高中英语《Astronomythescienceofthestars》优质课教案、教学设计

1、教学设计Book 3Unit 4. Astronomy: the science of the starsReading： How life began on the earth一、教学内容分析本单元从天文学知识开始，再到地球生命的起源，让学生了解相关的天文知识、培养学生 对科学的兴趣的同时，反思人类活动对地球的影响，进而增强保护地球的意识。本课时设计将 Warming up , Pre-reading, While-Reading 和 Post-Reading 四部分结合，整合成一个完整的阅读课教学。'''二、教学目标1 .语言知识(Knowledge)词?匚(Voc

2、abulary):atmosphere, violent-violence,solid, explode, oxygen, surface, planet, harmful harm,development develop, spread, method, presence, telescope, disappointed, force, gradually,float, mass,短语(Phrases and expressions)：the solar system, in time, carbon dioxide, preventfrom, depend on, cheer up, no

3、w that, breakout,2 .语言技能(Skills)本课时通过教学主要让学生获取关于astronomy的相关信息，且进行阅读技能训练。3学习策略(Strategy)：学生能在一定程度上形成合作学习、自主学习 4 .情感态度(Affect):让学生了解生命的起源，增强其保护地球的意识。培养学生正确的阅读观，和良好的阅读习惯，加强其自主阅读的能力。培养学生合作和共享的学习态度。三、教学重点及难点本单元文章中专业名词较多，对学生是难点之一。同时又是典型的科技文类型阅读，此类 文体是高一学生阅读的难点所在。在教学中如何引导学生分析科技类阅读文章的特点，理 清文章脉络。四.教学过程教师活动学

4、生活动设计意图Step 1:Warming Up / Pre - readingGo over many subjects. Such as English,Chinese,maths.etc.Explain the meaning of “Astronomy Astronomy is the scientific study of the universe and the heaven bodies (such as the sun, the moon, and stars), gas, and dust within it.2. Show students the picture of t

5、he Solar System and talk about the planets.观看：PPT所呈现的Astronomy 定义(词”汇知识)；太阳系各星球；宇宙和生命起源的各 种说法(传说)的介 绍每一组一学生拿着 所学过各科书，其 他学生回答，这个 活动学生更直观感 受各个学科，而/、 是逻辑记忆 English-英语。为了确保阅读教学 的时间，Warming3. Stories from different religions and cultures about the beginning of the universe.Up部分较为简洁， 但同时又要能为学 生进入接卜来的阅 读做好

6、铺垫。Step 2.While ReadingFast reading: Read the passage quickly Read the title and look at the pictures.Predict what the reading , try to guess: What' s the main idea of the text?Fast reading: Read the passage quickly ,find the main idea of each paragraph. What is the topic of this passage? (Main

7、idea)Detailed reading:A. Put the order of development of lifeinto a timeline. Use the reading passage to help you.() 1 Insects and amphibiansappeared.()2 Dinosaurs appeared.()3 The earth became a solid ball.()4 Small plants grew on the water.()5 Reptiles appeared.() 6 Plants began to grow on dry lan

8、d.()7 The earth was a cloud of dust.()8 Water appeared on the earth.()9 Shellfish and other fish appeared.()10 The universe began with a Bang”.()11 Clever animals with hands and feet appeared.()12 Mammals appeared.B.Think about what you have read and discuss these questions in pairs.1. What was the

9、earth different from other planets?辨别文本体裁科技说 明文，及其写作特点 尤箕是主题句的位置，快速阅读掌握全文的Main idea;快速阅读初步了解文 章结构学生细读各文段，回,嗡PPT所呈现的问题通过快速阅读培养 学生阅读微技能 (skimming,scanning)PPT中呈现相关的 专业词汇，比如： Dinosaurs,amphibian, reptile, mammal等， 扫清 词汇障碍，有效地 促进学生对文段的 理解。使学生更好地理解 了课文，清晰了解 课文脉络，同时掌 握此类文章的写作 技巧(按时间顺序 发展)。2 .why did the p

10、lants grow before the animals came?3 .why is wrong to show films with dinosaurs and people together?.提高他们合作学Activity小组探究4.There used to be nine planets in the习的能力。solar system .Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet

11、?5.What problem is caused by human beings?C.长句、疑难分析What it was to become was uncertain until between 4.5 and 3.8 billion yearsago when the dust settled into a solid globe.体会英汉翻译异同5扫除阅读的障碍为本单元学习主 语从句做个铺垫。Step 3.检查学生对文章记Post-readingA True (T) or False (F)1 .The earth appeared before the BigBang happen

12、ed2 .The atmosphere was made up of忆情况。nitrogen and oxygen3. Life began in water and then on land.4. Dinosaurs could give birth to young baby animals and produced milk to feed them.5. According to the text, human beings would disappear in the end.B.本课mindmap (思维导图) mindmap (思维导图)成果展示整合课本与自己认知 情况培养学生的

13、发散思SummarizingC. Complete the tableD： Discussion：As a student, what little things can we do for the earth?What should we do?学生 4-5 人一 组进行讨论从几个方面保护环境.using patterns:1. It is clear that2. It is obvious that.3. There is no doubt that.4. No one can deny .5. Needless to say .6. It goes without saying that. SummaryWhat have you learned in this lesson?Today we have learned about: how the earth came into being how life developed on the earth学生5-6人一组进行 讨论维，更好地对理解 科技说明文的语篇 特征。细节的把握人类对地球以破坏 告诫人们要保护环 境，从我做起，从 小事做起。牢记： 绿水青