Unit 9 When was it invented? Section A

课件21张PPT。Welcome to my classUnit 9
When was it invented? T: What’s this called in English？S: It’s called a TV.T: Is it an invention?S: Yes, it is.T: When was the TV invented?S: It was invented in 1927.Ask and answerWhat are these?
When were they invented?TelephoneHand-held calculator18761971What is this?
When was the car invented?It was invented in 1885.carWhat are these?
When were they invented?computersTVs19761927 35241Compare the inventions and number the pictures①TV computer
②calculator computer
③TV calculator
④TV telephone
⑤car telephoneAA . before B. afterAABBModel: The TV was invented before the computer .A: I think the telephone was
invented before the car.
B: Well, I think the telephone
was invented after the car.GROUPWORKcar (Karl Benz) TV(John Baid)calculator(Pascal)computer (Cray)telephone(Bell)The car was invented by Karl Benz.The calculator was invented by Pascal.The TV was invented
by John Baid. The computer was invented
by Cray.The telephone was invented
by Bell.______ 1876
______ 1885
______ 1927
______ 1971
______ 1976abecdWhat are these?
When was it/ were they invented?carcomputerTVhand-held calculatorstelephoneT: When was it invented?
S: It was invented in 1883.
T: What is it used for?
S: It’s used for seeing in the dark.T: What’s this called in English？S: It’s called a telephone.T: When was the telephone invented?S: It was invented in 1876.T: What is it used for?
S: It is used for talking with each other.What are they?
battery-operated slippersWhat are they used for?seeing in the darkWho were they invented by?
Julie ThompsonWhat are they?
Shoes with adjustable heelsWhat are they used for?Changing the style of the shoesWho were they invented by?
Jayce Coziar and Jamie EllsworthWhat is this?heated ice cream scoopWhat is it used for?scooping really cold ice creamWho was it invented by?Chelsea LanmonListen and number the inventions in the order that you hear them .123Match the inventions with their inventors and uses.Oral practicelight bulbWho were they invented by? when were they invented? What are they used for? 21345678Discuss your opinion about all of the inventions,what do you think is the most helpful invention? Imagine that you are alone on a tiny island.choose five inventions you would like to have on the island with you .Tell the group of four what you chose and why. Discuss Consolidation Write down your opinions
on your Ex.book.Goodbye