Unit 9. Undersea world

WARM UP

1. Look at the picture and give Vietnamese names for the oceans on the map
2. Look at the pictures below, can you name the sea animal in each pictures

Turtle

Shark
Seal
Jelly fish
UNIT 9 : UNDERSEAWORLD
PART A : READING

I. BEFORE YOU READ
VOCABULARY

1. Gulf (n):
Vịnh
Điều tra, khảo sát
2. Investigate (v)
1. Gulf (n):
3. Oversized (adj) :
4. Tiny ( Adj) :
Quá cỡ
Nhỏ bé
6. Biodiversity (n) :
7. Samples (n) :
Sự đa dạng sinh học
Mẫu vật
9. Challenges (n):
10. Provide (v) :
Sự thách thức
Cung cấp
II. WHILE YOU READ

Gulf oversized biodiversity challenges
Investigate tiny samples provide
Task1:The words in the box all appear in the passage. Fill each blank with one of them. There are more than needed

1. Some plants and animal are referred to as------------ organisms because they are extremely small.
2. Thanks to modern technology, scientists have been able to------------ ---the life plants and animal that live under the sea.
3. A-----------is a large area of sea that is partly surrounded by land
tiny
Investigate
Gulf
4. ---------------is a term that refers to the existence of different kind of animal and plants which makes a balanced environment.
5. These scientists have collected different
-----------to analyze for their experiment
biodiversity
samples
Task 2 . Read the passage again and answer the questions below
What percentage of the earth’s surface is covered by seas and oceans?
how do scientists now overcome the challenges of the depth?
What can submarines do to help scientists know about the undersea world
What can we learn from the satellite photos?
What are the three groups of marine plants and animals?
What would happen if the sea biodiversity were not maintained?
ANSWERKEYS

75% of the earth’s surface is covered by seas and oceans
They now overcome the challenges of the depth by using modern devices
They investigate the seabed and bring samples of the marine life back to the surface for further study
We can know a wide range of information, including water temperature, depth and the undersea population
5. They are those that live on or depend on the bottom like the starfish, those that move independently of water currents and those that are carried along by the current
6. The marine life would be at stake if the sea biodiversity was not maintained
Plants and animals discoveries huge
closely connected Modern three- quarter
mysterious biodiversity

AFTER YOU READ
Complete the summary of the reading passage by filling each blank with a word or phrase given in the box below
Though covering(1)--------------- of the earth’s surface, the ocean has remained (2)--------------to us until recently. With(3)------------- technology we have now made important (4)-----------------about the (5)---------------- of the marine life. We have learnt that whether tiny or (6)--------------, all the (7)--------------- ---
of the sea are (8)------------- ----
three- quarter
mysterious
Modern
discoveries
biodiversity
huge
Plants and animals
closely connected
Learn by heart new words
Review the content of task2
Prepare for the next lesson
HOME WORK