Unit 9 When was it invented
Warming upcarcomputerTV (television)telephonecalculatoralarm clockvacuum cleanerfridgebinocularsbicycleumbrellamicrowave ovenlight bulbabacusflying diskcameratelescopeGroupwork• Talk about the order of these things invented
• Number them (1-5) (1=first, 5=last)
Which one do you think is the oldest
Which one is the newest
Task 1: When was it invented
• When was the telephone invented
It was invented in 1876
• Who was it invented by
It was invented by Alexander Graham Bell
• What was it used for
It was used to talk to people in other towns
Listen and match• When were these things invented
_______ 1876_______ 1885_______ 1927_______ 1971_______ 1976Pairwork• Find out when these things were invented
When was the camera invented
It was invented in 1827
about 4000