2019九年级英语上册 Unit 5 Look into Science Lesson 25 Let’s Do an Experiment教案.doc

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1、1UnitUnit 5 5 LookLook intointo ScienceScienceLessonLesson 2525 LetsLets DoDo anan ExperimentExperiment 1.1. AnalysisAnalysis ofof thethe StudentsStudents The students of Grade 9 have mastered certain vocabularies，expressions and structures. They also have the abilities of self-teaching and working

2、in groups. Most of them are willing to express their opinions in English.2.2. AnalysisAnalysis ofof TeachingTeaching ContentContentLesson 25 is the first lesson in Unit 5, Book 5.This unit focus on the subject Look into Science, also teach the students something about science. Students cares about t

3、he subject because it is close to everyone. Lesson 25 mainly talks about the progress of the experiment, as well as teach the students how to do the experiments. 【知识目标】1. To master the words: science, experiment, fill, prove, scientific, method.2. To master the expressions: do an experiment, fillwit

4、h, coverwith, turnupside down, be (not) sure【能力目标】Improve the students ability of speaking, listening, reading and writing. Do and express the experiment.【情感目标】Students can enjoy the pleasure of literature. 教学目标教学目标 教材分析教材分析2【教学重点】The usage of prefer.【教学难点】Teach students love science.Tape recorder,

5、MultimediaStepStep 1.1. Warm-upWarm-upFree talk: (1) Do you like science?(2) What kinds of experiments have you done in science class? (3) If you hold a jar that is filled with water upside down, what will happen?StepStep 2.2. PresentationPresentation1. Explain “upside down”.Teacher show the picture

6、 about upside down.2. Explain the new words with the pictures.3. Listen to the tape and answer the questions:(1) What will Brain do?(2) Why does Danny say they should do this experiment outside? 课前准备课前准备 教学过程教学过程34. Check the answers.5. Language points.I think:“我认为”， 其后可接 that 引导的宾语从句。在使用时要注意，否定主句,反

7、问从句。get wet 意为“变湿”。后接形容词作表语。pour out：“倒出，使流出，涌出”。 pourinto：“把倒进”。be sure of：“确信；对有把握”put on：“穿上”，为“动词+副词”构成的短语。 “It is+形容词+enough to do sth.”“做某事是足够的”。=tooto=sothat。conclude from 意为“从推断，从中得出”。find, find out, discover, invent(1)find 意为“找到，发现”，强调“找”的结果，也可指偶然发现、碰到，其后可接名词、复合结构或 that 从句。(2)find out 指“弄清楚

8、，查明”。着重表示通过调查、分析、思考等得出结果。(3)discover 意为“发现”，指发现已存在但不为人所知的事物。(4)invent 意为“发明”，指发明原来不存在的东西。StepStep 3.3. PracticePractice1. Listen and follow to the tape.42. Read the dialogue with the following questions.(1) Why does Danny say they should do this experiment outside?(2) What will Brian do?(3) Does Dan

9、ny have the same theory as Brians? 3. Check the answers.4. Read the lesson and answer the questions.(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 con

10、clude?5. Check the answers.6. Read the experiment. Put the sentence in the correct order on page 67.7. Check the answers.StepStep 4.4. ConsolidationConsolidation1. Group work: Try to do the experiment in this lesson yourself.What happens when you use less water, more water, wet cardboard, or different kinds and sizes of jars?2. Report your experiment and retell the process.3. Summary the experiment. How to do an experiment.4. Listen and sing a song, What is science.5Step5Step5 HomeworkHomework1. Listen and read.2. Finish exercises of this lesson.略。