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课件网) Unit 5 Look into Science Lesson 25 学习目标 01 02 03 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. Listen and sing along. What Is Science What is science Can you explain Please make it easy for my brain. It’s about making observations. Why do onions make me cry Why do clouds go by What keeps the birds in the sky That’s just science. It’s about matter—the universe. Why does a car stay on the road Why is there green all over a toad Why can’t I carry a heavy load That’s just science. 新课讲授 Do you like science Do you like doing experiments Why What kinds of experiments have you done in science class experiment [ k sper m nt] experiment n. jar n. upside n. pour v. correct adj. scientific adj. 实验; 试验 广口瓶; 罐子 上部; 上边 倒出; 倾倒 正确的; 恰当的 科学的 Presentation method n. raincoat n. force n. v. pressure n. conclude v. 方法；办法 雨衣 力量 迫使；强迫 压力；压强；挤压 得出结论；推断出 upside pressure experiment raincoat correct jar scientific force Play a game: read the words you see as fast and loudly as you can. conclude pour method Practice 1. What’s Danny’s theory 2. What’s Jenny’s theory 3. Whose theory is correct Danny thinks the floor will get wet. Jenny thinks the water will stay in the jar. Listen to the text and answer the questions: Jenny’s theory is correct. Reading task Danny, Jenny and Brian are in the _____, they are going to do _____ experiment. Fist, Brian fills a jar _____ some water and covers the top with a piece of cardboard, then he turns the jar upside down and takes his hand _____ the cardboard. Jenny is so sure of her _____that she wants to do the experiment _____ Danny’s head. Guess what, the force of the _____ helps the cardboard hold the _____ in the jar. an off with lab theory over air water Read to the text, then fill in the blanks. Retell the experiment in the dialogue according to the following questions. A jar, some water, a piece of cardboard. 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. 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. What do we need What will you do What will happen 1．Where does Danny think they should do the experiment 2．What keeps the water in the jar 3．Is Jenny sure of her theory？How do you know 4．Why does Danny put on his raincoat 5．What does Danny conclude The force of air. Outside. Yes, she is. She asks Brian to do the experiment over Danny’s head and she knows he won’t get wet. Read the lesson and answer the questions. He is afraid that he will get wet. He concludes that air is stronger than he thought. Let’s do it! 1 □Put a piece of cardboard over the jar. □The jar of water is upside ... ...
