必修5 Unit 1 Great Scientists Using language 课件（28张PPT）
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| 名称 | 必修5 Unit 1 Great Scientists Using language 课件（28张PPT） |  | |
| 格式 | ppt | ||
| 文件大小 | 579.0KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2021-11-12 16:54:26 | ||
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文档简介
(共28张PPT)
Unit 1
Great scientists
What scientific conclusion can we draw from the last sentence of the poem
We can draw the conclusion that the earth is round.
Nicolaus Copernicus
born: in Poland in 1473
died : May 24, 1543
He was one of the first scientists to use mathematical calculations to collect information.
Skim the text and draw the two theories of the
universe with the following pictures.
Sun
earth
Before Copernicus’ theory Showing Copernicus’ theory
Reading and drawing
Sun
earth
Before Copernicus’ theory Showing Copernicus’ theory
Sun
earth
earth
Sun
What is the problem of the theory that the earth is
the center of the universe
What did Copernicus do with the problem
If I have been able to see further, it was only because I stood on the shoulders of giants.
---- Isaac Newton
小彩旗在春晚上一转成名。
有些学生写的句子是说不通的。/
老师看不懂有些学生写的句子。
总统的道歉被民众驳回，并被要求下台(resign).
作为一个有责任心的网民netizen，我们在网上
要谨言慎行，以防无辜的人受伤。
Read the text carefully, then answer these questions
Careful reading
Because the powerful Christian Church would have punished him for even suggesting such an idea
2. What was his theory about (Para 1)
All his mathematical calculations led to the same conclusion: that the earth was not the centre of the solar system. Only if you put the sun there did the movements of the other planets in the sky make sense.
1. Why could he not tell about his theory (Para 1)
3. What had the astronomers noticed in the sky (Para 2)
They had noticed that some planets in the sky seemed to stop, move backward and then go forward in a loop. Others appeared brighter at times and less bright at others.
4. When did Copernicus complete his theory (Para 3)
Between 1510 and 1514 he worked on it,
gradually improving his theory until he felt it
was complete.
5. How did he explain changes in the movement of the
planets and in the brightness of the stars When did he
publish his idea (Para 4)
He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth. He also suggested that the earth was spinning as it went round it and this explain changes in the movement of the planets and in the brightness of the stars.
He published his idea as he lay dying in 1543.
6. Why do people think that there is a direct link between his ideas and the work of Isaac Newton, Albert Einstein and Stephen Hawking
Because his theory is now the basis on which all our ideas of the universe are built.
◆ Only if you put the sun there did the movements of the other planets in the sky .
=
The movements of the other planets in the
sky made sense only if you put the sun there.
“Only + 副词 /介词短语/状语从句” 位于句首,
句子要倒装。
make sense
e.g.
1) Only if your identity has been checked, _____.
A. you are allowed in
B. you will be allowed in
C. will you allow in
D. will you be allowed in
2) Only then did I realize the importance of
knowledge.
3) Only in this way can we work out the maths
problem.
D
◆ make sense 有意义，有道理，说得通
1）What you say makes no sense.
2) Can you make sense of this poem
你说的话没有道理。
你看得懂这首诗吗？（理解或弄懂）
What’s Copernicus’ attitude towards his own theory
frightened, confused, cautious
Confident/ believe in himself
If you were Nicolaus Copernicus, would you have hidden your theory for so many years Why or why not
Was he cautious or coward
◆ As a scientist, one should be brave. But
Copernicus was afraid of being
attacked by the Christian Church. So
he had hidden his theory for so many
years. What do you think of this
Agree
1. He was cautious. if he had published his ideas,
he would have been killed just as Bruno who
was burned to death because his theory was
against the Christian Church.
2. Every time when a new idea appears, there
are always rejections. It’s normal. Scientists
should have patience to spread their truth.
3. It made no sense for him to publish his
theory in a hurry. He was just cautious not
coward. He should protect himself first.
Disagree
1.Copernicus was very coward. He should speak
out his discovery and let the world know the
truth earlier.
2.Science can never advance unless people
have the courage of their beliefs.
3.As a scientist, you must have the courage to
publish your findings. No matter how people
oppose them, time will show if your ideas are
right or wrong.
Write a short letter asking Copernicus (not) to publish his ideas so everyone can read them
Writing
Persuasive writing
Please refer to P8 Learning Tip.
Now write a short letter asking Copernicus to publish his ideas so everyone can read them.
First you need to collect your ideas. For example:
He believes his new theory is true.
There are problems with the present theory.
He has done many years of observations to
prove his new theory is true.
Science can’t develop unless people publish
their ideas.
Time will show if his theory is true or not.
Here is a plan:
Beginning: Tell Copernicus who you are and
why you want him to publish his ideas.
Paragraph 1: Reason 1 and evidence.
Paragraph 2: Reason 2 and evidence.
Summing up: Ask him to think again about
publishing his ideas.
One possible version
Dear Nicolaus Copernicus,
I am a student studying astronomy and I would very much like to read your new theory about the solar system. I hope you will publish it for several reasons.
I understand the problems with the present theory. The way the planets move is not what you would expect if the earth was the centre of the universe. It is also odd that the brightness of some stars seems to change. So I agree with you that we need a new theory.
I know your observations have been very carefully carried out over many years. Now you must have the courage to publish them. Science can never advance unless people have the courage of their beliefs. I know you worry about what will happen if you publish your new theory. No matter how people oppose it, time will show if your ideas are right or wrong.
So I hope you will feel you can publish your new theory.
Yours sincerely,
Zhang Hua
Surf the Internet and get more information about Copernicus. http://www./Literature/Biographies/Science/Copernicus.htm
Finish your “reading task” and “writing task” after class.
Revise the whole unit.
Finish “Summing up”.
Unit 1
Great scientists
What scientific conclusion can we draw from the last sentence of the poem
We can draw the conclusion that the earth is round.
Nicolaus Copernicus
born: in Poland in 1473
died : May 24, 1543
He was one of the first scientists to use mathematical calculations to collect information.
Skim the text and draw the two theories of the
universe with the following pictures.
Sun
earth
Before Copernicus’ theory Showing Copernicus’ theory
Reading and drawing
Sun
earth
Before Copernicus’ theory Showing Copernicus’ theory
Sun
earth
earth
Sun
What is the problem of the theory that the earth is
the center of the universe
What did Copernicus do with the problem
If I have been able to see further, it was only because I stood on the shoulders of giants.
---- Isaac Newton
小彩旗在春晚上一转成名。
有些学生写的句子是说不通的。/
老师看不懂有些学生写的句子。
总统的道歉被民众驳回，并被要求下台(resign).
作为一个有责任心的网民netizen，我们在网上
要谨言慎行，以防无辜的人受伤。
Read the text carefully, then answer these questions
Careful reading
Because the powerful Christian Church would have punished him for even suggesting such an idea
2. What was his theory about (Para 1)
All his mathematical calculations led to the same conclusion: that the earth was not the centre of the solar system. Only if you put the sun there did the movements of the other planets in the sky make sense.
1. Why could he not tell about his theory (Para 1)
3. What had the astronomers noticed in the sky (Para 2)
They had noticed that some planets in the sky seemed to stop, move backward and then go forward in a loop. Others appeared brighter at times and less bright at others.
4. When did Copernicus complete his theory (Para 3)
Between 1510 and 1514 he worked on it,
gradually improving his theory until he felt it
was complete.
5. How did he explain changes in the movement of the
planets and in the brightness of the stars When did he
publish his idea (Para 4)
He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth. He also suggested that the earth was spinning as it went round it and this explain changes in the movement of the planets and in the brightness of the stars.
He published his idea as he lay dying in 1543.
6. Why do people think that there is a direct link between his ideas and the work of Isaac Newton, Albert Einstein and Stephen Hawking
Because his theory is now the basis on which all our ideas of the universe are built.
◆ Only if you put the sun there did the movements of the other planets in the sky .
=
The movements of the other planets in the
sky made sense only if you put the sun there.
“Only + 副词 /介词短语/状语从句” 位于句首,
句子要倒装。
make sense
e.g.
1) Only if your identity has been checked, _____.
A. you are allowed in
B. you will be allowed in
C. will you allow in
D. will you be allowed in
2) Only then did I realize the importance of
knowledge.
3) Only in this way can we work out the maths
problem.
D
◆ make sense 有意义，有道理，说得通
1）What you say makes no sense.
2) Can you make sense of this poem
你说的话没有道理。
你看得懂这首诗吗？（理解或弄懂）
What’s Copernicus’ attitude towards his own theory
frightened, confused, cautious
Confident/ believe in himself
If you were Nicolaus Copernicus, would you have hidden your theory for so many years Why or why not
Was he cautious or coward
◆ As a scientist, one should be brave. But
Copernicus was afraid of being
attacked by the Christian Church. So
he had hidden his theory for so many
years. What do you think of this
Agree
1. He was cautious. if he had published his ideas,
he would have been killed just as Bruno who
was burned to death because his theory was
against the Christian Church.
2. Every time when a new idea appears, there
are always rejections. It’s normal. Scientists
should have patience to spread their truth.
3. It made no sense for him to publish his
theory in a hurry. He was just cautious not
coward. He should protect himself first.
Disagree
1.Copernicus was very coward. He should speak
out his discovery and let the world know the
truth earlier.
2.Science can never advance unless people
have the courage of their beliefs.
3.As a scientist, you must have the courage to
publish your findings. No matter how people
oppose them, time will show if your ideas are
right or wrong.
Write a short letter asking Copernicus (not) to publish his ideas so everyone can read them
Writing
Persuasive writing
Please refer to P8 Learning Tip.
Now write a short letter asking Copernicus to publish his ideas so everyone can read them.
First you need to collect your ideas. For example:
He believes his new theory is true.
There are problems with the present theory.
He has done many years of observations to
prove his new theory is true.
Science can’t develop unless people publish
their ideas.
Time will show if his theory is true or not.
Here is a plan:
Beginning: Tell Copernicus who you are and
why you want him to publish his ideas.
Paragraph 1: Reason 1 and evidence.
Paragraph 2: Reason 2 and evidence.
Summing up: Ask him to think again about
publishing his ideas.
One possible version
Dear Nicolaus Copernicus,
I am a student studying astronomy and I would very much like to read your new theory about the solar system. I hope you will publish it for several reasons.
I understand the problems with the present theory. The way the planets move is not what you would expect if the earth was the centre of the universe. It is also odd that the brightness of some stars seems to change. So I agree with you that we need a new theory.
I know your observations have been very carefully carried out over many years. Now you must have the courage to publish them. Science can never advance unless people have the courage of their beliefs. I know you worry about what will happen if you publish your new theory. No matter how people oppose it, time will show if your ideas are right or wrong.
So I hope you will feel you can publish your new theory.
Yours sincerely,
Zhang Hua
Surf the Internet and get more information about Copernicus. http://www./Literature/Biographies/Science/Copernicus.htm
Finish your “reading task” and “writing task” after class.
Revise the whole unit.
Finish “Summing up”.