Unit 9 When was it invented?Section A (1a-1c)A computer is an invention. Edison invented the light bulb invention n. 发明物inventor n. 发明家invent v. 发明Edisonlight bulbThe light bulb was invented by Edison .1879年 They’re all inventions.They were invented by inventors.A trainA carA planeA shipA bicyclecalculator 计算器carTVtelephoneinventionscomputerA: I think the calculator was invented before the computer.B: Well, I think the calculator was invented after the computer.Which was invented first, the calculator or the computer?1bListen and match the inventions Listen and match the inventions with the dates.with the dates.abedc18761885192719711976dabecThe TV was invented in 1927.The TV was invented in 1927.A: When was the _______ invented?B: I think it was invented in ______.A: When was the _______ invented?B: I think it was invented in ______.Pairwork (1c:P68)Pairwork (1c:P68)19761885187619271971A gamei n v e n tio n sice creamnetworkvacuum cleaner elevatorice creamteaovenice creamsubwayice creamWho was the car invented?Karl BenzThe car was invented by Karl Benz.1885When was it invented ?It was invented in 1885.1971BellBellA: Who was the telephone invented by?B: It was invented by___.A: When was it invented ?B: I think it was invented in __. What is/are … used for? It’s/They’re … used for…A: What is the _______ used for?B: It is used for ___________.A: What is the _______ used for?B: It is used for ___________.talking with people(talk with people)A: What is the _______ used for?B: It is used for ___________.A: What is the _______ used for?B: It is used for ___________.(study)studyingA: What is the _______ used for?B: It is used for ___________.A: What is the _______ used for?B: It is used for ___________.(count)countingWhat are they used for?They are used for giving light.light bulbslight bulbsWhat is it called? It is called a light bulb.What is it called? It is called a light bulb.When was the light bulb invented? It was invented in 1879.When was the light bulb invented? It was invented in 1879.Who was it invented by?It was invented by Edison.Who was it invented by?It was invented by Edison.1879 What is it used for? It is used for giving light.1817 Delaisse Karl Benz 18851885Wright brothers1903 trainCameraJoseph 1827The four great inventions in China • When was it invented?• Who was it invented by?• What was it used for?gunpowderpapermakingcompassprintingThank you for listening!
