UNIT 9: UNDERSEA WORLD VOCABULARY: 1. seal (n): hải cẩu 2. jellyfish (n): con sứa 3. turtle (n): rùa biển 4. shark (n): cá mập 5. starfish (n): sao biển 6. Arctic/ Atlantic/ Pacific/ Indian/ Antartic Ocean (n): Bắc Băng Dương /Đại Tây Dương /Thái Bình Dương / Ấn Độ Dương / Nam Băng Dương READING: 1. undersea (a) 2. divide into (v) 3. ocean (n) 4. gulf (n) 5. surface (n) 6. surface (n) 7. challenge (v) challenging (a) 8. mystery (n) mysterious (n) 9. lie – lay - lain (v) 10. depth (n) deep (a) 11. submarine (n) marine (a) 12. investigate (v) investigation (n) 13. seabed (n) 14. provide (v) provision (n) 15. a wide range of 16. population (n) 17. exist (v) existence (n) 18. precious (a) 19. live on (v) 20. depend on/ upon (v) dependence >< independence (n) dependent >< independent (a) 21. current (n) 22. tiny (a) >< oversized (a) 23. organism (n) 24. contribute to (v) contribution (n) 25. biodiversity (n) 26. maintain (v) maintenance (n) 27. be at stake = be in danger = be at risk SPEAKING: 1. sparingly (adv) 2. limited (a) 3. threaten (v) 4. endanger (v) danger (n) dangerous (a) 5. dispose of (v) 6. herbicide (n) 7. pesticide (n) 8. harm (v) harmful to(a) 9. explosive (n) explosion (n) explore (v) LISTENING: 1. mammal (n) 2. blue whale (n) sperm whale (n) whaling (n) 3. krill (n) 4. migrate (v) 5. feeding ground (n) migrate - disappear - intelligent – pressure - mammals - krill - limited - length - feeding Whales are (1) that live their entire lives in the water. Some whales are huge. The blue whale, for example, grows to 30 meters in (2) and over 200 tons in weight. It is the largest animal that has ever lived on earth. Whales may also be the most(3) animals in the ocean. Whales like to feed in the cold oceans where there is a lot of (4) - their favorite food. Cold water in the North and South Atlantic Ocean and the North and South Pacific are good (5) grounds for whales. Some whales are known to (6) into warm waters to bear their calves. Whale populations decrease quickly due to heavy hunting (7) . Conservation groups asked the International Whaling Commission to stop whaling. However, Native American hunters, such as the Eskimo, are still allowed to hunt a (8) number of whales to feed their communities. If no effective measures were taken to protect whales, these wonderful animals would (9) forever. WRITING: 1. carnivore (n) 2. squid (n) 3. diet (n) 4. male (n) female (n) 5. calf (n) – calves (pl.n) 6. offspring (n) 7. gestation period (n) 8. life span (n) 9. entrap (v) entrapment (n) . UNDERSEA WORLD VOCABULARY: 1. seal (n): hải cẩu 2. jellyfish (n): con sứa 3. turtle (n): rùa biển 4. shark (n): cá mập 5. starfish (n): sao biển 6. Arctic/