EarthquakesEarthquakesLesson 26 Book 1Lesson 26 Book 1

NATURAL DISASTER

strong wind hard rain

heavy snow f l o o d

Tangshan, Hebei July 28th, 1976

•

The United States

San Francisco

5:13 a.m. April 18th,19065:13 a.m. April 18th,1906

seen from a ferry boat in the bay

fire around the Call Buildingfire around the Call Building

earthquake-destroyed water pipe

broken water pipesbroken water pipes

dreadful dreadful

earthquake earthquake

damagedamage

in Chinatownin Chinatown

the destroyed church

damaged warehouse

refugees fleeing along the streetrefugees fleeing along the street

The Army later provided tents for refugeesThe Army later provided tents for refugees..

poorly- built shelters

2 5 0 ， 0 0 0Victims of the earthquake:

250,000 people250,000 people ll

ost their homesost their homes

700 people700 people

lost their liveslost their lives

A large part of the city was destroyed.A large part of the city was destroyed.

A large number of A large number of buildings were burnt.buildings were burnt.

houseshouses

rruined homesuined homes and pavementand pavement

groundground

fell onto the fell onto the one belowone below

TRUETRUE OROR FALSEFALSE

1. A terrible earthquake hit San Francisco on the evening of April 18,1906. （ ）

2. A large number of buildings were burnt and about 700 people were killed . （ ）

3. The 1989 earthquake in San Francisco was the strongest one in America. （ ）

4. A bridge fell down onto another bridge below. （ ）

F

F

F

T

5. The 1989 earthquake happened in the center of the town, so many new buildings were destroyed. ( )

7. At San Francisco the Pacific plate moving northwest meets the South American plate. ( )

8. The pacific plate is moving fast ---at 53 kilometers a year. ( )

6. The electricity was cut off several days. ( )

TRUETRUE OROR FALSEFALSE

F

F

F

T

10. When the 1906 earthquake happened , the Pacific plate jumped 5-6 meters to the north. ( )

9. West America near the sea is a bad place for earthquakes. ( )

TRUETRUE OROR FALSEFALSE

T

T

Paragraph Paragraph 11

At 5:13 on the morning of April 18th, 1906, the city of San Francisco was shaken by a terrible earthquake. A great part of city was destroyed and a large number of buildings were burnt. The number of people who lost homes reached as many as 250,000. About 700 people died in the earthquake and the fires.

Main IdeaMain Idea DetailsDetails

It happened on It happened on ________________________ .________________________ . ______________________ was ______________________ was destroyed.destroyed. ___________________________ were ___________________________ were burnt.burnt. ______________ people lost their ______________ people lost their homes.homes. _______________ people died._______________ people died.

the morning of April 18. A great part of the city

The 1906 Earthquake

A large number of buildings

250,000

700

Para.1

Fill in formFill in form

Paragraph Paragraph 22

Another earthquake shook San FranciscAnother earthquake shook San Francisco on October 17th, 1989. It was America’s so on October 17th, 1989. It was America’s second strongest earthquake and about 100 econd strongest earthquake and about 100 people were killed. It happened in the evenipeople were killed. It happened in the evening as people were traveling home. ng as people were traveling home.

Paragraph 2Paragraph 2

A wide and busy road which was built like a bridge over another road fell onto the one below.

Paragraph 2Paragraph 2

A wide and busy road which was built like a bridge over another road fell onto the one below.

San FranciscoA big earthquake shook

San Francisco in 1989.

Paragraph 2Paragraph 2 Many people were killed in their cars, Many people were killed in their cars,

but a few lucky ones were not hurt.but a few lucky ones were not hurt.

Paragraph 3Paragraph 3

Luckily the 1989 Luckily the 1989 earthquake did not earthquake did not happen in the happen in the center of town but center of town but about 50 about 50 kilometers away. In kilometers away. In one part of town a one part of town a great many great many buildings were buildings were destroyed. destroyed.

Paragraph 3Paragraph 3

These buildings These buildings were over 50 years were over 50 years old, so they were old, so they were not strong enough. not strong enough.

Paragraph 3Paragraph 3

There were a There were a lot of fires all lot of fires all over the city. over the city. The electricity The electricity was cut off for was cut off for several days several days too.too.

Main IdeaMain Idea DetailsDetails

It happened It happened _____________________________ ._____________________________ . It was It was America’s_________________________ . America’s_________________________ . Many people were ______ in Many people were ______ in their________ . their________ . Buildings __________________ and there Buildings __________________ and there were were

a lot of _______ all over the city. a lot of _______ all over the city. The electricity The electricity ____________________________ .____________________________ .

on the evening of Oct. 17

second strongest earthquake

cars

were destroyed

was cut off for several days

The1989Earthquake

killedPara. 2-3

fires

Fill in formFill in form

ParagraphParagraph 44

Pacific plate

American plateEurasian plate

Indian plateAfrican

plate

Antarctic plate

Why do earthquakes Why do earthquakes happen? Scientists explain that happen? Scientists explain that the outside of the earth is made the outside of the earth is made of a number of different plates. of a number of different plates. At San Francisco the Pacific At San Francisco the Pacific plate which is moving towards plate which is moving towards the northwest meets the North the northwest meets the North American plate. The Pacific Plate American plate. The Pacific Plate is moving very slowly is moving very slowly — at 5.3 — at 5.3 centimeters a year. centimeters a year.

ParagraphParagraph 44

Paragraph 4Paragraph 4

Sometimes these two plates stop and do not move for years. Then Suddenly, they jump and an earthquake is felt. As a result of the movement of these plates, west America near the sea has always been a bad place for earthquakes. When the 1906 earthquake happened, the Pacific plate jumped 5-6 meters to the north.

ContinentOceanic plate

★ ★

ParagraphParagraph 44

•Pacific plate

↖American plate

San Francisco

Main IdeaMain Idea DetailsDetails

The outside of the earth The outside of the earth is made of is made of _______________ ._______________ .

Two of the earth’s plates Two of the earth’s plates which join together which join together suddenly _____________ .suddenly _____________ .

causes of earthquakes

six different plates

jumpPara. 4

Fill in forms:Fill in forms:

1. In what part of the United States is San Francisco?

2. In the spring of 1906, what happened to the city of San Francisco?

3. What happened again in the city in the fall of 1989?

Questions:Questions:

4. Explain the reasons why there are earthquakes.

The earth is a littlThe earth is a little blue planet. Thee blue planet. There always happere always happen some disasters n some disasters (( 灾祸灾祸 ) such as flo) such as floods, volcanoes ods, volcanoes (( 火山火山 )) ， ， and earand earthquakes ..thquakes ..

In 1976, the strong earthquake happeneIn 1976, the strong earthquake happened in Tangshan. Millions of people ___d in Tangshan. Millions of people ________ homes and a large __________ of _____ homes and a large __________ of buildings were destroyed.buildings were destroyed.

lost number

On the morning of On the morning of September 21th, 1999, September 21th, 1999, another strong earthquake another strong earthquake _____________ Taiwan _____________ Taiwan province. It happened in the province. It happened in the __________ of Taiwan __________ of Taiwan province. About 2000 people province. About 2000 people died in the earthquake. died in the earthquake. ____ number of people who ____ number of people who were hurt reached as were hurt reached as _______ as 4000._______ as 4000.

hit / shook

center

The

many

A lot of cheap houses were destrA lot of cheap houses were destroyed. Only a few strong ones stayed _oyed. Only a few strong ones stayed ________ . Luckily, the city’s electricity _______ . Luckily, the city’s electricity supply was cut ______ at once.supply was cut ______ at once.

upoff

Fill in BlanksFill in Blanks __________ explained __________ explained

the Taiwan earthquake the Taiwan earthquake

happened because thehappened because the

Pacific plate and the Pacific plate and the

Eurasian plate _________.Eurasian plate _________.

In the past, the earthquaIn the past, the earthquake happened in the oceke happened in the ocean, but this time it movean, but this time it moved to the ground. So it d to the ground. So it caused a worse result. caused a worse result.

Scientists

jumped

What shall we do if an earthquake happens?

Discussions

HOMEWORK :How can we reduce the damage of earthquakes?

Thank you !

Bye-bye!

制作信息陈卫锋

江苏省西亭高级中学