Unit 5 Lesson 30 教案 2023-2024学年冀教版英语九年级全册

Unit 5 Lesson 30 教学目标 1.掌握单词:suggest, development, mobile phone, discovery 2.接触单词:affect 3.短语:turn...over, push up, push down, in place 核心素养 实践创新 1.劳动意识：掌握本课所学的单词和英语表达; 2.技术运用：能描述科技的发展对我们日常生活的影响。 教学重点 能用英语描述实验过程: 教学难点 努力学习科学知识，让科学造福人类。 教学过程 一、导入新知 computers smart phones Review Have you ever done any interesting experiments? Can you describe one of them? fill...with cover...with turn ...upside down take off pour out stay push ...onto put ...in put ...onto fill...with light let...burn put...over examine use up be made up of Reading tasks Read the first e-mail carefully and answer the questions. 1. Who wrote the e-mails? Jenny. 2. What’s the subject of this e-mail? It is about an experiment. 3. Where did Danny, Jenny and Brian do the experiment? In science class 4. What does this experiment prove(证明)? The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. that 用来替代“the+前述名词”,以避免重复 二、合作探究 THINK ABOUT IT Have you ever done any interesting experiments? Can you describe one of them? What would life be like without computers or mobile phones? ① Hi Wang Mei，How are you？Everyone here is fine.Do you want to surprise your friends? ② Brian，Danny and I did an experiment in science class this week. I suggest you try it，too！ ③ First，get a jar full of water and a piece of cardboard. Cover the jar with the cardboard and turn the jar over. Next，take your hand off. Can you guess what happens? The cardboard holds the water in the jar! The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar. The higher air pressure outside the jar holds the cardboard in place. ④ Science is interesting. Don’t you think so? Jenny Dear Jenny， I’m very well. Thanks! The experiment you did sounds interesting. Yes，science is interesting，and it affects our everyday lives. ⑤ Our lives would surely be very different without scientific developmen