人教版高中英语必修3Unit4__Astronomy__Reading__说课稿课件(共49张PPT)

3.三维教学目标
知识目标：
1）把握reading部分中的重点单词和短 语；如：astronomy, solar system, atom, violent, atmosphere, globe, in time, oxygen, shellfish, amphibian, reptile, lay eggs, give birth to等 2）理解地球以及生命起源的过程.
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
2.plants
3.reptiles
4.shellfish
5.fish
6.amphibians
7.mammals
Astronomy Reading 说课稿
一.材料分析
1. 教材的地位和作用
从教材整合上来说，reading部分是本单元 中心环节，它既是本单元的基本语言内容， 又为本单元后面的知识拓展和综合语言运用 奠定了基础。
2.教材内容
Reading部分讲述了地球上生命的起源 水的形成使得地球有别于其他星球， 使得地球上生命的诞生成为可能。科学 家认为，地球上的生命首先诞生于水， 上百万年后，陆地上才长出绿色植物， 随后出现了陆栖动物和水陆西栖动物， 最初的动物卵化繁衍后代，后来出现了 哺乳动物，人类也随之诞生了。
3.reptiles
4.shellfish
5.fish
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
2.plants
3.reptiles
三.教学辅助手段
多媒体教学
四.教学程序
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What’s the difference between the earth and other planets？
The Solar System
How
Life
Began
Ancient Chinese had their own ideas about how life began on the earth. Do you know these stories? Give an example, please.
2.plants
3.reptiles
4.shellfish
5.fish
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
2.plants
Pangu separates the sky from the earth
盘古开天辟地
Nuwa makes human beings
女娲补天
God created the world in seven days
Let’s predict:
What’s the writing style of the text? A. Narrative 记叙文 B. Explanation 说明文 C. Essay 散文
3.reptiles
4.shellfish
5.fish
6.amphibians
7.mammals
small plants ______________on the water s________ __________ hellfish and other fish
Plants
Animals
green ______________began plants to grow on land
Discussion
As a student, what little things can we do for the earth?
One Earth, One Home One Earth, One Home Heal the world Make it a better place For you and for me and the entire human raceHea
能力目标：
1). 理解篇章结构，归纳段落大意。 2). 训练学生的阅读技巧, 掌握提取信息，分 析信息，解决问题的能力。 3). 通过本部分的学习，增强学生对学习科学 的兴趣，激发学生探究科学的热情，培养 学生的创造性思维，为学生开拓广阔的想 象空间.
德育目标：
让学生认知地球及生命起源的过程和全球 变暖的现象，教育学生要保护地球，保护 环境。
A solid globe
Exploded with fire and rock Produce C, N2 water vapor, etc. As the earth cooled down Water began to appear
Why is water so important for the beginning of life?
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
2.plants
3.reptiles
4.shellfish
5.fish
6.amphibians
2.plants
3.reptiles
4.shellfish
5.fish
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
2.plants
5.fish
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.inptiles
4.shellfish
5.fish
Because water allowed the earth to dissolve
harmful gases into oceans and seas.
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups .
In what order does the writer present the text?
A. The time order B. The space order
Match the main idea of each paragraph
Para. 1 Para. 2 Para. 3 The formation(形成) of the earth. The importance of water for life. A widely accepted theory about the formation of the universe. The arrival of humans and their impact on the earth. The development of plants and animals on the earth.
i_______ mphibians nsects and a___________ forests the plants grew into________
r________ eptiles
ammals m_________ c_______________ lever animals
Do you think that humans are clever animals on the earth?
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
2.plants
3.reptiles
4.shellfish
5.fish
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
4.shellfish
5.fish
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
2.plants
3.reptiles
4.shellfish
Para. 4 Para. 5
The development of the earth
Time The earth A cloud of dust
Several billion years after the “Big Bang” Between 4.5 and 3.8 billion years ago
1）对新教材以及本单元内容有一定了解适应，但 自主学习习惯未养成，对教师依赖性较强；
2）对事物有好奇心，思维活跃，但思考不深入， 逻辑性不强； 3）有一定数量的学生因为害怕出错而怯于在课堂 上使用英语进行交流和表达自己的想法。
二. 教学方法
任务型教学法：
新课标中强调“从学生的学习兴趣，生活 经验和认知水平出发，倡导体验，实践， 合作与交流的学习方式以及任务型的教学 途径，发展学生的综合语言运用能力”
4.教学重点和难点
重点：本课包括Warming up和文章阅读， 阅读量正常，难易度适中，因此将重点 放在对文章的理解上，特别是在阅读 中，如何提取信息，分析信息，解决信 息背后的意义上。 难点： 1. 掌握文章的主旨大意，整理出关 于文章结构的主要信息。 2. 展现并提高学生的语言表述能力
5. 高一学生特点：
1.insects
2.plants
3.reptiles
4.shellfish
5.fish
6.amphibians
7.mammals
Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups . 1.insects
Michael Jackson
Homework
Write an article about how to protect our earth. Finish the exercises on Page 28 and Page 63. earth.