外研英语必修3Module3 The Violence of Nature Introduction and reading课件（共15张PPT）

(共15张PPT)
Introduction and reading
earthquake
fire
tornado
flood
Mud-rock flow
hurricane
snow disaster
typhoon
地震
火灾
龙卷风
洪水
泥石流
飓风
雪灾
台风
Disasters of Nature
闪电
雷暴
火山喷发
沙尘暴
海啸
lightning
Thunderstorm
volcanic eruption
Sandstorm
Tsunami
Listen to What is a Tornado and fill in the blanks
A tornado is a rotating column of air ________ a thunderstorm____ the ground. The most_______ have winds of more than ____kilometers per hour. They _____in the area from Texas in the southeast to South Dakota in the north.
400
from
to
violent
occur
They can _______ cars, trains and houses. They can _______ houses, but leave the furniture inside exactly where it was. The worst one occurred in 1925, affecting _____US states. More than ____people had been killed and _____ had been injured.
pick up
destroy
three
700
2,700
Answer the questions about Hurricane
What is a hurricane?
Hurricanes are strong tropical storms.
2. What happens during a hurricane?
It causes huge waves, heavy rain and floods.
3. When was the worst hurricane of all time?
On the 8th Semptember1900
4. What is the result of the worst hurricane?
The disaster killed 6,000 people and destroyed 3,600 buildings.

moved to
Canada
famous
New York
died in ___________
Galveston
ended in the sea
coffin
stream
Prince Edward Island Canada
An Extraordinary Event
True or False.
1. All tornadoes have winds of more than 400 kilometres per hour.
2. There are more tornadoes occurring in the US than in other parts of the world.
3. Tornadoes can’t destroy furniture because they are not violent enough.
Careful reading
4. In the US, there are usually about 80 people killed in tornadoes every year.
5. The worst tornado in history killed at least 700 people.
6. Every year there are six Atlantic
hurricanes.
7. Both the worst tornado and the
worst hurricane occurred in the US.
8. The worst hurricane of all time killed about one-sixth of the population in the US.
9. Charles Coghlan didn’t become famous until he moved to New York.
10. Coghlan’s coffin was destroyed by the 1900 Galveston hurricane.
11. It was only because of the hurricane that Coghlan’s body could travel back to Canada.
Summary
A Tornado
A Hurricane
a rotating column of air from a thunderstorm to the ground
Strong tropical storms
>400km/h
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
120km/h or more
in the southern Atlantic Ocean, the Caribbean Sea and the Gulf of Mexico
cause huge waves, heavy rain and floods
8th Step.1900 in Galveston, Texas
killed 6,000,detroyed 3,600buidings
Definition
Speed
Where
Damage
The worst one
2008年5月12日，中国汶川发生8.0级地震。据民政部门报道，截至2008年9月25日12时，汶川地震已确认69227人遇难，374643人受伤，失踪17923人。
Discussion：Faced with the earthquake, what should we do?

First of all, Keep calm.Don't panic and follow teacher's instructions.
If you are in the class, quickly hide yourself under your desk. Or move out of the building in order and stay in safe place.
If you are on the playground, stay in a crouch position covering your head with both hands. Remember to avoid tall building.
If you are in the tall building, don't try to jump off.
Always help each other to get through the quake.
Homework
Describe an earthquake
1. What is an earthquake?(definition)
2. What damage can it cause?
3. The worst earthquake of all time in China.
Thanks for your listening!