1、Period 2 Reading and Vocabulary【 学习目标 】知识与技能1. 学习与科学及实验有关的词汇并能够识记本课时的单词。2. 通过学习本课时使学生识记一些化学实验的相关词汇，有助于今后阅读一些相关文章，并能运用所学写一篇简单的科学实验报告。过程与方法：通过 skimming, scanning 以及 detailed reading 了解文章内容，在阅读中识记一些重点词汇；学会捕捉阅读中的相关信息。 情感态度与价值观：培养对科学的热爱及实事求是的态度。【 教学重难点 】理解文章 A和文章 B的大意；让学生抓住表达实验步骤的关键词；训练学生阅读科普文章的阅读技巧。【Sel
2、f-study】 （预习教材 p44-p45）Describe the stages of a scientific experiment. (实验目标)_ -( 器具)_ -(方法)_ -(结果)_ -(结论)_词义搭配A BMagnesium AlIron ZnCalcium NaAluminium KCopper Fe Zinc Ca Sodium MgPotassium Cu【Further Study】Step I SkimmingSkim the passages A按顺序” 。out of order 次序混乱，无序地例：She keeps the room in order.
3、她把房间整理得很好。My bicycle is in order. 我的自行车情况良好。【即学即用】翻译：我们需要把这些照片按顺序整理好。_4. Burn to form an oxide.form vt & vi 形成，使组成，养成eg Five players form a team.We young people should form good habits. _form (n.)形状，形式，表格fill in / out a form 填表in the form of 以的形式take the form of 采取形式【即学即用】Help _money will be very he
4、lpful. 以钱的形式资助将会很有用。 4. Leave the tube for one week.leave 意为“放置, 不去动某物, 使处于某种状态” 。如：He went out, leaving the door open. .看以下例句，总结 leave 在句子中的不同含义。 1) Leave the tube for one week. _2) Im leaving Changchun for Beijing tomorrow. _3) There are five minutes left. _4) Leave it to me. _5) He said that he h
5、ad left his book in the classroom. _【即学即用】翻译：离开时，请将书放回原位。_.5. Add some oil to the water.add to 往加入add to 增加add up to 共计，总共是add up 把.加起来1）These numbers _ 100. 这些数字合计是 100。2) Please _some sugar _ my coffee. 请往我的咖啡里加些糖。 3）_all the money I owe you . 把我应付你的钱都加在一起。4）The bad weather _the difficulties of ou
6、r travel. 坏天气增加了我们旅行的难度。 4. This will keep air out of the water. 【译】_keep out of 使进不去，不让 进入，把 挡在外面【即学即用】This coat keeps out of the wind. _【Self-check 】Try to describe the experiment Iron in Air-free Water:Aim: to find out _Apparatus: _Method: 1) _a test tube with water.2) _the water for 3 minutes3)
7、Put two or three nails in the water.4) _some oil _the water, this will keep air_the water.5) _the tube for one week.Result: _Conclusion: _【Homework】1. Dont leave the water _ when you brush your teeth.A. run B. running C. being run D. to run2. I hope youd better _ trouble while I am away. Or nobody c
8、an help you.A. keep out of B. keep up C. leave off D. leave out of3. It is still too early to reach a _ on this point.A. inclusion B. conclusion C. exclusion D. solution4. There have been several events _to the program for the 2008 Beijing Olympic Games.A. add B. to add C. adding D. added5. 做练习册 P117,Guided writing 部分。
