【精品】仁爱版九年级上册英语教学案Unit4Topic2SectionC.doc

仁爱版英语精品资料Section CⅠ. Material analysis本课是九年级第四单元第二话题的第三课时主活动是1a1a是承接Section A 和Section B 设计的因为在这两个Section 里总是提到Mars，学生已经对它产生了兴趣宇宙”属于“自然”的一部分而“自然”正是课程标准要求的话题1b属于理解型任务，学生如果能独立完成表格，也就说明他们已经掌握了1a的内容1c看似让学生讨论，其实通过学习1a, 学生都能对所给的问题作出正确的判断2这个任务是为3a和3b 作铺垫学生通过学习本课，可以对火星有大致的了解，也有助于激发学生探索宇宙的好奇心3a和3b 这两个任务关联性很强，3b只有在学生完成了3a之后才能完成，没有3a的信息，3b就不能进行把这两个任务留作家庭作业较好Ⅱ.Teaching aims1. Knowledge aims： 掌握本课的重点词汇和短语，了解火星的相关知识2. Skill aims: 能够通过所获取的文字信息，对火星有所了解，拓展自己的知识面3. Emotional aims: (optional)激发学生探索宇宙的兴趣4. Culture awareness: (optional)Ⅲ. The key points and difficult points1. Key points: Words and phrases: storm, weigh, journey, excitement, generally, limit, be named after sb., as…as…, at a distance of …, It takes…to do sth.Sentences: Its diameter is 53% as wide as that of the earth. You can tell which planet is Mars because it is bright, red in the night sky. The gravity on the surface of Mars is about two-fifths as strong as it is on earth. It takes a spaceship about eight months to reach Mars from the earth ….each other. It has been two days since we landed on Mars. Grammar: passive voice Difficult points： Its diameter is 53% as wide as that of the earth. It has been two days since we landed on Mars.Ⅳ. Learning strategies 通过1a学习预测文章的内容。

通过1b利用图表复述课文Ⅴ. Teaching aids火星、罗马战神Mars、太阳系等的图片/乒乓球/小皮尺/小黑板/ppt等Ⅵ. Teaching procedures Stage(time period)InteractionpatternsTeacher activityStudent activityRemarks1Getting students ready for learning(5mins)Class activityPresent some pictures and objects to learn the new words and phrases: solar system, Roman, god, be named after sb., diameter, gravity.T: What’s this?T: Oh, your geography is quite good. It’s solar system.T: What’s this, then?T: Who is he?T: He is the Roman god of war, Mars. And the planet Mars is named after him.T: Look at me! I will measure the diameter of the ping-pong ball. Oh！Its diameter is 5 centimeters long. Could you tell me what diameter means?T: You got it! (drops the ball ) Oh, my god!T: Do you know why the ball falls to the ground?T: Yes! It’s the gravity that makes it fall to the ground. You know the story of Newton, don’t you?Learn the new words and phrases.Ss: 太阳系。

Ss: 火星Ss: Sorry.Ss:直径Ss:重力Ss:直径Ss: Yes. Ss:重力允许学生用汉语表述新词老师要及时用英语板书并讲解：solar system, Roman, god, be named after sb., diameter, gravity2Pre-reading(2mins)Individual workLet the Ss read the statements in 1a and encourage them to predict which is/are right.T: Now, read the four statements in 1a and predict which of them is or are right. Write down F/T on the left.Read the statements in 1a and predict.把这四点用小黑板或大屏幕呈现更好这样学生就不用打开课本，以保持神秘感学生预测后不要马上判断正误3While-reading(10mins)Individual workIndividual workStep 1:Let the Ss read 1a quickly and check the answers.T: Now, please read 1a quickly to check whether you have predicted correctly. When you finish, raise your hand.T: Hi, class! Who has predicted all the answers correctly?T: No one? Don’t worry. You’ll do better next time.Step 2: Let the Ss read 1a again and do 1b. Check the answers.T: Now, please read 1a again and do 1b. If you finish, put up your hand.T: Have you finished it?T: xxx, what’s the diameter of Mars?T: What color is it, xxx? T: What shape is it, xxx?T: …Read 1a quickly and check the answers.Read 1a again and do 1b.Ss: Yes.S1: It’s 53% as wide as that of the earth.S2: It’s red and orange.S3: It looks like a ball. S4: …4Post-reading(14mins)Group workGroup workStep 1: Let the Ss read 1a again. Discuss in groups to find out the difficult and key points.T: Please read 1a again. Discuss in groups to find out the difficult and key points. When you finish, raise your hand.T: Let’s solve the problems first. Which group has questions?T: Oh, you have got the most important point. Boys and girls, please turn to page 121, you will find it on the right side of the page. T: Are you clear now?T: Any more questions?T: Who can help him?T: Wow, you are really smart. Could you tell us the meaning of “storm” and “weigh”in Line 8 and Line 10.T: Wonderful! Let’s give him a big hand!T: What do you think are the important points?Step 2: Let the Ss discuss in groups the questions in 1c. Choose a member to state the reasons.T: Read the questions in 1c. Discuss in groups and state the reasons. When you finish, raise your hand.T: Now, let’s begin with Question 1. Which group?T: Good! And question 2?…Read 1a again. Discuss in groups to find out the difficult and key points. S1: We don’t understand “Its diameter is 53% as wide as that of the earth”.Ss: Yes.S2: How do we understand the word “tell”in “You can tell which planet is…sky.”S。