Unit 5 Lesson 4（课件）2025-2026学年冀教版（2012）英语九年级全册

Unit 5 Look into Science Lesson 25 98 学习目标 To understand the meaning and usage of the new words and expressions. To understand the dialogue and describe the experiment. To learn the scientific method and enjoy science. 新课讲授 Listen and sing along. What Is Science? What is science? SCIENCI Can you explain? Please make it easy for my brain. It's about making observations. It's about matter-the universe. Why do onions make me cry? Why does a car stay on the road? Why do clouds go by? Why is there green all over a toad? What keeps the birds in the sky? Why can't I carry a heavy load? That's just science. That's just science. Do you like science? Do you like doing experiments?Why? What kinds of experiments have you done in science class? experiment [Ik'speriment] 0.0n Presentation New words experiment n. 实验；试验 jar n. 广口瓶；罐子 upside n. 上部；上边 pour V. 倒出：倾倒 correct adj. 正确的；恰当的 scientific adj. 科学的 New words method n. 方法；办法 raincoat n. 雨衣 force n. 力量 V. 迫使；强迫 pressure n. 压力；压强；挤压 conclude V. 得出结论；推断出 Practice Play a game:read the words you see as fast and loudly as you can. scientific pour jar correct method force pressure upside conclude raincoat experiment Reading task Listen to the text and answer the questions: 1.What's Danny's theory? Danny thinks the floor will get wet. 2.What's Jenny's theory? Jenny thinks the water will stay in the jar. 3.Whose theory is correct? Jenny's theory is correct. Read to the text,then fill in the blanks. Danny,Jenny and Brian are in the lab,they are going to den experiment.Fist,Brian fillwitjar some water and covers the top with a piece of cardboard,then he turns the jar upside dowffand takes his hand the cardboardenny is so sure of her that she worifts to do the experiment Danny's headiGuess what,the force of the wateelps the cardboard hold the in the jar. Retell the experiment in the dialogue according to the following questions. What do we need?A jar,some water,a piece of cardboard. What will you do?1.Fill the jar with water. 2.Cover the top with a piece of cardboard. 3.Turn the jar upside down. 4.Take your hand off the cardboard. What will happen?1.The water will pour out,the floor will get wet. 2.The water will stay in the jar,the force of the air will keep the water in the jar.