
Unit 4 Amazing Science Topic 2Section C(教学设计) Ⅰ. Material analysis 本课主活动是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 aims 1. 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 points 1. 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) Interactionpatterns Teacher activity Student activity Remarks 1 Getting students ready for learning(5mins) Class activity Present 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, gravity。 2 Pre-reading(2mins) Individual work Let 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. Re ... ...
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