【教学设计】Module 5 （外研）

Module 5 A lesson in a lab 四川省乐山第一中学校谭碧琼四川省乐山第一中学校谭碧琼 This module mainly introduces scientific knowledge and the operation and report of basic experiments to students Questions can often lead to inquiry and phenomenon usually makes people think deeply Thus students can voluntarily practice and seek the truth on their own In this module we are going to learn some commonly used vocabulary and sentence patterns about scientific experiments In terms of grammar we re going to learn the expressing ways of Degrees of Comparison Besides students should also learn to use the forms of modifier of Degrees of Comparison In pronunciation students are asked to learn the intonation of general questions and special questions At the same time after learning this module students are required to improve their abilities of listening speaking reading and writing as well as some strategies of learning 知识与能力目标 教材分析教材分析 教学目标教学目标 教教学学过过程程 1 掌握并记忆本课的重点词汇和短语 2 培养学生的阅读能力 训练学生阅读速度 查读的阅读技巧 训练学生学会找主题句 归纳文章主旨 运用想象 联想 学会用英语思考的能力 3 让学生复习倍数比较和形容词比较级 并掌握这些用法 过程与方法目标 1 通过让学生观看图片来让学生对世界上著名科学家有所了解并了解一些化学材料和实 验的英语表达 2 通过朗读指导 自主探究 小组活动等方面来引导学生掌握这个单元的单词 文章和 知识点 情感态度价值观目标 通过两个实验来连接起英语和化学方面的知识 教学重点 1 学习和掌握本课生词 2 让学生掌握并灵活运用倍数比较和形容词比较级的用法 教学难点 1 多层次的训练阅读能力 提高阅读水平 2 怎样让学生灵活使用词汇 短语和句型来做题 PPT 录音机 Step one Introduction and Vocabulary The teacher uses some pictures to introduce some famous scientists at home and abroad and then do a match game to have a better understanding of them Do a listening to introduce some new words in this module 1 a Water exists as a solid a liquid and a gas b Water exists as a solid and a liquid only 2 a When you heat a metal it expands b When you heat a metal it contracts 3 a Steel is a mixture of iron and other substances b Steel is a mixture of iron and oxygen 教学重难点教学重难点 课前准备课前准备 教学过程教学过程 4 a Two thirds of the earth s surface is water b 50 of the earth s surface is water 5 a The distance of the sun from the earth is 25 500 kms b The distance of the sun from the earth is 150 500 500 kms 6 a The earth is 4 6 million years old b The earth is 4 6 billion years old 7 a The earth is twice as large as the moon b The earth is forty nine times larger than the moon Do some matching exercises to review some new words and inform Ss some English expressions of metals How to say the cardinal numbers the ordinal numbers fraction decimals and percent 英语中基 数词 序数词 分数 小数和百分数的读法 1 基数词的读法 A 先说 几十 再说 几 中间用连字符 B 先说 几百 再加 and 再加末两位数 或末位数 C 1000 以上的数先从后向前数 每三位数加一 千分位 第一个 号 前为 thousand 第二个 号前为 million 第三个 号前为 billion 2 序数词的读法 序数词一般以与之相应的基数词加词尾 th 构成 如 tenth 第十 但下面这些基数词在 变序数词时 有特别的地方 3 Fraction 分数 表达法式 分子要用基数词 分母用序数词 如果分子大于一 分母必须用复数形式 1 5 one fifth 2 3 two thirds 3 7 three sevenths 4 Decimals 小数 表达法式 小数点以前按基数词读出 若整数部分为 0 可读作 zero 或 nought 也可以不读 小数点读作 point 小数点后按基数词分别单个读出 小数点后的 0 通常读字母 O 的音 4 Percent 百分数 百分数表达方式 前是什么就读什么 读了之后加上百分号 percent 就可了 Step two Reading 最好的 最优秀的 如 They can afford to eat at first class restaurants She got first class results in h