资源简介

Unit 4 Natural Disasters Video Time教学设计
教学目标
1.watch the video to know about tsunami; 2.discuss how to help the people who have suffered from a tsunami; 3.talk about the safety instructions about tsunami.
教学内容
教学重点： 1.get basic information about tsunami. 2.know how to describe and talk about safety instructions. 教学难点： 1.To be able to describe the process of a disaster by watching the video. 2.Discuss on the relief work after tsunami.
教学过程
Step I.Warming up Answer some questions What natural disaster is shown in the picture 1.What is a tsunami 2.What causes it 3.What is its damage Step II.Lead in Look through the picture and introduction Tsunami:Killer waves Tsunami waves can strike out of nowhere and cause a lot of destruction.Scientists study and track tsunamis in order to warn people and minimize deaths.
Step III.Before You Watch Read the sentences about the formation and effects of tsunamis.Then match each sentence with the correct picture. A.Tectonic plates(地壳板块)push together B.A series of waves expands in all directions. C.Whole sections of cities are destroyed.
(
可
Before
You
Watch
Read
the sentences about the formation and effects of tsunamis.
Then
match each sentence with the
correct picture.
A.
Tectonic pla
tes
(
地
壳
板
块
)
push together.
B.A
series
of waves
expands
in all
directions.
C .Whole se
ctions of cities are destroyed.
)
Step ⅡIWhile You Watch Decide whether the statements are true(T)or false(F). 1.There are few warning signs just before a tsunami hits. 2.A tsunami breaks just like an ordinary wave but is bigger. 3.Scientists at the Pacific Tsunami Warning Center monitor the earth's movements 24 hours a day in order to track tsunami. Then see each part of video one by one and check the answers.
(
T
ask1:Decide whether the sta
tements are true(T)or false(F)
.
1.There are few warning signsjust before a tsunami
hits
.
2.A tsunami breaks
just like an ordinary wave but is bigger.
T
3.Scientists at the Pacific Tsunami Warning Center
monitor
the
earth's
movements
24
hours
a
day
in
ord
er
to
track
tsunami.
F
F
)
Task2:Circle the correct word(s)in each sentence. 1.An earthquake occurs when plates below the earth's surface push together/pull apart. 2.Tsunami waves deep at sea move fast and rise only a few/hundreds of feet.
3.As these killer waves enter shallow waters,their speed is reduced/raised. 4.Most tsunami damage is caused when the waves come in from/move back out to the sea. Then see each part of video one by one and check the answers. Step IV.After You Watch Work in pairs.Discuss the questions. 1.What have you leamt about tsunamis
(
Task3:Work in pairs.Discuss the questio
ns.
1.What
have
you
learnt
about
tsunamis
·What
is
a
tsunami
harbor wave
What causes
it
a natural
disaster
·
tectonic
plates
undersea
earthquakes
What
is
its
damage
·
)
2.What kind ofhelp do you think people who have suffered from a tsunami need 2.What kind of help do you think people who have suffered from a tsunami need Trouble and problemWay to help1.People are injured.Medical team should be sent there.2.Houses are damaged.Shelters should be built there.3.Resouces are cut off.Food and water should be sent there.4.People losttheir loved ones Emotional help should be given
(
bor
such ptaces When two rectonte ptares pus
h fouether.the earthquake
sonds
emormous
amounts
or
) (
en
fa
ergy
up
h
g
i
t
l
h
e
e
a
o
n
c
n.A
ser
es
a
o
g
f
h
a
l
v
e
i
s
g
x
t
p
n
y
a
f
l
l
e
w
di
e
e
c
t
i
ns.In
i
d
e
i
p
n
water.These waves travet
) Vidse T ThermwarneiKanarteaAw (e).Tnhe signs are anb (n)a.rhi ocroandsha shsmaucosiniHnore ersesnreat (
history. as a result
a
ord
the dgos
fteetante
plater
地壳极块，
Most e
arthquakes are
)vcwnothin词Tem he (v)ewdne (ave) wn (av) uhey a …pasafer thewhars trikeju ( u)st whe its damage The deadliest tsunami ever recorded oceurred in December of 2004.An earthquake ofr the eoast or Whones tionsedt citienamrd at rshed Mors tha n 200000an and diechMdost had no eay of berne wam eg (ar)o (hr)m1 (e)ivheemy (hous)s (s)cov (m2l4l)er (ehoa)ake (idna)Miahnol.op (se)e (te)otpr (sts)ev (a)thafe (d)Tisars (f)trso (W)hangpndnouime will m (he)dWaa (n)t for newa that the dange (h).r (T)ha (e)is (r)pade (vi)gAin (s)dsibe rea (sle)y (lg)to deal witshta thrdamege that a ahe leaves behind. Task4:Work in groups.Discuss and present your ideas. What should we do when a tsunami hits Do you know some safety instructions Suggested answers:
If you hear tsunami warning,evacuate at once. Go as high and as far as you can. Take your emergency kit. Drop,cover,and hold on to protect yourself from the possible earthquake. Avoid downed power lines and stay away from buildings and bridges. 3.Brainstorming (
Live to tell:Raising Awareness,
Reducing Mortali
ty.
United Nations Intermational
Strategy for
Disaster Reduction(2016
) Step V.Homework Option 1: 1.Gather more knowledge about tsunami. 2.Draw a mind map to introduce tsunami. Option 2: Write an essay about how to help the people who have suffered from a tsunami.

展开更多......

收起↑