Unit 6 When was it invented SectionA 2a-2d 课件 2025-2026学年人教版（2012）英语九年级全册

Unit 6 When was it invented? Section A (2a-2d) 知识与技能：学生需要掌握对发明者和发明用途提问的句型及回答。It was by … .What is it used for? It is used for … . 学习策略：观察表格及图片，推测答案。 文化意识：小发明改变世界。 情感态度：乐于关注身边事，擅于从生活细节中捕捉小发明的可能性。 Teaching Goals （教学目标） 2a：学生听对话谈论三项小发明，并按所听顺序为其排序。 听前预测→听力输入→语言输出 2b：学生能够听懂发明的用途，补全表格。 2c：学生结伴谈论听力中小发明的用途。 各环节之间的联系： Teaching Contents （教学分析） 2d：示范性对话，介绍了日常生活中随处可见的小发明——拉链，它的发明者、发明时间以及开始被广泛运用的时期等信息。 Pre-listening heel Are they special? Which part is special? electricity What are they talking about? What do you think of them? Listen and number the inventions[1-3]in the order your hear them.. 3 1 2 Firstly, I heard... Secondly, I heard... Lastly, I heard... (the shoes with lights) (scoop, runs on electricity) (the shoes with special heels) 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 Listen again and complete the chart below. 2b V-ing n. V-ing change… things, lights… pick up, scoop up… 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 in the dark serving Listen again and complete the chart below. changing 2b It is used for … high-heeled shoes low-heeled shoes flat-heeled shoes slippers serve = pick up and pass it to the customers Make conversations using the information in 2b. 2c A: Look at… Who was it/ were they invented by? B: It was/ They were invented by … A: What is/were … used for? B: It is/ They are used for … A: Do you like it/ them? What do you think of…? B: I think… P139 Why are these inventions interesting? When will we need these interesting inventions? What do these interesting inventions bring to our life? Interesting inventions make our life _________. ? 9 Listen and answer the questions. Which invention did Roy mention? Is it a great invention? Why? The zipper. Yes, it is. Because it’s used widely in our daily lives. It can be seen on dresses, trousers, shoes, bags ... almost everywhere. 2d 10 Listen again and find more details. What’s the subject for Paul’s school project? When was the zipper invented? Was it used widely at first? When did it become popular? Small inventions that changed the world. In 1893. No, it wasn’t. Around 1917. 2d 11 It is used … It was invented by … The inventor is … It was invented in … 2d While-listening 1. Why do they talk about zipper? 2. Was Roy happy to help Paul? 3. Did Paul agree with Roy finally? 4. What made Roy think of the zipper? reasonable Post-listening Talk about some other inventions that changed the world. inventions who when what … for plastic Baekeland 1907 making cups, shopping bag, ect. glasses Beacon 1289 Seeing things clearly for someone who is shortsighted A: Hey, the subject for my school project is “small inventions that changed the world”. Can you help me … B: With pleasure! I think it’s … A: …? Is it really such a great invention? B: Think about how often it’s used in your daily lives. It is used… It was invented by… A:Well, you do seem to have a point. When was …? B: It was invented in … 1.. 单词P42-43:三遍英文，一遍中文 2. 听读Section A 2d 3. 写一篇介绍zipper的小短文 Homework 63450.117 67760.43 null 73056.0 ÇúÄ¿ 13 δ֪ÒÕÊõ¼Ò δ֪³ªÆ¬¼¯ (2021/9/6 11:40:12), track 13 δ֪Á÷ÅÉ 70477.43 $