Unit6 When was it invented? Section A 1a-2d课件2024-2025学年人教版英语九年级全册

Unit6 When was it invented? Section A 1a-2d unit topic：the history of inventions Four Great Inventions Do you know the Four Great Inventions in China? compass printing gun powder paper making Look at the things below. In what order do you think they were invented? Discuss them with your group. 1a In the world, there are some great inventions . I think the TV was invented before the car. Well, I think the TV was invented after the car. I think the telephone was invented before the computer. Well, I agree with you. I think … was invented before / after ... Well, I … ______ 1876 ______ 1885 ______1927 ______1971 Listen and match the inventions with the years. 1b P41 check your inference. ______ 1876 ______ 1885 ______1927 ______1971 eighteen seventy-six eighteen eighty-five nineteen twenty-seven nineteen seventy-one Before listening, do you know how to read these numbers ? ______ 1876 ______ 1885 ______1927 ______1971 Match the inventions with the years. d a c b Let's make sentences. 1b The... was invented in... fridge / 1862 washing machine/1858 airplane/1903 A:When was the...invented? B: I think it was invented in... light bulb / 1879 Guessing:What are they used for? 2a Listen and number the inventions [1-3] in order you hear them. 1 3 2 2a Invention What is it/are they used for? shoes with special heels _________ the style of the shoes shoes with lights seeing _____________ hot ice-cream scoop ________ really cold ice-cream changing in the dark serving Listen again and complete the chart. 2b A：What are...used for? B: They're used for... Zipper trousers shoes bags suitcases 1. Who was the zipper invented by? 2. When was the zipper invented? 3. What is the zipper used for? Watch and Answer 1. Who was the zipper invented by? 2. When was the zipper invented? 3. What is the zipper used for? Whitcomb Judson In 1893 Making fastening easier. The zipper is a small but great __________. It was ________ ______ Whitcomb Judson. It was _________ ___ 1893 and became popular in _______ 1917. Now it is ________ ________ in our daily lives. For example, we use them _______ dresses, trousers, shoes, bags and so on. Small inventions that changed the world invention invented by invented in around used widely on Let's think 1. What's the small invention talked about in the dialogue? 2. What's the great invention? shared bikes high-speed railways Online shopping electronic payment Do you know new Four Great Inventions in China? 1964 2010 1999 2014 We Chinese have had many great inventions throughout the history. Be proud of China. Group Work Invention Inventor Time Usage (用途) light bulb Edison 1830 light camera a Frenchman 1837 take pictures bike an Englishman 1839 ride basketball James Naismith 1861 play telephone Bell 1876 make phone calls plane the Wright brothers 1903 travel computer an American 1976 get information the iphone Jobs 2007 talk with people Lavf57.71.100 Packed by Bilibili XCoder v2.0.2 $$