Unit 1 Great scientists 高二必修 5. There are some great scientific achievements that have changed the world. Can you name some of them? What kind of role.

Unit 1 Great scientists

高二必修 5

There are some great scientific achievements that have

changed the world. Can you name some of them? What kind

of role do they play in the field of science ? Do these

achievements have anything in common? Match the

inventions with their inventors below before you answer all

these questions.

Warming Up:

Alexander Bell electricity

Thomas Edison the First telephone

Laite Brothers the electric Lamp

Madame Curie black holes in Universe

Franklin Theory of Gravity

Steven Hawking the First Plane

Elbert Einstein Radium

Isaac Newton the Theory of Relativity

Quiz Questions (P1)

阿基米德 (Archimedes) Charles DarwinThomas Newcomen

Gregor Mendel

Marie Curie

Thomas Edison

Leonardo da Vinci Humphry Davy

张衡

Stephen Hawking

Pre-reading:

Pair work:

Task 1.What do you know about infectious diseases?

Task 2. What do you know about cholera?

While-reading:

John Snow Defeats King Cholera

1.What does the title imply?

2.Predict what the text is about after reading the title and the first paragraph.

3.Guess what kind of person John Snow was by analyzing the key words in the first paragraph.

While-reading:Questions

1. What do you know about Dr. John Snow’s being well-known in London?(He attended Queen Victoria to ease the birth of her babies.).

2. From what disease did Londoners suffer in his age?(They exposed themselves to cholera.).

3. When did Dr. Snow think the disease would be controlled?

(He knew he would never be controlled until its cause was found.)

4. What was the second theory explaining how the disease killed people?

(People absorbed this disease into their bodies with their meals.)

5. Did the map which Dr. Snow draw help find the cause of the disease?

(The map gave a valuable clue about the cause of the disease.)

6. What did Dr. Snow think was responsible for the disease?

(It seemed the water was to blame.)

7. What did Dr. Snow advised the people in Broad Street do?

8.What else did Dr. Snow find in another part of London that were linked to the Broad Street outbreak?

(In addition, he found 2 other deaths.)

9. What conclusion did Dr. Snow tell the public?

(He announced that polluted water carried the disease.)

10. What did Dr. Snow tell the water companies?

(They were instructed not to expose people to polluted water anymore.)

Post-reading:

Work in groups of four and discuss the following questions:

1).What should you do if you're traveling to a country that has a cholera outbreak according to Snow’s theory?

2.) What spirit can we find in John Snow? As a student, what should we learn from him?

While-reading:

Scanning:

1. Read the passage and try to put the correct stages into the reading about research into a disease.

A. draw a conclusion B. think of a method

C. collect results D. make up a question

E. find a problem F. analyse the results

G. find supporting evidence H. repeat if necessary

Keys: E→D→B→C→F→G→A

Period 2 Comprehending & learning about language.

1. Task 1  Fill in the chart after reading the passage.

Scientific report by John Snow

The problem

The cause Idea 1:

Idea 2:

The method

The results

Idea 1or 2? Why?

The conclusion

2.Read the passage again and answer these questions.

1). Cholera was a 19th century disease. What disease do you think is similar to cholera today?

2). John Snow believed Idea 2 was right. How did he finally prove it?

3). Do you think John Snow would have solved this problem without the map? Give a reason.

-- Look at the excited boy!

Why

is he so happy?

-- He has got the first prize in

the contest.

-- No wonder he is excited!

Discovering useful structures

Past Participle as the Predicative

Example:

But he became inspired when he thought about helping ordinary

people.

More examples:

He got interested in two theories explaining how cholera killed

people.

Neither its cause, nor its cure was understood.

•过去分词作表语一般用来表示感受或状态（系动词 + 过去分词 )

No wonder he is excited! (predictive)

可以用作表语的常见的过去分词有：delighted, disappointed, upset,

astonished, excited, frightened,

experienced, interested, qualified,

puzzled, exhausted, satisfied

Past Participle as the Attribute

Examples:

So many thousands of terrified people died.

Doctor John Snow was a well-known doctor in London.

John Snow told the astonished people in Broad Street.

•过去分词作定语： 1. 分词可以用作前置定语，此时，分词和名词之间有两种语意关系：一种是分词表示主动（但时间上已经过去）；一种是分词表被动。 He is a retired worker.

他是一个退休工人。 This is a newly-developed device.

这是一个新开发的工具。

2. 过去分词作后置定语时，其功能当于一个定语从句。1) But he became inspired when he thought about

helping ordinary people exposed to cholera.

2) With this evidence John Snow was able to announce

with certainty that polluted water carried the disease

过去分词短语有时亦可用作非限制性定语，前后常有逗号。 Some of them, born and brought up in rural

villages, had never seen a train.

他们当中有一些人 , 生长在农村，从未见过火车。

Period 3 Listening and speaking

神舟 6号

神舟 6号 费俊龙聂海胜被授予英雄航天员荣誉称号

神舟 6号

Qian Xuesen, who has made great

contributions to the development of

China’s space industry, is one of the best-

known scientists in China. His work has

been very important for the development

of China.

Listen to the tape and fill in the blanks.

Astronomer stars Mars

Space industry rocket engineer

America China design

Build space flight satellites

Land astronaut picture

Father hero grades

Answer the questions

1.What did Qian Xuesen study first?

2.What experience did he get in America that was very useful for China?

Qian Xuesen first studied to be an engineer.

In America he began to work on space rockets so that he was able to develop a space programme when he came back to China.

3.What was Qian Xuesen's achievement

when he returned to China from

America?

When Qian Xuesen returned to China he set up a Space

Institute to begin training people in how to design and build

rockets.

4. How has he been honored in China?

In China he has been honored as “the father of the space

programme”.

5. How would Steve honor him?

Steve Smith suggested putting

QianXuesen's picture on Mars when the first Chinese

astronaut lands there.

Period 4 Reading ,writing and learning tips

Copernicus

Pre-reading

We know the first scientist is Copernicus. He was one

of the first scientists to use mathematical observations

to collect information. He believed the sun is the

center of the universe and the earth and other planets

went around it. The chart on P.7 shows his theory.

Copernicus’ Revolutionary Theory

Birth: February 19, 1473

Death: May 24, 1543

Place of Birth: Toruń, Poland

Career:

1491-1494 Studied mathematics at Kraków Academy

1496 Went to Italy to study astronomy and law at the University of Bologna

1497 Began observations of the Sun, Moon, and planets

1514 Wrote Commentariolus, an outline of his astronomical ideas, but did not circulate it

widely

1543 Published De Revolutionibus Orbium Coelestium (On the Revolutions of the

Celestial)

Read the passage and find the experiences of Copernicus:

Read through the passage, and tell whether the following statements are true or

false.

1. At Copernicus’ time, Christian Church was in charge of many western

countries.

2. Copernicus noticed that observed from the earth, some planets appears in

front of or behind the earth.

3. Copernicus didn’t show his new theory to his friends until he completed it.

4. His friends were not interested in his ideas.

5. Since he was not afraid of being attacked by the Church, Copernicus

published his book as soon as he finished working on it.

6. Newton, Einstein, and Hawking are all scientists who made contribution

to the study of the universe.

T

FT

FF

T

Read carefully and try to draw the two theories of the universe.

Before Copernicus’ theory Showing Copernicus’ theory

The Earth was stationary at the center of the solar system, and the Sun and planets revolved around it.

The Sun is stationary at the center of the solar system, and the Earth and the other planets orbit around it.

Analyze the following picture carefully and try to explain how a loop is formed.

Reading task on P45

“Seven Bridges of

Konigsberg” and the

famous “Euler path”.

Skimming:

What’s Euler’s puzzle?

Scanning:

How did Euler prepare for his research?

What are the theories?

Look at the following pictures and draw a conclusion:

Conclusion

Euler’s theory (一笔画 )

可以一笔画只有两种情况： 1. 没有奇数顶点。 2. 只有两个奇数顶点。 如对此问题有兴趣的同学可登录： http://www.e-mu.cn/bbs/index.php

Discussion What qualities make a good scientist?

祝同学们学习愉快！