sách solutions unit 8_e disaster!

To
Our class


test
Sự Phun trào:

eruption

Sóng thần:

tsunami

Giản đồ:

diagram

Thập niên:

decade

Thảm họa:

Catastrophe, disaster


Natural disasters


Unit 8_E: Disaster!
(cont)

Revision: Student’s Book page 78.

1) Complete the text about Cumbre Vieja. Use
the nouns in the box.
Directions

Future

Tonnes

tsunami

volcano

volcano in the
Cumbre Vieja is an enormous, active 1 ___________
Canary Islands. Scientists know that at some time in the
future , it will erupt. They are worried that the side
2_____________
tonnes of rock will
of the volcano will collapse and 3__________
tsunami that
fall into the sea. This would cause a huge 4___________
directions___ away from the
would travel very fast in all 5____________
Canary Islands.

1) Complete the text about Cumbre Vieja. Use
the nouns in the box.
(Cont)

Catastrophe

damage

energy

equipment

eruption

energy
The wave would have enough 6_____________
to
damage
cross the Atlantic and cause terrible 7__________
to the east coast of America. This would be a
catastrophe
8_____________.
Although the scientists can’t
predict exactly when the volcano will erupt, they
equipment on Cumbre
are going to put some 9__________
Vieja which will give them an early warning of an
eruption
10___________.

2) Look at the pictures and the information below them. Answer
the questions.

What do pictures show???

Am
m e_e t_t e_e__o__r__i_t___e___
A cc_r _a t_
_t e___r_
1

2


Most meteorites start to burn when they reach the Earth’s
atmosphere. They get much smaller or disappear.


 This crater is from a meteorite that hit the earth. Until 1903,
scientists thought it was the crater of an old volcano


3) Complete the text with the verbs in the box.
Cause
travel

devastate

fall

happen

hit

predict protect

reach

A BIG HIT?
fall
Every year, thousands of rocks from space 1______to
Earth.
These are called meteorites. Most of these are very small – less
reach the
than a metre across. They start to burn when they 2______
hit
Earth’s atmosphere and usually disappear before they 3______
the ground. (see picture 1). A few meteorites are too large to
disappear when they burn. They 4_______at
very high speed –
travel
about 60,000 km/h when they hit the ground – and can cause
enormous damage. This happened in Arizona about 50,000
years ago and you can still see the crater today. It’s called
“Meteor Crater”. (See picture 2.) If another large meteorite hit
happen The explosion would
the Earth today, what would 5________?
devastate
be huge. The meteorite would 6__________everything

around
cause an enormous
it. If it fell into the sea, it would 7________
next
tsunami. It would be a catastrophe.


3) Complete the text with the verbs in the box.
Cause
travel

devastate

fall

happen

hit

predict protect

reach

A BIG HIT? (cont)
But the good news is that large meteorites don’t hit the Earth
very often. Also, scientists know about the danger, and can
8_________
predict which meteorites might hit the Earth . It might also
protect the Earth by firing a rocket at a
be possible to 9__________

meteorite as it came near to the Earth. This would change its
direction and save the world.

back


4) Choose the correct answer.

1. Most meteorites don’t hit the Earth because

a)a)

They burn in the Earth’s atmosphere .

b) They’ re too large.


4) Choose the correct answer.
2) “Meteor Crater” appeared when
a) A very large meteorite disappeared.
b A very large meteorite hit the Earth.
b)


4) Choose the correct answer.
3)If a large meteorite hit the Earth today
a) It would fall into the sea.
b
b)
b)

It would be a catastrophe.


4) Choose the correct answer.
4) The good news is that
a) Scientists can’t predict when the next
meteorite will come.
b Large meteorites don’t come very often.
b)


4) Choose the correct answer.
5)We could change the direction of a meteorite
a) If we knew that it was coming nearer.
b If we fired a rocket at it.
b)


discussion
How can we help protect the environment???
save energy
Plant a lot of trees
Clean the environment
And So on…

Let’s protect the environment


Home works

• Read the text again
• prepare for next lesson