人教版必修五Unit1 Great Scientists Warming up &Reading课件（14张ppt）

Unit1
Great Scientists
Period 1 Warming up &Reading
foot-and-mouth
disease
infectious diseases
chickenpox
medical achievements
Pre-reading
scientific
research stages
find a problem
make up a question
think of a method
collect results
analyze the results
find supporting evidence
draw a conclusion
great
doctors/scientists
Pre-reading
scientific
research stages
great
doctors/scientists
find a problem
make up a question
think of a method
collect results
analyze the results
find supporting evidence
draw a conclusion
“KING CHOLERA”
while-reading
JOHN SNOW DEFEATS
a famous doctor
an expert
Victoria’s personal physician
deadly
incurable
infectious
mysterious
find a problem
KING
Idea 1
Idea 2
It suggested that cholera multiplied in the air.
It suggested that people absorbed this disease into their bodies with their meals.
Para.2
make a question
How did cholera spread?
think of a method
{BC89EF96-8CEA-46FF-86C4-4CE0E7609802}How
Where
Broad Street
Cambridge Street
collect data
Para.3
make investigations
London
collect results
: over 500 people’s death
Broad Street
It seemed that the
water was to blame.
Cambridge Street
Para.4
analyze results
Para.5
find supporting evidence
Para.6
A woman had delivered the water from the pump to her house every day.
He asked the people remove the handle from the pump
Soon afterwards the disease slowed down.
Both she and her daughter died of cholera.
cautious
rigorous
Para.6
draw a conclusion
Para.7
cause of cholera
prevention of cholera
Cholera was spread by polluted water carrying germs.
Post-reading
What makes John Snow’s success?
John Snow
scientific research stages
professional knowledge
characteristics
marked on a map
The map helped him his ideas.
The map can show a more direct link between and deaths.
organize
people s’ drinking habits
Group discussion
JOHN SNOW DEFEATS “KING CHOLERA”
JOHN SNOW DEFEATED “KING CHOLERA”
Post-reading
pump
handle