module5导学案

Module 5 A Lesson in a Lab导学案
一．教学内容及要求：本模块以“A Lesson in a Lab”为话题，旨在通过模块教学，使学生了解一些基本的科学实验知识，学会怎样写实验报告，并掌握一些相关的词汇与短语，激发学生对科学的兴趣。

此外还要求学生学会读一些大的整数、分数及小数。

二．教学目标：
词汇：见50页的MODULE FILE
语法：学习Comparative structures
情感和态度：激发学生对科学的兴趣，从而积极地投入到科学知识的学习。

从文化的角度来看，鼓励学生了解国外有关科学教学的情况，以扩大学生的知识面从而激发他们的学习兴趣。

Period 1 Introduction &Vocabulary and Speaking 一．教学目标
1.语言知识目标：掌握考纲要求的单词、短语
2语言技能目标：听力能力的训练；熟练地掌握分数，小数，百分数的表达方式。

3.情感态度：通过对科学的初步了解，增强热爱科学实验的情感。

4学习方法：.先自主学习，必要时再进行小组讨论，相互交流培养学生的交际策略。

二．重点难点
教学重点：积极探讨关于科学实验和理科方面的知识。

教学难点：掌握分数，小数，百分数的表达方式。

第一步自主生疑
1. 词汇
1.固体（n）
2. 液体（n）_____________
3.气体（n）_____________
4.存在.生存（vi）___________(n)__________ 4.膨胀（vi）
5.收缩（vi）___________
6.物质（n）
7.混合物（）
8. 给---加热（vt）
9.钢（n）____________ 10. 铁（n）11. 混合物（n）_ 12.氧气（）13. 表面（）14. 自然的，天然的（adj.）
15.电（n）带电的（adj）_________有关电的（adj）_________16.人造的（adj）_______ 17.三分之二___________ 18.460万___________ 19.46亿___________ 20.50％________________ 第二步合作探究（预习自测）
完成课本第92页Exercise6 第三步互动生疑（课中学习）
分类)
41
Ⅰ.Before Listening-- choose the answers to the quiz about general science.Ⅱ.While listening ---- Listen and check your answers.
Step4. Vocabulary and Speaking.
词汇：
1. (1)十二（一打）(2)二十(3)百
(4)千(5)百万(6)十亿
(7) dozens of (8) scores of (9) hundreds of
(10) thousands of (11) millions of
2. 分数：
1/3 4/5 a quarter 3/4
Introduction (V ocabulary and Listening) — P41
Two-thirds of the earth’s surface is water. 地球表面的三分之二是水。

⑴分数的表达方式：“分子基，分母序，分子大于一，分母加s. ”
Eg: 1/4 —one (a) quarter ; 3/5 — three-fifths
Practice:
1.4/5_______________
2.1/6_________________
3.5/8__________________
4.11/12______________
5.2/9_________________
6.3/7__________________
⑴小数点前面的基数词和过去讲的基数词的读法相同；小数点后的数字则必须一一读出：Eg.1.36→one point three six ; 14.397—fourteen point three nine seven
Practice:
1.2.35________________ 2.15.28_________________3.0.25_________________
⑵百分数：百分数由percent表示，百分号％读作percent
Eg.0.68％→zero point six eight percent 6％→six percent
Practice:
1.75％________________
2.80％______________
3.35.6％__________________
第四步拓展迁移（课后作业）
1. 单项选择
1. Why not try to _____ your story into a novel?
A. grow
B. increase
C. broaden
D. expand
2. Sugar, when____ with water, dissolves quickly.
A. mixed
B. mixing
C. mix
D. is mixed
3. There are 50 students in our class and of them interested in music and sports.
A. two-fifth; is
B. two-fifth; are
C. two-fifths; is
D. two-fifths; are
4. — Is your house large? —Yes. It’s the previous one.
A. three times the size as
B. the size three times of
C. three times as the size of
D. three times the size of
2. Write down the following numbers
74,800________________________
1,400,800________________________
3/4 _________________ 1/5_________________ 5/6________________
41%________________ 100%________________ 0.75________________
1.28________________ 4.75_________________
2.5________________
课后反思:_____________________________________________________________________
Period2 Reading and Vocabulary
【学习目标】 1.掌握课文中的单词，短语以及用法
2.快速默读文章，搜索信息的能力；通过练习快速默读文章，提高阅读理解的能力。

4.学习如何描述或写一个科学实验报告。

通过对这两篇文章的学习，学生还可以学
习一些科学词汇，有助于今后阅读此类型的文章。

第一步自主生疑（课前预习）
I. Words:
1.结论（n）__________
2.目标；目的（n）____________
3.阶段；时期（n）____________
4.反应（n）___________
5.设备；装备（n）____________
6.（化学）反应（vi）___________
7.部分的；局部的（adj）__________8.氧化物（n）_________9.生锈（vi）___________
10.煮；煮沸（vt）_______11.普通的；平常的（adj）______12.蒸汽；水汽（n）________
13.漂浮（vi）_________ 14.形成（vi）_____________15.火焰（n）______________
II. Translate the phrases into Chinese.
1、把…按正确的顺序排列____________
2、科学实验_____________3.想出，想到_____________ 4、与…发生（化学）反应___________5、在顶部______________6.在…底部______________
7、往…加入…________________ 8、把…阻止在…外______________9.确信，确保______________ 第二步：合作探究（预习自测）
完成课本93页Exercise8
第三步互动生疑（课中学习）
Step 1. Fast Reading
( ) 1. Which of the following metals reacts the most with water?
A. Copper
B. Iron
C.Aluminium
D. Sodium
( ) 2. When heated in oxygen, ____ will react partially.
A. zinc
B. copper
C.potassium
D.all metals
Step2.Careful Reading
1. What should we know when we use metals?
2. What happens when you heat calcium in oxygen?
3. Which metals react with steam?
4. Does iron have a slow or fast reaction with steam?
5. Does copper react with water?
Step3.Summary
( ) Choose the best title for the passage.
A .The Different Uses of Metals
B .The Reaction of Metals C. The Reaction of Metals with Oxygen Passage B
Step1.Fast Reading
1. Put these words in the correct order to describe the stages of a scientific experiment
conclusion, method, result, aim, apparatus
____________________________________________________________
2. The experiment shows us _____.
A. how iron rusts with air
B. iron is quite easy to rust
C. how to prevent iron from rusting
D. how iron reacts with air and with water
Step2.Careful Reading
1.Finish exercise on page 45
2.Exercise 5 on page 46
Step3.Exercise(练习巩固) Listen to the tape again and fill in the blanks.
From Passage A we know the _________ of metals with some substances such as water and oxygen can be put in order. It can be seen the metals react _______ at the top and the metals react least at the ________. When you heat calcium in oxygen, you’ll find it burns to form a(an) ________. And it can easily be seen copper doesn’t _______ with water.
In the first part of the experiment in Passage B, the ______ is dry, not wet. It shows that iron doesn’t _______ when the air is dry. In the second part of the experiment, you must ________ the water to make sure there is no ________ in it. You add some ________ to the water because this keeps air out of it. It shows that nail doesn’t rust in water that has no air in it.
第四步拓展迁移（课后作业）
1.Retell a scientific experiment report of passage B.
2.预习情景导学reading部分知识点.
Period 3 Language Points(见情景导学) 拓展迁移（知识点巩固练习）
ⅰ.单词拼写
1.Is steel a ____________ (混合物) of iron and other substances?
2.Professor Wang will give us two _____________ (演讲) tomorrow morning.
3.The science facilities are very good , with laboratories that have all the latest ___________ (设备).
4.After discussing it for several days ,they finally drew a ________________(结论) .
5.We're getting to the ____________（阶段）where we hardly ever go out together.
6.It’s important to know how they ______________(反应) with different substances.
7.I saw some fallen leaves ____________(漂浮) in the river.
8.It’s important for us to keep the ___________ (平衡) of nature.
9.When you heat a metal ,it _______________(膨胀).
ⅱ.单项填空
( )1. — They have discussed the problem for hours.
— Have t hey come to any ______？
A．end B．result C．opinion D．conclusion
( )2. —Jane，what made you so unhappy？You h ave ______ the secret.
—Yes，I've discovered it，but what I really want to know ______ come to light.
A．found out；hasn't B．found；didn't C．found；isn't D．found out；hadn't
( )3. It was shameful to be found sleeping in class. His classmates' laughter only ______ his embarrassment.
A．added to B．appealed to C．referred to D．applied to
( )4. He used to ______ games on the Internet，but now he is used to ______ a walk after supper.
A．play；taking B．playing；take C．play；take D．playing；taking
( )5. It’s necessary ________ to practise reading English aloud every morning.
A．for you B．of you C．by you D．with you
( )6.He has ________ the habit of taking notes while reading.
A．made B．fallen C．got D．formed
( )7.Would you please put these sentences ________? They are jumbled now.
A. in the order
B. in order
C. to the order
D. to order
ⅲ.完成句子
1. You should_______children_____ ______(防止进入)the garden.
2. ______ _______(确保) everyone is here.
3.I __________________________ (我一直在思考)changing my job.
4. 她往汤里加了一些盐。

_____________________________________________________________
5. 学习好英语是必要的。

_____________________________________________________________
Homework: 完成情景导学P54课后自在练习
Period 4Grammar 1 and Grammar 2 Degrees of Comparison
教学目标：
GRAMMAR 1 这部分介绍了形容词比较级中有关倍数的两种主要用法：... times ... than ...和... times as ... as ..., 并通过对比练习来加强学生对这一用法的了解。

GRAMMAR 2 这部分继续介绍形
容词和副词的比较级。

主要是以下三种：1）表示“越来越……”；2) 表示“越……越……”；3) 表示程度的副词(much, a little 等) +形容词和副词的比较级。

第一步合作探究
请分析以下句子并做出总结。

⑴Jack speak English as fluently as Tom.
⑵This school is better than that one.
⑶This book is more interesting than that one.
⑷This room is less beautiful than that one.
⑸The weather is getting hotter and hotter.
⑹The harder you study, the more you will make progress.
⑺He works (the) hardest in his class.
发现：
第二步：自主生疑（自己先做，不会的听老师讲解并记录，查漏补缺）
翻译下列句子
1.小王和小刘一样高。

_______________________________________________________
2.她的包是我的两倍大。

_____________________________________________________
3.你们的操场是我们操场的三倍。

_____________________________________________
4.他越忙，他就越高兴。

_____________________________________________________
小结：倍数的表达方1).____________________________________________________
2)._____________________________________________________
3)._____________________________________________________
第三步：互动生疑（课中学习）
Step 1观察比较句型结构用法总结
Ⅰ. 比较等级结构的用法
1、原级比较句式有：
(1)A is not so (as) adj/ adv. as B. A不如B……
Lily is as beautiful as Mary.
This building looks not so / as high as that one.
(2) as +adj. +n. +as =as +adj. +a/ an +n. +as
I have as many books as Tom.
2、比较级的结构和用法
(1)双方比较表示一方超过另一方，用“比较级+than”的结构表示。

This pen is better than that one.
(2)表示一方不及另一方时，用“less+原级+than”的结构表示。

This room is less beautiful than that one.
(3)表示一方随另一方的程度而变化时，用“the+比较级（+主语+谓语），the +比较级（主语+谓语）”的结构。

例如：
他越努力工作，越感到高兴。

注意：“the+比较级．..，the+比较级”结构中，比较级若置于句中，省略the。

I liked the picture ________，the more I looked at it.
A．better B．the better C．best D．the best
(4)不与其他事物相比，表示本身程度的改变时，用“比较级+and+比较级”的结构。

天气变得越来越冷了。

(5)“the + 比较级+of the two”表示两者之中“较……的一个更……”
Who wants ? 谁要这两个中大的那个？
(6)表示倍数的比较，有以下几种句型：
①A is three (four, …) times the size (height, length, width, depth…) of B.
②A is three (four, …) times as big (high, long, wide…)as B.
③A is three (four, …) times bigger (higher, longer…) than B.
▲注意：用times 表示倍数，一般只限于表示包括基数在内3倍或3倍以上的数，表示两倍可以用twice。

3、最高级的用法
(1)三者或三者以上相比，表示最高程度时用“the+最高级”的结构表示。

Zhang Hua is the tallest of the three. 张华是他们三人中最高的一个。

(2)最高级可以被序数词以及much, by far, nearly, almost, by no means, not quite, not really, nothing like等词语所修饰。

(3)表示最高程度的形容词没有最高级和比较级。

如：excellent, extreme, perfect
(4)作状语的副词的最高级前可以不加定冠词。

如：Of all the boys he came (the) earliest.
Ⅱ、修饰比较级的有：
第四部：拓展迁移选择题
（）1. The factory has produced computers as they did last year.
A. twice as many
B. twice as much
C. as twice as many
D. as twice much
（）2. It is general believed that teaching is it is a science.
A. an art much as
B. much an art as
C. as an art much as
D. as much an art as
（）3. —Which do you think tastes ?
—None.
A. best
B. good
C. better
D. well
（）4. —Do you regret paying 1000 dollars for the painting?
—No, I would gladly have paid for it.
A. twice so much
B. so much twice
C. as much twice
D.twice as much
（）5. My glasses cost me the last pair I bought.
A. three times
B. three times as much as
C. three times more as
D. three times as many as
（）6. —How about playing a game of bridge?
—I can’t think of idea.
A. a good
B. a better
C. the better
D. the best
（）7. As far as I am concerned, education is about learning and the more you learn, ______
A. the more for life are you equipped
B.the more equipped for life you are
C. the more life you are equipped for
D.you are equipped the more for life
（）8 .Boris has brains. In fact, I doubt whether anyone else in the class has IQ.
A. a high
B. a higher
C. the higher
D. the highest
Period 5Listening and writing+Function+Everyday English
教学目标：1.掌握考纲要求的单词，短语;学会简单的对话，提高做听力的技巧。

3.介绍了五个日常用语，要求学生明确其意义、所用场合，并能正确使用。

4.掌握first, next, after that, lastly在文段中的运用以及与之相关的标点符号的用法。

第一步：自主生疑（课前预习）
学生自己预习课本46页到48页中出现的单词，预习Listening部分的内容。

第二步：互动生疑（课中学习）
Pre-reading
Ask students to do Ex1on page 46 in pairs, read the aim of the experiment and predict the result. Activity2. Listen to the conversation. Was your prediction for activity 1 correct?
Activity3. Listen again and complete the description of the scientific experiment.
Listening Tape script
MRC: ok, boys and girls, we are going to . Come closer. The closer you are, you will see! That is right! Now, what is the of this experiment, zhoukai?
Z.K: We want to find out if there is a change when magnesium burns in air.
Mrc: That is right. So what do we need first?
Z.K: Um… We need some magnesium. do we need? What about this piece? Is this piece ok?
Mrc: NO, we need more than that –about two and a half grams. We need a piece which is
much than that.
Z.K: Ok…And we need a Bunsen burner… a balance….and a crucible to put the metal in …Here they all are…Where do we go from here?
MRC: Well, ________ put the magnesium in the crucible. put the crucible on the balance and weigh it.
z.k: Ok…
Mrc: How much does it weigh? Take a look, everyone. Is it any heavier?
Z.K Um…It weighs two and a half grams. Do you want me to write that down?
Mrc: Yes, write it down. What ?
Z.k: Yes…Um, next, we are going to heat the magnesium. So I light the Bunsen burner. Aft er that, I hold the crucible over it….oh, look, it is burning with a white light! It’s getting brighter and brighter
Mrc: It is pretty, isn’t it? the noise , boys and girls, please.
Z.k: Um… , we need to weigh the magnesium again…it w eighs grams now.
Mrc: So what does that tell you?
Z.K: it weighs a little more than before.
Mrc: How much more?
Z.K: 1.5 grams more
Mrc: And what does that mean?
Z.K: It means that there is a change in weight when magnesium burns in air.
Mrc: ! Well done! So now, let s do the same experiment with copper. Come
along , likang, _______________What do you think will happen if you heat copper?
L.K: I think it will be a lot heavier than magnesium. Shall I begin?
Mrc: Yes, ______________
第三步拓展迁移（课后作业）
1. Fill the blanks according to the listening.
Aim: to find out if there is a change in weight when magnesium burns in the air.
Apparatus: __________________________________________________________
Method:First, _____the magnesium ___the crucible. Then, put the crucible on the _____ and _____it. Next, _____the magnesium.______ the Bunsen burner . After that, _____the crucible over it. Finally, ______the magnesium again.
Result: It weighs a little _____than before.
Conclusion: _________________________________________________________
2.完成课本p48 Everyday English；Listening and Speaking on Page95.
Period 6 Cultural Corner &Task &Module File
教学目标：1. 掌握下列单词及短语：lecture，astonished，used to do，be supposed to do等。

2. 通过阅读文化角部分，更好的了解国外学校学习科学的现况。

教学重点：理解文章内容，并掌握学习目标中的重点单词及短语。

教学难点：如何运用所学知识点解决相关的练习题。

第一步：自主生疑（课前预习）
Words:
1.理科（n）__________
2.棒极了（adj）__________
3.（常作复数）设备；工具_____________
4.实验室（n）___________
5.发现（n）_____________
6.一流的（adj）_________________________
7.演讲（n）_____________
8.（大学的）科、系____________
9.吃惊的；惊愕的（adj）_______________ Phrases:
1.过去（常常）______________________
2.科研设备________________________
3.最新的设备________________________
4.在…领域_______________________
5.为…感到骄傲/自豪__________________
6.应当；理应______________________
7.在过去的20年内___________________
8.诺贝尔奖________________________
9.对…感兴趣________________________
第二步：互动解疑（课中学习）
Step1.Fast reading(快速阅读寻找信息) Read the text quickly and answer the questions.
1. What’s the main idea/topic sentence of the text?
2. Why has Mark become more interested in Science?
Step2.Careful reading (仔细阅读重在理解)Read the text again and then choose the best answers. ( )1. When did Mark Kendon enjoy science?
A. Before he changed schools.
B. After he changed schools.
C. When he was a child.
D. When he was in Primary school.
( )2. What did Mark Kendon think of the science facilities of his new school?
A. Bad.
B. Well.
C. Very good.
D. Not mentioned.
( )3. We can infer from the passage that .
A. Canada has a small number of first-class scientists.
B. the writer has no interest in science till now.
C. the writer didn’t like his school
D. the writer wants to study physics at university.
( )4. Which university does the writer want to go to?
A. Montreal or Ottawa University.
B. Qinghua University.
C. Montreal University.
D. Oxford University.
( )5. What did the writer’s parents think he would become?
A. A scientist.
B. A doctor.
C. An English teacher.
D. Not mentioned
第三步：情景解疑（结合情景导学，掌握重要的短语以及句型）
第四步：拓展迁移（课后作业）
一.单项选择
( )1. He used on the right in China, but he soon got used on the left in England.
A. to drive; to drive
B. to drive; driving
C. to driving; to drive
D. to drive; to driving ( )2. The professor also mentioned an article by Zhu Ziqing.
A. supposed to have been written
B. supposed to be writing
C. supposing to have been written
D. supposing to be written
( )3. –I haven’t heard from Henr y for a long time.
--What do you suppose to him?
A. was happening
B. to happen
C. has happened
D. had happened
( )4. There is no doubt that her past record is certainly something to .
A. take pride
B. take pride of
C. be proud
D. be proud of
( )5. Either Tom or Peter taking one exam after another.
A. hate
B. hates
C. to hate
D. hating
二.单句改错：
1. He used to living here but now he has moved away. ___________
2. I didn’t used to like beer, but now I’m quite fond of it. ___________
3. All the passengers in the accident have been sent to hospital according to the later news. ___________
4. All the Chinese are pride of Yao Ming as he is very successful in NBA. ___________
5. It is six o’clock now. He i s suppose to be at home. ___________
三.完成句子
1.I would like to have_______ bread ____ (或者--或者)cakes for breakfast.
2.He is an expert _______ ________ _______(在--领域) of science.
3.假如没有纯净的水，我们喝什么？
_________________________________________________________________________
4.在那儿看到吉姆我很吃惊。

________________________________________________。