冀教版九年级英语unit5 Lesson25

1、九年级九年级Unit 5experimentjarupsidepourcorrectscientificmethodraincoatforcepressureconcluden. 实验；试验实验；试验n. 广口瓶；罐子广口瓶；罐子n. 上部；上边上部；上边v. 倒出；倾倒倒出；倾倒adj. 正确的；恰当的正确的；恰当的adj. 科学的科学的n. 方法；办法方法；办法n. 雨衣雨衣n. 力量力量 v. 迫使；强迫迫使；强迫n. 压力，压强；挤压压力，压强；挤压v. 得出结论得出结论;断定断定;推断出推断出Words and ExpressionsWhat is science?Science i

2、s the study of everything on our planet and beyond. 4What Is Science?What is science?Can you explain?Please make it easy for my brain.Its about making observations.Why do onions make me cry?Why do clouds go by?What keeps the birds in the sky?Thats just science.Its about matter the universe.Why does

3、a car stay on the road?Why is there green all over a toad?Why cant I carry a heavy load?Thats just science.P67sciencescientistinstrumentlaboratory universedoing experimentphysical phenomenonWhat words are related to science?The Scientific MethodAsk QuestionDo Background ResearchHypothesisTest Theory

4、 with an ExperimentAnalyze Results Draw Conclusion Report Results (Was your theory correct?) What method do you use to test a theory? Can you explain?1. To read and understand the dialogue2. To learn to explain the experiment3. To learn some useful words and expressions: correct, method, force, expe

5、riment, pour, scientific, pressure, conclude, turnupside down, pourout, scientific method, takeoffObjectivesIn which subject do you often do experiments?What kinds of experiments have you done in science class?Have you ever done this experiment? What are Jenny, Brian and Danny doing? If you hold a j

6、ar that is filled with water upside down, what will happen?Look and guess.Jenny, Brian and Danny are doing the experiment. Read carefully to get more detailed information.Answer the questions.P6711. Where does Danny think they should do the experiment?2. What keeps the water in the jar?3. Is Jenny s

7、ure of her theory? How do you know?4. Why does Danny put on his raincoat?5. What does Danny conclude?1. Danny thinks that they should do the experiment outside.2. The force of the air./The air pressure.3. Yes, she is. She is so sure of her theory that Brian can do the experiment overDannys head and

8、he wont get wet.4. Because he thinks he will get wet.5. Air is stronger than he thought.2251346Read the experiment. Put the sentences in the correct order.P67Read and try to recite the conversations in 5-10 minutes.1. Role play the conversation in groups;2. Role play the conversation in front of the

9、 class3(Work in groups of three and record the process using the scientific method.)Task tips: What happens when you use less water, more water, wet cardboard, or different kinds and sizes of jars?Try to do the experiment in this lesson yourself.The Scientific Method WorksheetQuestion: What is the p

10、roblem you want to explore? Ask a clear, specific and testable question._Theory: Make a prediction or your best guess about the solution to or result of your question._Procedure: Plan the materials you will need and the steps you will take to test your theory.Materials: (list)Steps: _ 2. _ 3._ 4._ R

11、esults/ Conclusions: Record the results of your experiment. Was your theory correct?1._turnupside downpouroutscientific methodtake off把把翻转；倒过来翻转；倒过来涌出；倾诉涌出；倾诉科学方法科学方法把把拿开拿开Translate the Chinese into English.1. Then I turn the jar upside down and take my hand off the cardboard.然后，我把瓶子倒置，手离开纸片。然后，我把瓶子

12、倒置，手离开纸片。upside down 颠倒着，倒转着；乱七八糟颠倒着，倒转着；乱七八糟The canoe floated upside down on the lake.独木舟底朝天漂浮在湖面上。独木舟底朝天漂浮在湖面上。The children turned the house upside down.孩子们把屋里弄得乱七八糟。孩子们把屋里弄得乱七八糟。2. You think the water will pour out, Danny. 丹尼，你认为水会洒出来。丹尼，你认为水会洒出来。pour在本句中的意思是在本句中的意思是“涌流涌流”。它还。它还有有“倒；下倾盆大雨；倾诉倒；下倾盆

13、大雨；倾诉”的意思。的意思。She poured the rice carefully into the pot.她小心翼翼地把大米倒入罐子里。她小心翼翼地把大米倒入罐子里。The rain has been pouring all day.倾盆大雨下了一整天了。倾盆大雨下了一整天了。You can pour your troubles to a close friend.你可以向亲密朋友倾诉烦心事。你可以向亲密朋友倾诉烦心事。3. So what have we discovered?那么，我们发现了什么？那么，我们发现了什么？so在本句中用作副词，表示惊讶的语气。在本句中用作副词，表示惊讶

14、的语气。So you dont like it. 这么说，你不喜欢它。这么说，你不喜欢它。So you have difficulty in learning math.看来你学数学有困难。看来你学数学有困难。注：另附注：另附word文文档，点此链接档，点此链接I. 根据汉语或首字母提示，完成下列句子。根据汉语或首字母提示，完成下列句子。1. It is the best _ (方法方法) of working out the math problem.2. Have you heard of the _ (理论）理论）before?3. My daughter likes _ (科学科学)

15、more than English.4. Your answer is wrong, and we can do an experiment to p_ it.5. Dont turn the bottle u_ down. Its too dangerous.psidemethodtheorysciencerove1. He locked the door _ (careful) before he left.2. Lets _ (finish) the work together now.3. Can you guess what _ (happen) in 100 years?4. Wh

16、ats another way of _ (say) “autumn”?sayingII. 用所给单词的适当形式填空。用所给单词的适当形式填空。carefullyfinishwill happen1. 我确信你是一个诚实的人。我确信你是一个诚实的人。I _ _ that you are an honest man.2. 请用一块玻璃盖上那个杯子。请用一块玻璃盖上那个杯子。Please _ the cup _ a piece of glass.3. 小心，否则你会弄湿的。小心，否则你会弄湿的。Be careful, or youll _ _.4. 把箱子倒过来，你会找到标签的。把箱子倒过来，你会找到标签的。_ the box _ _, then youll find the label.III. 根据所给汉语意思翻译下列句子。根据所给汉语意思翻译下列句子。am surecover withget wetTurn upside down本课重点回顾本课重点回顾 Then I turn the jar upside down and take my hand off the cardboard