Unit 9. Undersea world

Warmly welcome to our class
10A6!
Look at the picture and guess the lesson today:
What does the lesson relate to?
The lesson today relates to sea, fish, animals……
Period 55: Unit 9 Undersea World
A. Reading
Before you read
Look at the map and answer the questions
How many parts of the ocean are there?
What are they ?
2. What do these words mean in Vietnamese?


.
1.How many parts of the ocean are there?
There are 5 different parts
Pacific ocean , Atlantic ocean , Indian ocean ,
Antartic and Arctic ocean
2.
Arctic ocean: (n) B?c Bang Duong
Atlantic ocean: (n) D?i Tõy Duong
Pacific ocean: (n) Thỏi Bỡnh Duong
Indian ocean: (n) ?n D? Duong
Antarctic ocean: (n) Nam Bang Duong (Bi?n Nam C?c)
Shark
Dolphin
Seal
Jellyfish
Turtle
Vocabulary
Submarine: (n) tàu ngầm
Water current: (n) hải lưu, dòng nước
- Gulf (n): = bay: vịnh
- Mystery (n): bí ẩn
- Beneath( prep): under sb/st: bên dưới
- Fall into (v): to be able to divided into st: có thể được chia thành
- Organism (n) : a living being: sinh vật, cá thể
- Be at stake : be at risk: (v) bị đe doạ
- Biodiversity (n) đa dạng sinh vật
- Challeng (n) thách thức, thử thách
While you read
Read the text and do task 1 in pairs
Task 1: Fill each blank with one of the word given ( gulf, oversized, biodiversity, challenges, investigate, tiny, samples, provide)
1. Some plants and animals are referred to as .....organisms because they are extremely small
2. Thank to modern technology, scientists have been able to .......the life of plants and animals that live under the sea.
3. A......is a large area of the sea that is partly surrounded by land
4. .......is a term that refers to the existence of different kinds of animals and plants which make a balanced environment
5. These scientists have collected different ........to analyse for their experiment.
tiny
investigate
gulf
biodiversity
samples
Task 2. Answer the questions
1. What percentage of the earth’s surface is covered by seas and oceans?
2. How do scientists now overcome the challenges of the depth?
3. What can submarine do to help scientists know about the undersea world?
4. What can we learn from the satellite photos?
5. What are the three groups. of marine plants and animals?
6. What would happen if the sea biodiversity were not maintained?
75% of the earth’s surface is covered by the seas and oceans
What percentage of the earth`s surface
is covered by seas and oceans?
By using modern devices
2. How do scientists now overcome
the challenges of the depth?
They help them to investigate the sea bed and bring samples of the marine life back to the surface for further study
3. What can submarine do to help
scientists know about the undersea world?
We can know a wide range of information including water temperature, depth and the undersea population
4. What can we learn from the satellite photos?
Some of them live on or depend on the bottom like the starfish. Some are swimming animals ( fish, sharks) that move independently of water….Others are tiny organisms
5. What are the three groups of marine plants
and animals?
The marine of life would be at stake if the sea biodiversity was not maintained
6. What would happen if the sea
biodiversity were not maintained?
After you read
Complete the summary of the reading passage by filling each blank with a word or phrase given in the box
Plants and animals, discoveries, huge, closely connected, modern, three-quarters, mysterious, biodiversity
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 marine life. We have learnt that whether tiny or (6)…………, all the (7)…………………of the sea are (8)………………………
three-quarters
mysterious
modern
discoveries
biodiversity
huge
plants and animals
closely connected
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