人教版高一下英语精品教案高一第十六单元(人教版高一英语下册教案教学设计)
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Scientists at Work

I. Teaching aims and demands 教学目标和要求:
1.Topics 话题
　 1>Talking about science and scientists
2>Talking about experiments
2.Function: 交际功能
1.发出指令(Giving instructions)
Build the frame of the kite by making...
Tie the corner of the handkerchief to the points of the cross...
Add a tail to the frame and tie a long string to the cross...
First, fix a sharp piece of metal...
Second, fasten a key to the end of the long string.
Third, tie a silk ribbon to the string...
Fly the kite when...
2.讨论和评估赞成与反对(Discussing and evaluating pros and cons)
Advantages
It s good for the ceremony.
It can help many people in the future.
It is cleaning and does not pollute the air.
It is important for science.
It brings people more comfort.
Disadvantages
It is too expensive.
It is dangerous or bad for your health.
It is bad for the environment.
It is unnecessary.
Some people will use it for other things.
3.Vocabulary 重点词汇和短语
　 experiment; glove; gas; liquid; advantage; disadvantage; engine; nuclear; comfort; unnecessary; successful; conduct; lightning; thunderstorm; string; charge; electric; shock; prove; tear; frame; handkerchief; control; sharp; foot; fasten; sense; test; shampoo; skin; drug; activist; doubt; cruel; view; conclusion
a number of; a great deal of; pick out; test on
4.Grammar:语法
构词法-----合成词 foot + ball=football up + stairs=upstairs
under +storm=thunderstorm hide + and + seek=hide-and-seek
II. Difficult points
III. Main teaching aids教具：A tape-recorder; Multimedia, projector, role cards
Ⅳ. Main teaching methods 教法：
1. The interaction between the teacher and the students, and among the students themselves; Attention to the students’ listening, speaking, reading and writing; and so on.
2. Listening-and–answering activity to help the students go through with the listening material.
3. Use both individual work and group or pair work to make every student work and think in class
V. Teaching procedure：
Period 1第一节
（一）明确目标　
1. Warming up to arouse the students love in talking.
2. Do some listening to improve the students listening ability.
3. Making simple dialogues to train the students speaking ability.
4. Learn to express the student’s everyday life, especially their life on science study.
(二) 整体感知
Step 1 Presentation
When you are talking about studying, almost all of you think that studying can only happen in the classroom, and it only means listening to the teachers’ explanation. But there can be many means to study. For example, studying in the lab, reading the books by yourself. Now turn to page 22. And try to describe the four pictures listed in your text book.
2. After describing the pictures, let the students answer the following question.
(1) What are the names of the school subjects in which you study sciences?
(2) Give an example of what you learn about for each field of science.
(3) What are the rules when you do the experiments in the lab?
（三）教学过程
Step 2 Warming up
Suggested answers for Question 1:
I Photo 1 shows students at work in a chemistry lab.
2 Photo 2 shows an English book called Hamlet, a dic¬tionary and a notebook.
3 Photo 3 shows two students doing an experiment.
4 Photo 4 shows students looking at something through a microscope.
Suggested answers for Question 2:
1 Chemistry 2 Physics 3 Biology
Suggested answers for Question 3:
1 In chemistry we learn about the way different liq¬uids and materials react with each other. For example, if you put a piece of metal into a glass containing a strong acid, it will dissolve.
2 In physics we learn about the laws of the universe, for example about Newton and the reason why all things on earth fall down.
3 In biology we learn about life on earth, for example by looking at the structure of cells.
Step 3 Listening comprehension
　　 Now let s have some listening training.
Listen to the tape and try to answer the exercises. Tell the differences between the rules they have talked about and the one listed in the tape. Then get to know the important to keep safe in the lab.
LISTENING TEXT
MR DENG: Everybody listen carefully! Today Mrs. Zhu will explain about the safety instruc¬tions for the lab. If you have any ques¬tions, you can raise your hand.
MRS ZHU: For experiments that are done in this lab, everybody should remember: Safety comes first! This is very important, be¬cause the experiments are fun and very interesting, but we don't want any acci¬dents. First of all, don't come in here with¬out your teacher. Once you're in here, fol¬low your teacher's instructions. When you come into the lab, students with long hair should tie it up, or put their hair under their clothes. Always listen carefully to your teacher's instructions and don't touch any¬thing, unless your teacher tells you to.
MR DENG: Can you explain a bit more about doing experiments?
MRS ZHU: Sure. Never put your nose directly into a glass or over a bottle. Gases can be very dangerous. Instead, you should wave some air in your direction and carefully smell it. Never put your fingers into glasses and never taste anything! When working with fire, be careful about the flame. When working with electricity, make sure your hands are dry. When anything gets into your mouth or eyes, immediately wash with a lot of water. Remember that the classroom isn't a playground. Don't throw i things or start playing. That can be dan¬gerous.
SUN YAO: What about when we leave?
MRS ZHU: When class is over, clear everything away and leave the classroom neat and clean. Before leaving the classroom, wash your hands with water and soap. Don't forget to turn off the lights and shut the windows.
Answers to Exercise 1 :
safety in the lab, experiments, long hair, gases, flames
Answers to Exercise 2:
1 Safety comes first!
2 Follow the teacher's instructions.
3 Bottles may contain dangerous gases.
4 Immediately wash your eyes with a lot of water.
5 Clear everything away and leave the classroom neat and clean. Wash your hands with water and soap. Turn off the lights and shut the windows.
Step 4 Speaking practice
　 Talk about the effect of the science of technology. Let the students know the application of science and technology does good to our society , at the same time , it also harm to the human beings or the environment.
Practice in pairs to talk about some advantage and disadvantage of the scientific discoveries and applications listed in the book.
Sample chart:
Invention Advantages Disadvantages
Cloning 1 can help some women have babies 1 it is not natural to make people
2 can help medical research 2 dangerous; people use it to do strange things
1 can make all the electricity we need 1 unsafe to all life if not controlled
Nuclear energy 2 is a limitless resource 2 can be expensive to build / repair
1 makes communication faster 1 unsafe because of viruses
Computers 2 can keep information better 2 makes more problems than it solves
Space flights 1 makes research of outer space possible 1 expensive and dangerous
2 put communication satellites in space 2 used by the army
Sample dialogues:
Cloning:
A: Cloning is one of the most important discoveries of our times.
B: I think it should be forbidden. It's dangerous and it's unnecessary.
A: What do you mean? It's great if we can clone people. It's a way to make people, so women can have ba¬bies but they don't need to give up their jobs.
B: But don't you think it's wrong to sort of make people? It's unnatural. And besides, some people will use it for other things.
A: I don't think so. Cloning can be useful to the devel¬opment of medicine and make the life of women more comfortable.
B: No. You should think of the dangers. People will use it to create people and use those people as slaves.
Nuclear energy:
A: It's been known for many years that we can't go on using coal and oil for fuel. They pollute the environ¬ment too much. Nuclear energy is the best way to make electricity. It's clean and it doesn't pollute the air. It can help many people in the future.
B: It's true that it doesn't pollute the air, but it isn't clean. Nuclear waste is very dangerous for your health. Accidents in nuclear energy plants can kill all life on the planet. These places aren't really safe, you know.
A: I think you worry too much. Electricity from nuclear energy is cheap and that is good for the economy.
B: I don't believe it can be cheap. These factories are very expensive to built, to keep working safely and taking care of their waste is also very expensive. Nuclear waste is very bad for the environment.
A: Well. What do you want to use instead of coal and oil for fuel?
B: Nuclear energy is unnecessary. People can use wa¬ter power and the sun to make electricity.
Computers:
A: Computers are very useful and can help people in the future even more.
B: I agree. But there are also disadvantages.
A: What do you mean?
B: Well. Just think about it. Who makes computers? People do. Right? And because the people who make computers can make mistakes, we can't rely on com¬puters.
A: I see your point. But what problems will they cause?
B: Who knows? Maybe they will make people lazy. ¬Maybe they're unnecessary for doing some jobs.
A: I don't agree that they're unnecessary. I think com¬puters are important for science, especially for medicine. There is no doubt about it. Computers can store a lot of information and it's very easy to find information. .With computers people can work faster. Today one man working with a computer can do the job of ten people in the past. That's good for the economy.
B: That's true, but for common people they're still too expensive.
A: I agree. But I'm sure they'll become cheaper. In the future we'll all be using computers every day, and they'll bring people more comfort.
Space flights:
A: China is the third country in the world that has sent a man into space. Isn't it Great!
B: Yes. It's a great achievement. I'm sure it's very important for science, but on the other hand, such space flights are very expensive.
A: That's true. But you mustn't think of it in that way. Think of all the new discoveries that will be made during space flights!It can help many people in the future. China can put satellites up into space that we need for communication.
B: Well. I still think they're too expensive. The space programme costs too much money and. that money could be spent better on other things. Besides, I'm sure these discoveries you are talking about can also be made on earth. So space flights are unnecessary.
A: Well. Aren't you proud of our nation's space programme?
B: Sure I am. But that does not change my mind about the advantages and disadvantages of space flights.
（四）总结扩展
Step 5 Necessary language points
Today we ve done some listening and speaking, and learn how to give advice and some everyday English used between doctors and patients.

Listening and speaking听说要点
1>Why should students be careful smelling from bottles?
be careful smelling [用法]also be careful to do 小心做某事
[举例]John was careful not to say anything about this to her.
约翰小心翼翼,避免向她提及此事。
Be careful crossing the road. 小心过马路。
2>We should make more use of this new technology.
make use of [用法]利用
[举例]We will make good use of our time. 我们将好好利用我们的时间。
[思考]1.如何表示 充分利用 ?
2.如何将We will make good use of our time改为被动态?
3>It brings us more comfort.
comfort [用法]n.1. 安逸,舒适[U] 2. 安慰,慰问[U] 3. 安慰者,给予安慰的东西[C]
vt.1. 安慰,慰问
[举例]We could give him no comfort. 我们无法给他安慰。
It s a comfort to be with you. 与你在一起使人得到安慰。
Step 6 Summary小结:
Step 7 Homework
Period 2第二节
（一）明确目标
1. Develop the students reading ability, especially their reading comprehension.
2. Read the reading passage and know about
3. Enable the students to know the serious attitude to science.
（二）整体感知
Step 1 Presentation
Today we come to the Reading. It s about As we all know ,Benjamin Franklin is a famous politician．But today, we will read a passage about him as a scientist. His serious attitude to science .Let’s see how Franklin made his famous electricity experiment by flying a kite．
（三）教学过程
Step 2 Pre-reading discussions
We all know that it is the scientists’ great effort that makes the great achievement on science. Could you name some scientists’names? And what are they famous for? Try to
fill in the blanks of the following form, if you。Can’t, ask your classmate to help you．
Form: in the 18th & 19th centuries scientists all over the world made many important discoveries．
Give some example．
／Physics／Medicine／Chemistry／Biology
Answers to the exercises:
Some famous scientists are:
Archimedes: mathematics and physics: he discovered pi (π)
Darwin: biology: he discovered that the ancestors of people were monkeys
Curie: physics: she discovered radium and radio¬activity
Newton: physics: he discovered why all things fall down to earth.
Physics Medicine Chemistry Biology
√ Madame Curie √ Florence Nightingale √Watson & Crick √Beatrix Potter
(Radioactivity) (Pie charts) (DNA) ("seeds" of mushrooms)
√ Isaac Newton √ John Snow √Gay-Lussac √Charles Darwin
(gravity) (spread of disease) (Gas laws) (Evolution)
√ Lord Kelvin √ Louis Pasteur √ Mendeleev √ Carl Linnaeus
(lowest temperature) (germs) (Periodic Table of elements) (Naming plants)
Step 3 Reading
Read the text carefully again, and give the students some explanations.
Get the students read the test and then decide if the following statements are true (T) or false (F).
1．In 1752 scientists already knew what electricity is. ( )
2．Franklin was helped by a friend to do the experiment. ( )
3．Franklin made the kite of silk because wet silk does not conduct electricity.
4．A condenser was used in the experiment to store electricity.
5．The key tied to the string was put into the door to stop he kite from flying away.
参考答案
1．T 2．F 3．F 4．T 5．F
Read he passage and then find out the main idea．
Paragraph 1 Introduction of Franklin’s experiment．
Paragraph 2—3 The process Of the experiment．
Paragraph 4—6 The tip of doing the experiment．
Aim: To show that lightning and electricity are the same.
Materials: Some wooden sticks, a piece of silk, some rope, a very sharp piece of metal, a silk ribbon, a key, a condenser, a small shed, a thunderstorm with lightning.
Instructions: Paragraphs 5 and 6. Description: Paragraph 3.
Results: The electricity stored in the condenser can be used to do other Experiments, which proves that lightning and electric¬ity are the same.
Discussion: None.
Step 4 Listening to the reading passage
Play the tape for the students to listen and follow. Pay attention to the pro- nunciation and intonation.
Step 5 Post-reading
Answers to Exercise 1:
1 True 2 False 3 False 4 True 5 False
Suggested answers to Exercise 2:
1 He wanted to prove that lightning and electricity are the same thing.
2 A silk kite will last longer in bad weather than a pa¬per kite.
3 Yes. Franklin's experiment was very dangerous be¬ cause if something went wrong he could be killed by the lightning.
Answers to Exercise 3:
1 Incorrect 2 Correct 3 Incorrect 4 Correct
Extension 1 Franklin said, "You can collect and store the electricity with the condenser and use it for other experiments." Ask students what other kinds of simple experiments could be done using the electricity stored in the condenser. Benjamin Franklin conducted many experiments in his life. You might want your Ss to go on the Internet to find out what they were and report back to the class. '
（四）总结扩展
Step 6 Summary 小结
Step 7 Homework
Period 3第三节
（一）明确目标
1. Learn about the useful words and expression in the reading text.
2. Language ability: Learn one word formation—compounds．
3. Moral teaching work with perseverance.
（二）整体感知
Step 1 Presentation
In this class we’ll first go through the text and learn to use some language points. And then we’ll discuss the exercises together with each other. After having learnt many words, we find that some words have more than one part or speech or a meaning. For example, bank can lean not only the ground near a river, but also the establishment for keeping money . It is one factor of words and we may find that if some words are combined, a new word come into being. Today we’ll talk about these two phenomena.
（三）教学过程
Step 2 Language points in the reading text
1>Franklin conducted a number of experiments in which he showed what electricity is.
conduct [用法]vt.1. 引导,带领 2. 实施;处理;经营,管理
3. 指挥(军队,乐队等) 4. 【物】传导(热,电等)
[举例]He conducted the members of the audience to their seats. 他引观众到他们的座位上。
Most metals conduct electricity. 大多数金属能导电。
a number of [用法]见高一上册unit 12
2>Having realized that I could use a kite to attract lightning, I decided to do an experiment.
Having realized that...
[用法]现在分词的完成式做状语，这时，分词的动作往往先于主句谓语动词发生。
3>The kite flew high in the rainy sky, but nothing happened.
high [比较]highly 1. 非常,很,高度地 2. 高价地,高额地
[举例]They are highly skilled workers. 他们是技术很好的工人。
4>I was beginning to think that the experiment would not work.
work [用法]见高一上册unit 1; unit 12
5>The string was getting charged.
charge [用法]vt.1. 索价; 2. 把...记入账册 3. 向...冲去,袭击 4. 将(电池)充电
vi.1. 索价;收费(+for) 2. 冲锋,向前冲(+at)
n.1. 费用,价钱,索价[C](+for) 2. 掌管;照顾;责任[U]
[举例]This store often charges only 65 US cents a dozen for large eggs.
一打大鸡蛋在这家店里常常仅卖六十五美分。
Please charge my account. 请记在我帐上。
The lion charged at those little animals. 狮子向那些小动物冲了过去。
The charge for admission is US$5. 入场费五美元。
6>Others followed even before the whole string was wet, and I was able to collect and store a lot of electricity in the condenser.
was able to [思考]这里的was able to是否可以用could来替代？
7>This experiment proves that lightning and electricity are the same.
prove [用法]vt.证明,证实[+(that)] vi. 证明是;原来是[L]
[举例]I ll prove to the world that he was right. 我将向世人证明他是对的。
The rumor proved true. 这谣传结果是真的。
My advice proved to be wrong. 我的意见证明是错的。
8>Most kites are made of paper, but a kite made of silk will not tear so soon.
tear [用法]vt./vi. 撕开;扯破;撕掉
[举例]He has torn a hole in his shirt. 他把衬衫扯了一个洞。
She tore the letter into tiny pieces. 她把信撕得粉碎。
9>First, fix a very sharp piece of metal, pointing a foot above the frame, to the top of the longer stick of the cross.
fix [用法]vt.1. 使固定;牢记 2. 确定;决定(+up)[+wh-][+to-v]
[举例]Her image was fixed in his mind. 她的形象深深印在他的脑海里。
Shall we fix a date for the picnic? 我们定一下野餐的时间好吗?
10>This ribbon will protect you from the electricity.
protect...from... [用法]保护...免受（伤害等)
11>Take care that the string does not touch the wall or the door.
Take care that... [用法]a.1. 有(...的)价值,值... 2. 值得(做...)
[联想]Take care! 保重! take care of 照顾
Step 3 Practice: Vocabulary
Come to the word study, and finish the work.
Let the students think more examples of words that have more than one meaning. Then make a conclusion to help them to decide word meaning in a specific situation.
Word number of correct sentence
charge 3 conduct 2 cross 1 sharp 2 tear 1 tie 3
Step 4 Practice: Grammar
Come to grammar, and finish to exercise.
Talk about the word formation, especially compounds. And the noun compounds and adjective compounds.
Word formation
Compounds are mainly nouns or adjectives that are made up of two parts. These parts can be other nouns, adjec¬tives or prepositions.
1 foot + ball = football
2 shoe + string / lace = shoestring / shoelace
3 ice + cream = ice cream
4 green + house = greenhouse
5 down + town = downtown
6 sea + food = seafood
A few more examples:
1 play + ground = playground
Part 1 Something you do in your free time
Part 2 What is under your feet
2 gate + keeper = gatekeeper
Part 1 The way into a park or yard
Part 2 Someone keeping or taking care of some¬thing
3 motor + bike = motorbike
Part 1 Part of the car that makes the power to move
Part 2 Two wheels + a saddle + a bell
4 black + board = blackboard
Part 1 The opposite of white
Part 2 A flat and smooth piece of wood
5 table + tennis = table tennis
Part 1 A piece of furniture with four legs
Part 2 A game played by hitting a small ball over a net in a field of grass
（四）总结扩展
Step 5 Summary
Have we ever tiled to make snacks or seen our mother make snacks. Let’s try to write the recipe for your favorite dish. Before writing, you should read Tips first.
Step 6 Homework
Period 4 第四节
（一） 明确目标　
1. Review the language points learnt last period.
2. Train the students reading and speaking ability by making a debate after reading the material.
3. Do some writing to develop the students writing skill.
(二) 整体感知
Step 1 Presentation
With the development of medical science, more and more new medicines come into being. But do you know that there are some animal’s contribution to the coming of the new medicine. Because each new medicine must be tested on animals before it is used on human being to decide whether the new medicine can be used. And then many animals die in this kind of experiment every year. So it brings a heated argument. Some are against. Today we will also take part in this debate.
（三）教学过程
Step 1 Question the students on some language points
Step 2 Integrating skills
Read the arguments listed in the textbook. And think it over to decide whether the students are for this kind of animal test. Try to make your opinion solided.
From some groups to debate with each other. Choose some groups to act it out before the class.
Step 3 Listening to the Passage
Step 4 Reading comprehension
After fast reading, do the following True-or-False exercises.
Sample persuasive essays:
For testing:
WHERE WOULD WE BE
WITHOUT NEW DRUGS?
Animal testing is used to develop new medicines to meet the needs of a growing number of older people. These medicines are helping us to live longer and healthier lives. But some activists are trying to change the way we think about new medicines. They are against the use of animals to test these drugs and believe such testing is unnecessary.
Scientists who work in medical labs know from ex¬perience that there is a very high chance that medicines that work with animals can also work with people. Some¬times mice are used to begin the experiment, then later dogs and monkeys. Finally, when the scientists are al¬most sure about the safety of their new medicines, they will ask for humans to help to test them. As we can see, animal testing is a practical, necessary part of the pro¬cedure.
However, some people are against animal testing. They believe that it is unnecessary to use animals in testing new medicines because doctors can use knowl¬edge that was gained from experiments in the past. These activists also say animals have the same rights as hu¬mans. But what if someone in our family has cancer and our doctor says a new drug might make them bet¬ter? Do you really think we will care what happens to a mouse?
Some kinds of animal testing on products that make us look better, like skin creams, may really be unneces¬sary. Yet doctors have a duty to continue to improve the lives of humans first.
Against testing:
STOP THE USE OF ANIMALS NOW!
Every year hundreds of new products are offered for sale in shops. Soap with the smell of watermelons, peach or apples. There will be new food products with funny new colours, smells and tastes. All these new products look beautiful and they taste or smell wonderful. But can you really enjoy using them if you about all the suf¬fering behind them?
Animal testing has helped doctors to develop medi¬cines against many diseases. But is it really necessary to continue developing new drugs for illnesses for which we have already found a cure. For some simple diseases such as a cough or a headache, you can go to a shop and find maybe forty or fifty different brands. All these medi¬cines have been tested on animals and thousands of them suffered pain and died or were destroyed. Why can't people be happy to have a choice of two or three good medicines that cure a disease?
Although animal testing is not as cruel as it used to be, that does not mean we have the right to use animals in experiments. We don't have the right to use humans in experiments because we think human life is of great value and humans feel pain. But so do animals, and their life is just as important as that of people. Enough is enough. Animal experiments should be stopped now!
Assessment criteria:
For assessment criteria for organisation, vocabulary, lan¬guage use and basics, please refer to the Appendix about writing assessment.
For the content, the students' writing could be assessed using the following criteria:
Does the essay have a clear title that immediately con¬veys the opinion of the writer?
Does the writer give both arguments for and against animal testing?
Does the writer successfully make the reader feel that we need animal testing?
Does the writer successfully make the reader feel that animal testing is cruel?
Does the writer give enough examples that show that animal testing is beneficial?
Does the writer give enough examples that show that animal testing is unnecessary?
Does the writer give enough examples of products and situation in which animals are used?
Three more examples for each group:
1 Compounds that are written as two words: toy fac¬tory, washing machine, apple tree.
2 Compounds that are written as one word: handmade, gunfight, goldfish.
3 Compounds that are written with a hyphen: window¬ cleaner, easy-going, boat-ride.
Give the students some explanations when necessary.
Step 5 Writing
　Generalize the students’ opinions and give them the instruction of writing an argumentive essay.
Talk about the advantage and disadvantage of building the three Gorge Dam.

（四）总结扩展
Step 6 Necessary language points
Today we ve done some listening and speaking, and learn how to give advice and some everyday English used between doctors and patients.
1>In Britain every year 2.5 million animals die in experiments to develop and test new medicine.
test [用法]vt.1. 试验;检验;测验(+for/in/on)
[举例]The doctor tested his ears. 医生检查他的耳朵。
The teacher will test us in maths. 老师将测验我们数学。
2>There is no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of.
doubt [用法]vt. 怀疑;[+whether/if][+that]
n. 1.怀疑,不相信[C][U][(+about)][+whether/if]; 2. 疑问,不确实[U]
[举例]There is no doubt about his innocence. 他完全是无辜的。
3>Choose two arguments from the reading to support your view.
view [用法]n.1. 视力;视野[U] 2. 观看;眺望[(+of)]
3. 景色;风景画,风景照片[C] 4. 看法,观点[C][+(that)][(+about/on)]
[举例]Victory is in view. 胜利在望。
She tried writing out her views. 她试着把自己的想法写下来。
4>Choose one or two arguments that go against your view.
go against [用法]1. 违背 2. 不利于
[举例]She went against her father. 她违背她父亲。
The war is going against us. 战争的局势对我们不利。
Step 7 Homework
Period 5 第五节
（一）明确目标
1. Do some listening to improve the students listening ability.
2. Making simple dialogues to train the students speaking ability.
（二）整体感知
Step 1 Presentation
Today we come to the Workbook and do the listening comprehension and also do some talking practice.
（三）教学过程
Step 2 Listening comprehension
LISTENING TEXT
London has many museums. The British Museum is the oldest public museum in the world. It has a famous li¬brary where many great writers and scientists studied and wrote their books. The museum is opened daily from 10:00 o'clock in the morning till 5:30 in the afternoon, and until 8:30 on Thursdays and Fridays. It is closed from 24 to 26 December, 1 January and Good Friday every year. The British Museum is free to all visitors.
If you are interested in nature and natural disasters, you can visit the Natural History Museum. The museum shows information about the animal world and our en¬vironment. You can go to the Earthquake Experience, and feel what it is like to be in an earthquake. In another part of the museum you can learn about the story of our planet. You can hear the roar of a dinosaur, see their eggs and bones and learn more about the development of life on earth. The museum is open every day, includ¬ing Sundays, but is closed on 24-25 December. On week¬days the opening hours are from 10 am till 5:30pm, while on Sundays the museum opens at eleven. Tickets are free.
If you are more interested in science, you may want to visit the Science Museum. Here you will find all about science. You can see the first aeroplanes. They also have the American space capsule that made the first flight around the moon. Tickets for the Science Museum are now free for everyone! The Science Museum is open seven days a week, from 10:00 to 18:00. The museum is closed from 24 to 26 December.
Answers to Exercise 1:
1 The British Museum is very famous because it is the oldest public museum in the world and has a library where many great writers and scientists wrote their books.
2 The Natural History Museum is a museum about nature and the environment.
4 In the Science Museum you can see the first aeroplanes and the American space capsule that made the first flight around the moon.
Answers to Exercise 2:
The opening hours of the museums during the weekend are as follows. (BM = British Museum; NM = Natural History Museum; SM = Science Museum.
BM NM SM
Friday 10:00 - 20:30 10:00 - 17:30 10:00 - 18:00
Saturday 10:00 - 17:30 10:00 - 17:30 10:00 - 18:00
Sunday 10:00 - 17:30 11:00 - 17:30 10:00 - 18:00
Answers to Exercise 3:
BM NM SM
Ticket price Free Free
Days closed 24, 25, 26 December, 1 January,
Good Friday 24 and 25 December 24, 25, 26 December
Step 3 Talking practice
You are in a thunderstorm
Dos Don'ts
√If you are outdoors, go home or to a safe place as quickly as possible. √ Don't shelter in small buildings.
√ Stay indoors if you are at home. √ Don't shelter under trees that stand alone.
√Take shelter in a big building. √Don't use the telephone.
√ Close the windows if you are in a car. √ Don't use electrical machines.
√ Keep your body low to the ground. √ Don't take a bath or shower.
√ Make yourself as small as possible. √ Don't use the air conditioner.
Physics experiment
Dos Don’ts
√ Be on time before the experiment starts.
√ Carefully follow all instructions.
√ Pay attention to safety both of yourself and others.
tI' √Check all instruments before starting to see if they are OK.
tI' √When the experiment is over, the students should put the instru¬ment in order.
√ Keep the lab clean. √ Don't touch the instruments before the experiment starts.
√Don't leave the lab without the teacher's penmsslon.
√ Don't take anything from the lab.
Hiking t rip
Dos Don’ts
√ Wear good shoes and clothes.
√ Bring a backpack.
√Tell someone where you are going.
√ Bring water and a map.
√ Watch out for dangers such as snakes.
√ Wear a hat.
√ Bring a cellphone. √ Don't go alone.
√ Don't take unsafe roads.
√ Don't put your life in danger.
√ Don't go on if you aren't feeling well
Chemistry experiment
Dos Don'ts
√ Keep chemicals and instruments in order.
√ Keep quiet in the lab.
√ Keep the instruments clean and dry.
√ Put away all instruments when the experiment is over.
√ Shut the windows, turn off the lights, tap and gas and
lock the door before leaving the lab.
√ Save water, electricity and chemicals.
√ Take good care of the instruments and other items in the lab.
√ Don't speak loudly.
√ Don't walk around if you don't have to.
√ Don't touch instruments unless you know how to use them.
√ Don't take the instrument apart.
√ Don't be late for the experiment.
√ Don't leave class without the teacher's permission.
Step 4 Sample talking
Step 5 Summary 小结
Step 7 Homework
Period 6 第六节
（一）明确目标
1. Discuss all the answers to the exercises in the Workbook.
2. Learn to use the grammar knowledge
3. Further develop the students’ writing skills.
（二）整体感知
Step 1 Presentation
In the class
（三）教学过程
Step 2 Vocabulary
Answers to Exercise 1:
1 wheelchair 2 storeroom 3 framework 4 drugstore 5 key ring
Answers to Exercise 2:
1 economy 2 comfortable 3 electric 4 fasten 5 conclusion 6 conduct 7 activities
Answers to Exercise 3:
1 Franklin's kite experiment showed that lightning and electricity are the same.
2 Some people think that the threat that nuclear energy forms to the environment weighs much more than the good it does for society.
3 A light electric shock does no harm to the human body, but a strong one can kill.
4 There was a great deal of talk about the scientist's family life.
5 How can you prove that you didn't do it?
6 The wheel, one of the earliest inventions, still plays an important role in human activities.
7 Linda was so angry that she tore the letter into pieces and threw them into the dustbin.
8 British law says that every new drug must be tested on at least two different kinds of animals.
Step 3 Grammar
Answers to Exercise 1:
n.+n.n. adj. + n. n adj. + n. _ adj. prep. + n. _ adj..
cupboard spaceship best-seller halfway outdoor
doorbell sunglasses loudspeaker part-time outside
sales girl workplace mainland second-hand underground
baseball schoolyard greenhouse upstairs
farmland moonlight undersea
'! I teamwork seafood
keyboard
Answers to Exercise 2:
I undersea _ seafood
2 wheelchair _ chairman _ man-made
3 high school _ schoolboy _ boyfriend _ friend¬ship
4 homework _ workbook _ bookshop _ shop win¬dow _ window shopping
5 greenhouse _ housework _ workday _ daytime –timetable-- tabletennis
Answers to Exercise 3:
Albert Einstein, the greatest scientist of the 20th cen¬tury, ( ) famous for his Theory of Relativity (相对论). He was born in German, but he took the American na¬tionality. He began to study in Switzerland when he was seventeen. He takes a doctor's degree and later won the Nobel Prize for Physics. In 1933, he and his family left Europe to the USA. He worked at a university as a Pro¬fessor of Physics. However he was very famous, he lived a simple life. He took no interest to money. He often gave lectures for free. All through his life he liked not only physics, but also music. It ( ) said that in music he found the peace that were missing from a world full of war and killing.
1 is 2 Germany 3 took 4 for 5 Although 6in 7 is / was 8 was
Step 4 Integrating skills
We have learnt how to give advice. Now let’s try to write letters giving advice. Here in our textbook there are letters asking for some advice. Read them quickly, then write down four pieces of advice for each of them using "had better (not) , "ought (not) to or should (not) .
Many students like having snacks. Is the habit good or bad? Let s read “Snacks".

Step 5 Listening to the Passage
Step 6 Reading comprehension
After fast reading, do the following True-or-False exercises.
Answers to the questions:
1 Brown ink is a mix of different colours of ink. When separating these colours, they suddenly come out. When we could not see them, it seems as they were "hidden colours".
2 The colour green is made by mixing yellow and blue. The colour orange is made by mixing red and yel¬low. The colour purple is made by mixing red and blue.
3 The water should not touch the ink dot because then the ink would get into the water, and the results of the experiment would not be clear.
4 If the experiment does not work, and the ink does not "travel" up the paper strip then there can be two reasons:
1 The ink from the markers does not go up with the water. (The ink is not water soluble). '
2 The paper is not good for this experiment (The paper either does not let the water through or lets the water through too fast.)
5 The police can use this technique by separating liquids such as blood or urine to check whether they contain drugs or poison.
Step 7 Sample writng

（四）总结扩展
Step 5 Summary
Have we ever tiled to make snacks or seen our mother make snacks. Let’s try to write the recipe for your favorite dish. Before writing, you should read Tips first.
4. Workbook
1>He was born in Germany, but later took on the American nationality.
take on [用法]1. 穿上;呈现 2. 承担 3.吸收;获得
[举例]The insect can take on the color of its surroundings. 这种昆虫能随环境而变色。
He is unwilling to take on heavy responsibilities. 他不愿承担重任。
2>The following simple experiment is used to separate different liquids.
separate [用法]见高一上册 unit 3
is used to separate [用法]被用来做...,详见高一上册 unit 11
3>It is the technique that can be used by the police to find out whether people have used drugs or not.
It is the technique that...
[用法]强调句型,详见高一上册 unit 2; unit 6
the police [用法]警察,警方,常用做复数含义.
Step 7 Homework
Period 7 第七节
1． 检查本单元单词、短语及相关句型。
2． 讲评统一布置的课外基础练习。

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