1. Unit 9 Undersea world

2. Thái Bình Dương Ấn Độ Dương Đại Tây Dương Bắc Băng Dương Nam Băng Dương

3. Work with a partner: Work with a partner: Look at the picture below. Can you name the sea animal in each picture? The first letter of the word has been given to help you.

4. SealDolphin SharkJellyfish

5. Starfish Turtle Seahorse

6. New words of the reading text 1. Bay (n) vịnh 2. Mystery (n) điều huyền bí Mysterious (a) Mysterious (a) Mysteriously (adv) Mysteriously (adv) 3. Beneath (prep): dưới Ex: The boat sank beneath the waves Ex: The boat sank beneath the waves 4. Submarine (n) tàu ngầm 5. Marine life (n) cuộc sống dưới biển 6. Fall into (v)= to be able to be divided into sth được chia thành 7. water current (n) dòng nước

7. 8. Organism (n) a living being sinh vật 9. At stake = At risk Ex: Our environment is at stake so we have to join together to save it. 10. Contribute (v) to sth Ex: How many events contributed to the liberation of women? Contribution (n) Contribution (n) Ex: We admire his great contribution to Vietnam education system. New words of the reading text

8. While you read : Task 1 : The words in the box all appear in the passage. Fill each blank with one of them.There are more words than needed

9. Task 1: filling in the blank with one of the words in the box 1. Gulf: vịnh 2. Investigate: điều tra 3. Oversized : quá khổ 4. Tiny : rất nhỏ 5. Biodiversity: đa dạng sinh thái 6. samples: mẫu 7.Challenges: thử thách 8. Provide: cung cấp

10. 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 of plants and animal that live under the sea. 3. A _______ is a large area of 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

11. 1. It is one of Vietnam's most popular tourist destinations and was world heritage listed by UNESCO in 1994 2. It is have five pairs of legs, the first of which is modified into a pair of claws 3. What percentage of the earth’s surface is covered by seas and oceans ? 4. Look at the picture Look at the picture 5. How do scientists now overcome the challenges of the depth ?HALONGBAY CRAB 75PERCENT SHARK MODERNDEVICES

12. Task 2 Read the passage again and then answer the following questions Read the passage again and then answer the following questions 1. What percentage of the Earth’s surface is covered by seas and oceans? 1. What percentage of the Earth’s surface is covered by seas and oceans? 75 % of the earth’s surface 75 % of the earth’s surface 2. How do scientists now overcome the challenges of the depth? 2. How do scientists now overcome the challenges of the depth? By using modern services By using modern services 3. What can submarines do to help scientists know about the undersea world? 3. What can submarines do to help scientists know about the undersea world? They investigate the seabed and bring samples of the marine life back to the surface for further study They investigate the seabed and bring samples of the marine life back to the surface for further study

13. Task 2 4. What can we learn from the satellite photos? 4. What can we learn from the satellite photos? We can know a wide range of information, including water temperature, depth and the undersea populations We can know a wide range of information, including water temperature, depth and the undersea populations 5. What are the three groups of marine plants and animals? 5. What are the three groups of marine plants and animals? 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 currents 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 currents 6. What would happen if the sea biodiversity were not maintained? 6. What would happen if the sea biodiversity were not maintained? The marine life would be at stake if the sea biodiversity was not maintained The marine life would be at stake if the sea biodiversity was not maintained

14. After you read : Work with a partner: Work with a partner: Complete the summary of the reading passage by filling each blank with a word or phrase given in the box below.

15. Though covering ______________of the earth’s surface, the ocean has remained __________ to us until recently. With _______ technology we have now made important __________ about the __________ of marine life. We have learnt that whether tiny or ______, all the _______________ of the sea are _______________ three - quarters mysterious modern discoveriesbiodiversity huge plants and animals closely connected