Unit 9. Undersea world

Mr Vu Thanh Tung
Luc Ngan high school No 4
Can you name the sea animal in each picture?
The first letter of the word has been given to help you.
S .
J ...
T ..
S ..
Seal
Jellyfish
Turtle
Shark
S ..
Starfish
Unit 9
Undersea world
Lesson 1: Reading
Vocabulary:
cover ( v ):
challenge ( v, n )
marine ( adj )
organism ( n )
biodiversity ( n )
investigate ( v )
maintain ( v )
chiếm diện tích, bao phủ
( sự ) thách thức
thuộc về biển
sinh vật,
điều tra
sự đa dạng sinh học
duy trì
What and where?
cover
biodiversity
investigate
marine
organism
maintain
challenge
Task 1: Read the text and decide if the statements are true ( T ) or false ( F ).
1. There is only one ocean on Earth.
2. 50 % of the earth’s surface is covered by seas
and oceans.
3. People have been challenged by fishes for centuries.
4. Some of marine plants and animals live on the bottom
of the ocean.
5. All plants and animals of the sea don’t contribute
anything to its biodiversity.
T
F
F
T
F
Task 2: Answer the questions.
1. How many parts of the ocean are divided into?
2. According to the text, what are submarines used for?
3. What can satellite photos give us?
4. How many groups do marine plants and animals fall into?
5. What would happen if the sea biodiversity werenot maintained?


1. How many parts of the ocean are divided into?
There are 5 different parts:
Pacific Ocean ,
Atlantic Ocean,
Indian Ocean,
Southern Ocean (Antartic Ocean) and
Arctic Ocean.
*
*
*
*
*
2. According to the text, what do scientists use submarines for?

- Submarines are used to investigate the seabed and bring samples of marine life back to the surface for further study.
3. What can satellite photos give us?

- Satellite photos can give us a wide range of information, including water temperature, depth and the undersea populations
4. How many groups do marine plants and animals fall into?
- Three major groups.
Some of them live on or depend on the bottom (like the starfish.)
Some are swimming animals (fishes, sharks that move independently of water current)
Others are tiny organisms
5. What would happen if the sea biodiversity werenot maintained?

- The marine of life would be at stake if the sea biodiversity was not maintained
Task 3: work in groups and answer the following questions
1. What is the length of the Vietnamese sea?
2. Which part of the ocean does our sea belong to?
3. Can you name some islands and islets that belong to Vietnam?
4. What does the sea bring about to our life?
Homework
1. Learn by heart the new words
2. Summarize the main points of the text
4. Prepare the “ speaking part”
Thank you for your attention