人教新课标必修五 unit 1 great scientists warming up& pre-reading课件（共25张）

(共25张PPT)
a
prominent
anti-SARS
scientist.
Do
you
remember
them?
I
put
forward
the
theory
about
black
holes.
I’m
the
father
of
super
hybrid
rice
Unit
1
Great
scientists
Archimedes
the
first
steam
engine
Thomas
Newcomen
Archimedes’
principle
Gregor
Mendel
electricity
Madame
Curie
black
holes
in
universe
Franklin
Radium
Steven
Hawking
Inheritance(遗传)
Thomas
Edison
a
lamp
to
keep
miners
safe
Humphry
Davy
giving
electricity
to
everyone
Warming
Up
Match
the
inventions
with
their
inventors
below.
Q
Answers
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Archimedes
Charles
Darwin
Thomas
Newcomen
Gregor
Mendel
Marie
Curie
Thomas
Edison
Leonardo
da
Vinci
Sir
Humphry
Davy
Zhang
Heng
Stephen
Hawking
common
characteristics
cautious
persuasive
strict
positive
Co-operative
creative
bright
enthusiastic
Find
out
some
common
characteristics
of
these
scientists
Draw
a
conclusion
Think
of
a
method
Collect
results
Make
a
question
Find
a
problem
Analyse
the
results
Find
supporting
evidence
If
you
are
a
scientist,
how
do
you
prove
a
new
idea
in
scientific
research?
discussion
Reading
John
Snow
Defeats
“King
Cholera”
John
Snow
What
do
you
know
about
infectious
diseases?
What
do
you
know
about
cholera?
coronavirus
HIV
measles…
Skimming
Read
the
text
(P2-3)
quickly
and
complete
the
main
idea
of
it.
The
text
is
mainly
about
_____
______
and
how
he
_______________.
John
defeated
cholera
Snow
To
prove
a
new
scientific
idea,
seven
stages
are
needed.
Read
the
text
carefully
and
fill
in
the
blanks.
Careful
reading
Stage
1
Find
a
problem
Thousands
of
people
died
of
cholera,
but
nobody
knew
the
1.
______
of
the
serious
disease.
Stage
2
Make
a
question
◆
Theory
one:
Cholera
2.
__________
in
the
air
and
floated
around
until
it
found
its
victims.
◆
Theory
two:
When
people
3.
_________
cholera
into
their
bodies
with
meals,
their
bodies
were
attacked.
absorbed
multiplied
cholera
Stage
3
Think
of
a
method
Began
to
gather
information
to
4.
_______
that
the
second
theory
was
correct.
Stage
4
Collect
results
Marked
where
the
dead
people
had
lived
on
a(n)
5.
______.
Stage
5
Analyse
the
results
Looked
into
the
6.
_______
of
the
water
to
see
if
the
problem
was
the
water.
map
prove
source
Broad
Street
Many
deaths
happened
here.
No
death
happened
here.
The
water
from
the
pump
was
to
blame.
Public
house
The
water
was
from
the
river
which
had
been
polluted
by
the
dirty
water
from
London.
Stage
6
Find
supporting
evidence
Found
supporting
evidence
from
two
other
deaths:
Both
of
them
died
of
cholera
after
7.
___________________.
Stage
7
Draw
a
conclusion
◆
8.
_______________
carried
the
virus.
◆
All
the
water
supplies
should
be
9.
_________.
drinking
the
water
Polluted
water
examined
extra
evidence:
A
woman
and
her
daughter
who
lived
far
away
but
drank
the
water
also
died.
Draw
a
conclusion
Think
of
a
method
Collect
results
Make
a
question
Find
a
problem
Analyse
the
results
Find
supporting
evidence
If
you
are
a
scientist,
how
do
you
prove
a
new
idea
in
scientific
research?
discussion
draw
a
conclusion
find
a
problem
make
up
a
question
think
of
a
method
collect
results
analyse
the
results
Finding
supporting
evidence
How
to
prove
a
new
idea
in
scientific
research?
Post
reading
Number
these
events
in
the
order
that
they
happened.
___
John
Snow
began
to
test
two
theories.
___
An
outbreak
of
cholera
hit
London
in
1854.
___
John
Snow
marked
the
deaths
on
a
map.
1
2
4
___
He
announced
that
the
water
carried
the
disease.
___
John
Snow
investigated
two
streets
where
the
outbreak
was
very
severe.
___
King
Cholera
was
defeated.
___
He
found
that
most
of
the
deaths
were
near
a
water
pump.
___
He
had
the
handle
removed
from
the
water
pump.
3
5
6
7
8
We
know
from
the
text
that
John
Snow
______.
had
collected
information
before
cholera
broke
out
B.
felt
not
quite
sure
after
he
finished
the
map
C.
helped
the
woman
from
Broad
Street
D.
became
famous
after
defeating
cholera
I.
Choose
the
best
answer.
2.
Why
did
John
Snow
use
a
map
in
his
research?
It
could
help
him
find
exactly
how
many
people
died
of
cholera.
B.
It
could
help
him
find
the
source
of
drinking
water
for
people.
C.
It
could
help
him
organize
his
ideas
and
find
evidence.
D.
It
could
help
him
find
his
way
in
Broad
Street.
3.
Why
was
cholera
called
“King
Cholera”
in
the
text?
Because
it
caused
many
deaths.
B.
Because
it
got
its
name
from
Queen
Victoria.
C.
Because
it
was
defeated
with
the
help
of
the
King.
D.
Because
it
was
the
most
deadly
disease
of
its
day.
Homework
1.
Get
more
information
about
some
infectious
diseases
and
modern
scientists.
2.
Finish
the
Exercises
1,
2,
3
on
pages
3
and
4.