必修5 Unit 1 Great Scientists Reading 课件（20张PPT）

(共20张PPT)
Great scientists
1.Which scientist discovered that objects in water are lifted up by a force that helps them float
B. Archimedes
C. Thomas Edison
A. Charles Darwin
“Give me a place to stand on, and I can move the earth.”
“给我一个支点，我能撬起整个地球.”
2. Who wrote a book explaining how animals and plants developed as the environment changed
A. Marie Curie
C. Charles Darwin
B. Gregor Mendel
Origin of Species
《物种起源》
4.Who put forward a theory about black holes
A. Stephen Hawking
C. Copernicus
B. Archimedes
5.Who found the cause of cholera
C. Stephen Hawking
A. Newton
B. John Snow
germs/bacteria
London in the 19th century
…died every time there was an outbreak.
Name：___________
Nationality: ________
Occupation: _______
John Snow
British
doctor/physician
John Snow Defeats "King Cholera"
This was the _____________ of its day.
deadly disease
A scientific report by John Snow
Problem
2 theories
Method 1
Result
Method 2
Supporting
evidence
Conclusion
what caused cholera
Idea1: cholera ________________.
Idea2: people absorbed the disease__________________
_____ the deaths on a map
It seemed that _______ was to blame.
_______ the source of the water
_______ that were _____ to the Broad Street outbreak
It was certain that _______________.
A scientific report by John Snow
Problem
2 theories
what caused cholera
Idea1: cholera ________________.
multiplied in the air
Idea2: people absorbed the disease__________________
into their bodies with meals
which theory is correct
Method1
Result
___________
the deaths on a map
It seemed that _______________
was to blame.
marked
Broad Street
Many deaths happened here.
No death happened here.
Method1
Result
_______
the deaths on a map
It seemed that _______________
was to blame.
mark
the water
Method2
____________ the source of the water.
look into
supporting evidence
Conclusion
2 other deaths
________________ that were_______ to the Broad Street outbreak
polluted water carried the virus
It was certain that _______________.
linked
1. Why can't we drink the water from the pump
2. How did you prove your idea
3. What can we do to defeat cholera
_______ died after drinking the water.
A scientific report by John Snow
Problem
2 theories
Method 1
Result
Method 2
Supporting
evidence
Conclusion
what caused cholera
Idea1: cholera ________________.
Idea2: people absorbed the disease__________________
_______ in the poor neighbourhoods.
It seemed that _______ was to blame.
_______ the source of the water.
It is certain that _______________.
the 7 stages of doing a scientific research
Which theory is correct
find a problem
make a question
think of a method
collect results
analyse the results
find supporting evidence
draw a conclusion
A scientific report by John Snow
the 7 stages of doing a scientific research
find a problem
make a question
think of a method
collect results
analyse the results
find supporting evidence
draw a conclusion
pioneering
creative
considerate
modest
knowledgeable
devoted
persistent
open-minded
brave
determined
generous
cuious
qualities
selfless
Homework
1. Read the text aloud, finding out the past participles and their functions.
2.As John Snow, write a report to the mayor of London, telling him your scientific research and suggestions.