仁爱版九年级英语上册Unit4 Topic 2 Section C教案
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1、U4T2SC1Section C. 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 1a。1a 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
2、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。.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)九年级上册教学案例设计2. The key points and difficult
3、points1. Key points: Words and phrases: storm, weigh, journey, excitement, generally, limit, be named after sb., asas, at a distance of , It takesto 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 gr
4、avity 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 voiceDifficult points: Its diameter is 53% as wide as that of the earth. It has
5、been two days since we landed on Mars. 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。. 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。U4T2SC3. Teaching procedures Stage(time period)InteractionpatternsTeacher activity Student activity Remarks1Getting students ready for learning(5mins)Class
6、 activityPresent some pictures and objects to learn the new words and phrases: solar system, Roman, god, be named after sb., diameter, gravity.T: Whats this?T: Oh, your geography is quite good. Its solar system.T: Whats this, then?T: Who is he?T: He is the Roman god of war, Mars. And the planet Mars
7、 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 Learn the new words and phrases.Ss: 太阳系。Ss: 火星。Ss: Sorry.Ss:直径。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,
8、gravity。九年级上册教学案例设计4diameter means?T: You got it! (drops the ball ) Oh, my god!T: Do you know why the ball falls to the ground?T: Yes! Its the gravity that makes it fall to the ground. You know the story of Newton, dont you?Ss:直径。Ss: Yes. Ss:重力。2Pre-reading(2mins)Individual workLet the Ss read the s
9、tatements 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 workS
10、tep 1:Let the Ss read 1a quickly and check the answers.T: Now, please read 1a quickly to check Read 1a quickly and check the answers.U4T2SC5Individual workwhether you have predicted correctly. When you finish, raise your hand.T: Hi, class! Who has predicted all the answers correctly?T: No one? Dont
11、worry. Youll 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, whats the diameter of Mars?T: What color is it, xxx? T: What shape is it, xxx?T: Read 1a again and do
12、 1b.Ss: Yes.S1: Its 53% as wide as that of the earth.S2: Its red and orange.S3: It looks like a ball. S4: 九年级上册教学案例设计64Post-reading(14mins)Group work Step 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 th
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