Unit 9. Undersea world

UNIT 9
UNDERSEA WORLD
Tuesday, December 29, 2009
READING
Before you read
Book
How many oceans?
What are they?
Which of them is the smallest?
The largest?
Which of them is the deepest?
The coldest?
The roughest?
The most peaceful?
Pictures: What are they?
Seal
Turtle
Jellyfish
Shark
STARFISH
STARFISH
JELLYFISH
JELLYFISH
KRILL
KRILL
KRILL
SHARK
SHARK
SHARK
SPERM WHALE
WHALE & KRILL
DEAD WHALE
While you read
Read and find out the new words.
Bay - Sea - Gulf
Which of them is the largest?
Sea Gulf
Coast Bay
∩
∩
BAY
OF
BENGAL
PERSIAN
GULF
A mystery is sth we cannot u________ or e_____.
nderstand
xplain
Beneath (prep)
In or at a lower position than sb/sth; under
Beneath the ocean:
In the d____ of the ocean.
epths
Challenge sb (to sth/to do sth): to invite sb to fight, play, argue, etc. against you.
Challenge: (n)
Sth new and dif-____ that forces you to make a lot of e___.
ficult
ffort
To be _______ means to be in danger of being lost; to be at r_
at stake
isk
I’m finding my new job an exciting ________.
challenge
A violent hurricane is coming into the ____ of Tonkin (Bac Bo)
Gulf
The cause of the accident is a complete _______.
mystery
They’ve _________ us to a football match this Saturday.
challenged
The ship disappeared _______ the waves.
beneath
Cam Ranh Port is in a sheltered ____.
bay
Phu Quoc is a big island in the ____ of Thailand.
Gulf
Truong Sa Islands are in the East ____.
Sea
Van Phong ____ is an attractive tourist spot.
bay
There’s a lot of _______ surrounding this case.
mystery
The ____ of Bengal is a very large sea in Indian Ocean.
Bay
TASK 1
Complete the sentences.
1 mn
1
2
3
4
5
tiny
investigate
gulf
biodiversity
samples
TASK 2
Answer the questions.
2 mns
Percentage (n): %
75% : seventy-five percent
Current (n): doøng chaûy, doøng haûi löu
ANSWERS
75% of the earth’s surface.
By using modern devices.
They investi-gate the sea-bed and bring samples of marine life back
a lot of informa-tion of water temperature, depth and the undersea populations
Those living on the bottom, those moving freely, those carried along by the currents.
Marine life would be at stake if the sea biodiversity were not maintained.
BOOKS CLOSED
-75% of the earth’s surface ….. by seas and oceans.
By using modern ..., scientists …..… the challenges of the depth
Submarines investigate the ______ and bring ______ of marine life ____
seabed
samples
back
From the ______ photos, we learn a lot of informa-tion of water __________,
satellite
temperature
depth and the undersea populations
The three groups of ______ plants and animals are ____ living on the bottom,
marine
those
those ______ freely, those ______ along by the _______.
carried
currents
moving
Marine life would be at ____ if the sea _________ were not maintained.
stake
biodiversity
After you read
Fill in the blanks
1 mn
1
2
3
4
5
three-quarters
mysterious
modern
discoveries
biodiversity
6
7

8
huge
plants and
animals
closely
connected
Close the books
Though covering three-quarters of the earth’s ______, the
surface
ocean has ________ mysterious to us ___ recently
remained
until
With modern ________ we have now made _______ discoveries
technology
important
about the biodiversity of ______ life. We have learnt that ______ tiny or
marine
whether
huge, all the _____ and animals of the sea are _____ connected.
plants
closely
HOMEWORK
Review the lesson. Prepare SPEAKING