisonWilbur and
Orville Wright187918951903 Guglielmo
MarconiRead aloud together. 据说……在他一生中Role Play:Read 1a aloud!Let's learn more inventionsthe first car The first car is quite different from today’s. the first television The first television is quite different from today’s. the first telephone The first telephone is quite different from today’s. A. Karl BenzC. Alexander Graham BellB. John BairdInventionInventorYeara.1926b.1876c.18853 Listen to the three passages. Match the pictures with the following information. jeansInventions in DressingWhere were the jeans produced?
Who were the jeans designed for?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 designed耐磨的，adj.hard-working,勤劳的 Passive Voice（被动态）
★ structure（结构）:
Simple Present Passive Voice ：一般现在时被动态___________+______
Simple Past Passive Voice ：一般过去时被动态
__________+______
am/is/aredonewas/weredoneInventions in the 19th and 20th centuriesNg Interesting inventions
in
the 21st centuriesShow time:With the development of
science and technologhy, more
and more inventions have
appeared and they
have changed our life
greatly!
easyeasyeasynormalnormalnormalhardhardhardhardhard--Who invented the light bulb? When?
--The light bulb ___________
________________________
was invented
by Thomas Edison in 1879.(1 flag)You are a lucky dog. One flag .罗晨朔上周在游乐园怎么了？
His cellphone by someone.(1 flag)was stolenoften ,beat, beat, yesterday Big Big Wolf often
by Red Wolf.Big Big Wolf
____ _________
by Red Wolf yesterday.(2 flags)Big Big WolfRed WolfBig Big Wolfis beaten was beaten You are a lucky dog. Two flags .看图写话：break, by Xiaobao, yesterdaypunish, by, againThe bowl ___ ___ ___
Xiaobao yesterday.Xiaobao ____ ____ _____
Miss Lin again.(2 flags)was broken bywas punished byTranslation:
1.___ ___ ___ ____ (据说）he invented more than 2000 inventions _____ _____ _____ . (在他一生中）
2.My keys (hide) by Xiaobao just now.
(3 flags)It is said thatduring his lifewere hiddenTranslation.
1.我刚才被邀请去林老师的办公室了。
I Miss Lin's office.
2. 我被林老师表扬了。 （虚惊一场）
I Miss Lin.
3. 我被要求期末考要考第一名。
I win first place in the final exam.(3 flags)was required towas praised by was invited to1.The cheese
the mouse.2.The cat
the dog.was eaten bywas run after by(3 flags)3.The mouse
(catch) the cat.was caught byWe learn: 1.Some words: bulb, airplane,
hard- wearing
2. Some phrases: It's said that...,
during one's life.
We can: 1.Use the simple past passive voice:
2.Talk about the inventors of some
great inventions.
We should learn the hard work and
persistence from them. SummaryRead 1a.
Finish Section B in your workbook.
Search the Internet for your favorite invention, then write a report.AssignmentTHANKS