内容正文:
Unit1
Science and Scientists
Name some famous scientists you know and tell something about them.
1
IBAOTU
Lead-in:Who is she?
Clues:
She is the first woman to win the Nobel Prize.
She discovered radium(镭)and polonium(钋).
Nothing in life is to be feared. It is only to be understood.
生活中没有什么可怕的东西,只有需要理解的东西。
She is Marie Curie.
2
IBAOTU
Lead-in:Who is he?
Clues:
He is considered (to be) the greatest scientist in the 20th century.
He is famous for the Theory of Relativity
(相对论).
Imagination is more important than knowledge.
想象力比知识更重要。
He is Albert Einstein.
3
IBAOTU
Lead-in:Who is he?
Clues:
She is a famous chinese doctor who saved many people’s lives.
She discoverd artemisinin and won the Nobel Prize for Physiology orMedicine in2015
The honor is not just mine. There is a team behind me, and all the people of my coutry
荣誉不是我一个人的,我的背后有一个团队和所有中国人民。
She is Tu youyou.
4
Pre-reading
John Snow Defeats “King Cholera”
Who ?
How ?
What ?
The text is mainly about ____________ and _______ he defeated king cholera.
John Snow
how
scientific research
Prediction
understand the questioning mind
Reading and Thinking
我们
analyse the results
ask a question
draw a conclusion
collect data
find a problem
find supporting evidence(找到有力证据)
think of a method
1.Look at the following stages of scientific research. What order would you put them in?
7
1. Discuss the following stages of scientific research in groups. What order would you put them in?
Stages of Scientific Research
______ analyse the results ______ ask a question
______ draw a conclusion ______ collect data
______ find a problem ______ find supporting evidence
______ think of a method
Para1
Para 2
Para 4
Para 5
John Snow desired to destroy cholera.
John Snow decided to prove the second theory.
Snow began his study by marking on the map
and the process.
Truth of the infection of cholera
Snow's contributions
Para 3
Read the passage quickly and get the main idea of each paragraph.
While Reading
While Reading
Cholera
Jone
It's one of ________________________ in the world, because it causes _______________________________.
_______________________(when), an outbreak of cholera hit _______ and milions of people ______________________.
He rose to become _________________ , and even _______________ Queen Victoria when she gave birth..
Snow became ________ because no one knew _________________.
However, he had a desire to __________________ once and for all.
the most feared diseases
severe diarrhoea and dehydration
In the early 19th century
Europe
died from the disease
“King Cholera”
frustrated
how to prevent or
treat cholera
a famous doctor
attended to
destroy cholera
Though being famous, he was still devoted to defeating “King Cholera”
Find a problem
P1
Who?
What?
Ask a question
Two contradictory theories
P2
two theories
The first theory
The second theory
Cholera was caused by _________________.
Cholera was caused by _____________________
__________________________________________.
bad air
an infection from the
germs in food or water.
He needed proof .
Snow subscribed to the ________ theory.
second
Think of a method& collect data
Para. 3
1. What method did Snow use?
2. What did he find on the map? What did he do to deal with it?
A map of Broad Street
water pump
beer pub
Many deaths happened here.
No deaths happened here.
Snow suspected that the water pump was to blame.
1. What caused the outbreak of cholera in London?
A. Bad air B. Water infected by raw waste
C. Polluted air D. Water polluted by the air
2.Why was John Snow considered the father of modern epidemiology? [ˌepɪˌdiːmiˈɒlədʒi]
1. He helped people know how to prevent cholera .
2. He transformed the way scientists study diseases in use of map and statistics.
Read Para.4 and Para.5 carefully to answer the two questions.
While Reading
It was believed that cholera was caused by bad ____ or germs in____________.
A
Snow ____________ the places where the people who _______ had lived.
B
Many deaths occurred near the _____________
in Broad Street.
Some people _________
drunk the water from the pump, and lived.
A woman and her daughter died in another part of London after
____________________.
The pump water carried ______________
The ________ of the pump was removed.
theories
process
air
food or water
died
investigated
water pump
hadn’t
drinking the pump water
cholera germs
handle
Solution
Conclusion
Find supporting evidence
Read the text again and complete the chart below.
C
D
E
conclusion evidence process solution theories
14
As a doctor, he helped us to ____________________.
As a scientist, he found out _________________________.
Evaluation of John Snow
what caused cholera
prevent cholera
critical thinking
strong sense of social responsibility
Post-reading: What qualities do we need to be a scientist?
And explain why? (WB P61 Ex.2)
knowledgeable
rigorous attitude to science (严谨的)
&
face the challenge bravely
16
Thank you
for listening!
2020
Homework:
Read the passage and review the words and expressions in it.
Write a short story about a scientist.
17
$$