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

Unit 5 Lesson 30 computers smart phones 导入新知 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 Review Have you ever done any interesting experiments? Can you describe one of them? put ...in put ...onto fill...with light let...burn put...over examine use up be made up of Review Read the first e-mail carefully and answer the questions. 1. Who wrote the e-mails? 2. What’s the subject of this e-mail? 3. Where did Danny, Jenny and Brian do the experiment? 4. What does this experiment prove(证明)? Jenny. It is about an experiment. In science class 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 Reading tasks 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 合作探究 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 developments. I always wonder what life would be like without computers or mobile phones. Scientific discoveries are making our lives better and better. This week we had some science lessons,too. I enjoyed lea