外研版必修一Module 5 A Lesson in a Lab -writing课件(15张）

课件15张PPT。Module 5
WritingWritingGUIDED WRITING【写作任务】
本次写作任务是写一堂实验课或与实验相关的文章。
【写作内容】
以下是一堂化学小实验的相关信息。请用英语写一篇短文，简要描述这次实验。注意：
1. 词数：100左右；2. 可适当增加细节，以使行文连贯; 3. 参考词汇：洗衣粉 washing powder;
动手能力 hands-on ability【写作步骤】
一、词语储备
A: conclusion, dissolve, scientific, happen,
float, experiment, purpose, mix, mixture, pour, shake, description, enrich, develop
B: 1. add…to… 往……加入……
2. find out 弄清楚
3. draw a conclusion 得出结论
4. leave sth aside 静置
5. in my view 依我之见
6. not only…but also… 不但……而且……二、备用句型罗列
1. 下面是一个简单小实验的描述，目的是观察油和水能否混合。
— Below is a description of a simple experiment, designed to see whether oil and water will mix.
—__________________________________
____________________________________
____________________________________
(使用whose引导的定语从句) Below is a description of a simple experiment, whose purpose is to see whether oil and water will mix.2. 向一个小玻璃瓶中倒入半瓶清水，再加入一些植物油，发现油漂浮在水面上。
— Pouring some water and some vegetable oil into a small glass bottle, we can see the oil floating on the water.
—__________________________________
____________________________________
____________________________________
(使用祈使句+ and+一般陈述句) Pour some water and some vegetable oil into a small glass bottle and we can see the oil floating on the water.3. 用手摇晃玻璃瓶，静置一会儿，油和水仍旧不能混合。
— Shake the glass bottle and leave it aside for a while. But it turns out that oil and water still don’t mix.
—_________________________________
___________________________________
___________________________________
(使用after + doing结构) After shaking the glass bottle and leaving it aside for a while, we can find out oil and water still don’t mix.4. 再往小玻璃瓶里加一点洗衣粉，然后充分摇晃瓶子，再观察发现油和水混合在一起了。
— Add some washing powder to the glass bottle and shake it fully and we can see a surprising thing that oil and water mix together.
—_________________________________
___________________________________
___________________________________
____________________________________
(使用after + which的定语从句) Add some washing powder to the bottle and then shake it fully, after which we can see a surprising thing that oil and water mix together.5. 我们得出结论：放入洗衣粉后油和水能够混合。
— We can draw a conclusion that oil and water will mix together after washing powder is put into them.
—_________________________________
___________________________________
___________________________________
(使用宾语从句) We can conclude that oil and water will mix together after washing powder is put into them.6. 做实验能培养我们的动手能力，而且还能丰富我们的科学知识。
— Not only can doing experiments develop our hands-on ability but also enrich our knowledge.
—_________________________________
___________________________________
___________________________________
(使用并列句) Doing experiments can develop our hands-on ability but also it can enrich our knowledge.三、 统筹安排
Outline of the text:
Paragraph 1: To bring in the experiment
Paragraph 2: To describe the experiment in detail
Paragraph 3: To state your opinion of doing experiments四、扩充要点, 连词成句。
任务A：从文中括号内选择适当的词填入空格；
任务B：将下列选项填入文中适当的位置。
① oil and water mix together
② oil and water still don’t mix
③ shake the glass bottle and leave it aside for a while
④ develop our hands-on ability Below is a description of a simple experiment, ______ (whose/which) purpose is to find out whether oil and water will mix.
First, pour some water into a small glass bottle and add some vegetable oil. As we can see, the oil floats on the water. Second,_____________. But it turns out that _______. Next, add some washing powder to the glass bottle and shake it fully, after _____ (which/what) we can see a surprising thing that _________. Finally, we can draw a conclusion that oil and water will mix together with washing powder ______(mixed/mixing) with them.
In my view, doing experiments can not only _____________but also enrich our scientific knowledge.whosewhichmixed③②①④Homework1. Do the listening exercises in Learning English.
2. Finish the exercises on Page 46&47.