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1、1UnitUnit 5 5 LookLook intointo ScienceScienceLessonLesson 2727 PlantPlant DannyDanny 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 in groups. Most of
2、 them are willing to express their opinions in English.2.2. AnalysisAnalysis ofof TeachingTeaching ContentContentLesson 27 is the third 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 the subject because
3、 it is close to everyone. Lesson 27 mainly talks about learn to do another experiment. 【知识目标】1. To master the words: solar, telescope, certainly, unless, double, mystery, belong to, look through.2. To master the expressions: solar system, at night, even if, look through, come out,be worth +n. be wor
4、th +v-ing.【能力目标】Improve the students ability of speaking, listening, reading and writing. Know more about the foreign occupation.【情感目标】 教学目标教学目标 教材分析教材分析2Know more about the foreign occupation, Keep on trying, and you will succeed.【教学重点】1. Know more about the astronomer.2. To master the adverbial cl
5、auses.【教学难点】To learn the astronomers occupation.Tape recorder, MultimediaStepStep 1.1. Warm-upWarm-upFree talk: Think about it!1. Do you like science? Why or why not?2. Do you know any of the planets in the solar system?StepStep 2.2. PresentationPresentation1. Explain the word planet and the word so
6、lar.2. Elicit the word telescope: How to see the solar system?3. Show the picture of telescope and explain it.4. Show the picture of the text and ask students: What do they do? What do they 课前准备课前准备 教学过程教学过程3see?5. Question: What does the solar system include?6. Explain the question: The earth, the
7、sun and the moon all belong to the solar system. Our solar system is in a galaxy called the Milky Way. Scientist say the universe contains billions of galaxies.7. Explain the new words.8. Listen to the dialogue and tick the correct answers.(1)What did Danny do last night?He tried to study the moon.H
8、e tried to find a new planet.(2)What did Danny use?A telescope.A book.(3)What did Danny need?More sleep.More stars.9. Check the answers.10. Language points:arrive 意为“到达,来到”，为不及物动词,后接表地点的名词时,需使用介词 in 或 at。in用于指较大的地点,at 则指比较具体的小地点。arrive at/in=get to/reach定语从句：含有 that 引导的宾语从句。无论主句是陈述句还是疑问句,宾语从句都应使用陈述语
9、序。含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:4(1)如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态。(2)如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态。(3)如果宾语从句所表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句用什么时态,从句时态都用一般现在时。The usage of through， across and overthough: 表示“穿过、通过”，指从某处或某物中间通过，侧重点是从某空间里面通过。across: 表示“横过、穿过”，指在某一平面或物体上从一边到另一边去。over: 表示“越过”，
10、指从某物的上方越过。unless :“除非，如果不”。unless 引导的条件状语从句常用一般现在时表示将来的意义，主句多用一般将来时。例句：You will fail unless you study hard.如果你不努力学习，就会失败。double作名词或形容词,意为“两倍(的);双重(的)”,也可作动词,意为“使加倍”worth:“相当价值,值得”,用于 be worth +n. /doing 结构。even if:“即使”,用来引导让步状语从句。belong to sb.意为“属于某人”,=be sbsbelong to 不能用于进行时态和被动语态。5billions of:“数十亿
11、计的”StepStep 3.3. PracticePractice1. Listen and follow to the tape.2. Read the lesson and write true or false.( )(1).Danny is studying the solar system at school. ( )(2).Danny is looking through the telescope when Jenny and Brian come to visit. ( )(3). During the day, Danny can see many stars in the
12、sky through the telescope. ( )(4). Jenny and Brian will come back to Dannys house because they want to use the telescope. ( )(5). Danny has discovered a new planet.3. Read the lesson and fill in the blanks.On Saturday afternoon, Brian and Jenny visited Danny at his house. When they arrived, Danny wa
13、s outside looking_ a telescope. Brian and Jenny laughed at Danny because he was using the wrong_ of the telescope. Of course, Danny couldnt see the_ during the day. Brian and Jenny also wanted to join Danny. They decided to come back after supper. After the sun went down, they could see the stars. D
14、anny hoped to_ a new planet. 4. Group work:(1)Practice the dialogue in groups(2)Act it out.StepStep 4.4. ConsolidationConsolidation61. Group work: What interests you about the solar system? If you had a chance to go to space, would you go? Share your ideas with a partner.2. Enjoy some pictures in out space.3. Make a new dialogue with your partner.4. Enjoy a video.Step5Step5 HomeworkHomework1. Listen and read.2. Finish exercises of this lesson.略。