教学目标 ()知识技
1理解全文解生命起源程完成布置务
2学词汇语言点复述课文掌握段落意
3学知识伙伴进行交流沟通提高交际力
(二)程方法
1务教学法:快速阅读掌握段落意匹配正确选项
2合作学法:仔细阅读讨生命发展程排序
3交际学法:学生展示讨结果运学知识生命起源进行叙述
(三)情感态度价值观
部分旨指导学生通阅读手段获取关球生命起源方面知识提高学生素质拓宽学生视野增强学生阅读力强化学生文化意识激发学生热爱球保护球珍爱生命意识培养学生合作意识
二教学容
天文学作科学重分支类发展起着重作课文How Life Began on the Earth(球生命起源)中心话题容涉太阳系球生命起源宇宙爆炸黑洞效应等围绕球生命起源展开课时单元教学重点注重学生阅读力培养提高
篇阅读文章采叙述方式时间序叙述球生命起源发展程采务型教学法组合作探究学法问题导入学生思考激活学生思维引导学生进行题阅读进扩课堂材料输入量学生语言输出量
三教学重点难点分析
教学重点:
1 全文意作整体理解:篇阅读文章采叙述方式时间序叙述球生命起源发展程
2掌握课重点单词词组(Useful words and expressions):
Big Bang watch out
break out exist
in time now that
block up as a result
give birth to lay eggs
cheer up prevent … from
in one’s turn puzzle
3找出段题句纳出文中心思想提高英语综合运力
教学难点:
1利预读略读查读等阅读技巧识关键词确定题句等阅读微技形成阅读策略
2帮助学生运阅读策略实现学
3样阅读课教学托全面训练学生听说读写力
4掌握课重点单词词组指导学生助工具书进行适辨析拓展提高实践力
四学情分析
高第学期英语学基础学生已掌握略读快速阅读等阅读技巧识关键词确定题句预测等阅读微技形成初步阅读策略部分处阶段学生基础知识然较薄弱运英语进行交际活动力较差学动性足然学较认真学较优秀渴班集体里认评价时求知欲旺盛思维较活跃部分学生基础较动配合老师愿意开口讲英语着高中生独立爱表现特点设置感兴趣活动材施教投入课堂活动中
课课文篇科普类文章文中许专名词两栖动物水生壳动物爬行动物等等必须先学单词时学生英文呈现容生物知识相结合帮助理清文章脉络
五教学程设计
步骤1:复 (Reviewing) (5分钟)
设计意图:环节通提问方式引导学生简略回顾节课容阶段学做铺垫
师:How many planets are there in solar system? What are they?
生:There are eight planets in our solar system They are Uranus Venus Earth Mars Mercury Jupiter Neptune and Saturn
师:Very good Do you know the words and expressions on the blackboard They may be used in this class Let’s review them
学生活动:(The students read the words loudly)
步骤2:导入 (Leadingin) (5分钟)
师:Do you want to know more information about the universe?
生:Yes very much
师:Do you know the origin of life on earth?
生:Pangu separates the sky from the earth
生:Nvwa makes human beings
生:God created the world
师:Yes You are right There are different versions about the origin of life on the earth But do you know the scientific idea of the development of the life on the earth? OK now look at these pictures and then answer my questions 媒体利:媒体展示图片
设计意图:节课导入程教师通媒体呈现相关图片文字学生猜样导入学生开思路回想起理课中学相关知识学生体会堂课题激发学生奇心求知欲营造种宽松活跃课题氛围环节学生学生词步阅读策略掌握教学开展做铺垫
(1) The Big Bang 宇宙爆炸
(2) A cloud of dust 团尘埃
(3) A solid globe 固体球状物
(4) The globe exploded with fire and rock 球体爆炸喷出烈火岩石
(5) The atmosphere 气层
(6) Oceans and seas 海洋
(7) Small plants and tiny organism 植物微生物
(8) Shellfish and all sorts of fish 贝类种鱼类
(9) Amphibians 两栖类动物
(10) Reptiles Dinosaurs 爬行类动物恐龙
(11) Mammals 哺乳类动物
(12) The evolution of human beings 类进化
步骤3:略读 (Scanning) (7分钟)
师:Ok so much for the pictures Can you tell me what order of the pictures it is?
生:They are in the order of time From these pictures we can know how life began on the earth
师:That’s right Now let’s look at the text Look through the passage quickly and get the main idea of each paragraph
务学法:限时阅读活动学生5分钟时间握文章段中心意
设计意图:准确快捷找段落题句种重阅读技巧环节求学生规定时间快速浏览文章目引导学生运略读技巧找出段落题句初步解文章容项务提高学生预测力快速阅读力学生基解课文章节安排线
Para 1: a The importance of water for life
Para 2: bThe development of plants and animals
on the earth
Para 3: c The formation of the earth
Para 4: d A widely accepted theory about the
formation of the universe
Para 5: e The arrival of humans and their impact
on the earth
媒体利:媒体展示练连线
师:Please match the main idea with each paragraph
生:para1―d para2―c para3―a para4―b para5―e
步骤4:精读 (Intensive Reading) (10分钟)
师:Well done Now we’ll read the text carefully and then put the right order of development of life into a timeline then discuss in groups
1 Insects and amphibians appeared
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 land
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 Big Bang
11 Clever animals with hands and feet appeared
12 Mammals appeared
合作学法:组讨生命形成程
设计意图:系列环节求学生仔细阅读文章捕捉文章细节引导学生先根文章线搞清球形成发展程培养学生领悟分析语篇力团结合作精神
组讨结果展示黑板
生:the right order should be 10 7 3 8 4 9 6 1 5 2 12 11(学生展示结果进行表扬) 师:Very good Now you must have a general idea about the text Can you retell the text using your own words?
生:
交际学法:鼓励学生利学知识进行交流表述观点
设计意图:该环节旨培养学生口头表达力学生创造语言输出台学生通阅读获语言储备语言输出做铺垫时活动激励学生课学知识现实生活联系起时培养学信心
步骤5:讨 (Discussing) (15分钟)
师:Good job Now think about what you have read and discuss the following questions in pairs
Why was the earth different from the other planets?
Why did the plants grow before the animals came?
Why is it wrong to show films with dinosaurs and people together?
What problem is caused by human beings?
媒体利:媒体展示问题
合作学法:学生合作学完成务
设计意图:教学活动变成真正交际活动课堂活动推高潮激发学生学动性积极性学生变动动变浅层次参深层次参学生领会知识技运情景中通交际学会交际学生清晰感受学意义实现学致
师:Yes we human beings did much harm to the earth The earth may become too hot to live on So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved It is high time that we should do something to protect the earth Protecting the earth is protecting ourselves
步骤6:作业 (Homework)(3分钟)
Write a report about what you will do to protect the earth
Find out the useful expressions and language points in the text
Underline the difficult sentences and analyze them
设计意图:作业容堂课延伸旨培养学生书面表达力学生创造语言输出台学生通阅读获语言储备语言输出做铺垫复节容节课做预
六教学结
节课通务设置学生组活动中通合作探究完成项务深层思考阅读理解活动讨活动激发学生学兴趣英语表达欲达增强学生成感信心培养合作精神目
七教学反思
学生语言基础够扎实时会学生表达法英语进行讨时夹杂着汉语学生敢胆说出法欲言止说明时教学中教师应该注重学生常句型掌握学生进行讨前应量帮助学生解决语言困难学生进行组活动时应量学生更帮助动解学生语言困难
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