Transcript What is a tornado?

Disasters of Nature
flood
hurricane
lightning
thunderstorm
sandstorm
tornado
earthquake
typhoon
tidal wave
洪水
飓风
闪电
雷暴
沙尘暴
龙卷风
地震
台风
海啸
A rotating column of air from a
thunderstorm to the ground.
龙卷风：一种纵向的气旋，伴随有倒漏斗形
的积雨云，涡流直径达几百码，以每小时八
百公里）的速度移动，具有极大的毁坏性
What is a tornado?
hurricane
A violent storm with extremely strong
winds and heavy rain.
飓风：一种猛烈的热带风暴，形成于大西洋
或加勒比海赤道地区，从形成地向北、西北
或东北移动，常携有大量雨水
FAST-READING
How many articles are there in the
passage?
what are the titles of the articles?
Match the article with its main
idea.
Article one
Article two
Article three
A.Charles Coghlan’s
story in the worst
hurricane disaster.
B.A rotating column of
air and its power.
C.Hurricanes are strong
tropical storms and
introduce its power and
the worst disaster by it.
CAREFUL-READING
Task1:
Read the first part carefully
and answer questions.
Q1: What is a tornado?
Q2:How strong are tornadoes winds?
Q3: Where does the tornado occur?
Q4: What are the damages of
a tornado ?
Q5:Do you know the worst tornado?
A Tornado
Definition
Have a better
understanding of the
text
a rotating column of air from a
thunderstorm to the ground
Speed
>400km/h
Where
Damage
The worst
one
in the US, from Texas to
South Dakota
pick up/ put down/ take off/
destroy houses
1925, three states, over 700
killed, 2,700 injured
Task2:
1. What is a hurricane?
2.How strong are hurricanes winds?
3. Where do the hurricanes occur?
4. What are the damage of hurricanes ?
5.Do you know the worst hurricane?
A Hurricane
Definition
Speed
Where
Damage
The worst
one
Have a better
understanding of the
text
Strong tropical storms
120km/h or more
in the southern Atlantic Ocean,
the Caribbean Sea and the Gulf of
Mexico
cause huge waves, heavy rain
and floods
Step.8th,1900 in
Galveston, Texas
rotating column of air
Aa Tornado
Definition
Speed
Where
Damage
The worst
one
from a thunderstorm to
the ground
>400km/h
A Hurricane
Strong tropical
storms
120km/h or more
in the US, from Texas
to South Dakota
in the southern
Atlantic Ocean, the
Caribbean Sea and
the Gulf of Mexico
pick up/ put down/ take
off/ destroy houses
cause huge waves,
heavy rain and floods
1925, three states, over
700 killed, 2,700 injured
Step.8th,1900 in
Galveston, Texas
Task3: An extraordinary event
1.Who was Charles Coghlan?
He was a nineteenth-century Irish
actor who went to live in Canada and
died in Galveston.
2.Map the road of Coghlan’ moving
live in
Charles
Coghlan
Cananda
Prince Edward stream coffin
Island Canada
ended in
the sea
famous
New York
died in
Galveston
READING
Complete the passage.
Tornadoes can _________cars,
trains
pick up
put them down
and even houses and ____
in the next street. They can take the
fur ____
off the back of cat and feathers
____
_______
off a chicken. They can destroy
houses. But leave the furniture
________inside
exactly where it was.
pick up
1.This afternoon, I picked up the
radio lying on the desk.
拾起，拿起
_____________
2.I pick up the English news on the
radio.
_____________
收听，接收
3.It’s over the radio that I pick up
English every day.
无意中学会
_____________
4.It was time for me to pick up my
mother from railway station.
接某人
_____________
take off
脱掉，去除
1.Please take
off your coat, as it is warm here.
2.The plane is taking
起飞 off soon.
3.I’m taking
a few days off
休
假 to visit my parents.
成功，兴隆
4.My uncle’s business is taking
off.