3. Designed by: My Ngan- Thuy Quynh

4. * The class is divided into two groups * There are 6 apples in the tree * Each group will choose one and answer the questions hiding inside the apples * When having correct answer, you will get one mark * Which group gets more marks will become the winner Warm up

5. 4 6 3 1 5 2 What is the name of an animal with a long neck? This animal almost live in China? Which animal is the king of the forest? The most beautiful bay in Viet Nam. An ____ a day keeps the doctor a way. A place where a stream or river falls from a high place?

6. Forest fires

7. Forest clear-cutting (deforestation)

8. Oil tanker spill

9. Liquid pollution Forest fires Air pollution extinction Environmental problems

10. Before you read

11. Vocabulary: + destruction (n) + dam (n)   A hydroelectric dam + circulation (n) + run-off (n) + defence (n) + conservation (n) sự bảo tồn sự tàn phá đ ập (ng ă n n ư ớc) đ ập thuỷ đ iện sự l ư u thông sự tháo chảy sự bảo vệ conserve (v) + erosion (n) sự xói mòn [ di'fens ] [,kɔnsə:'vei∫n ] [ dis'trʌk∫n ] [ dæm ] [,haidrou i'lektrik ] bảo tồn [,sə:kju'lei∫n ] [ 'rʌn'ɔ:f ] [ i'rouʒn ] + to play an important part in sth [ kən'sə:v ]

12. While you read

13. Matching the word in A with a suitable definition in B AB 1.eliminate. 2.circulation 3.run-off 4.hydroelectric a.the movement of something around a closed system. b. concerning or producing electricity by the power of falling water c. remove or get rid of completely d. liquid which flows off or from (something) Task 1

14. 1) Each year about fifty hundred species of plants and animals are eliminated Decide whether the following statements are true (T) or false (F): 2) Many kinds of plants could be used to treat various dangerous diseases: cancer, AIDS,… 3) Water can be held on land by vegetation T T T Task 2

15. 4) Man is constantly doing harm to the environment 5) Plants may cause floods and erosion 6) We can do nothing to save the earth T F F Task 2

16. Choose the most suitable main idea for each paragraph. 1. We cannot live without water. 2. Let’s do something to save the earth. 3. Forests give us a lot of valuable things. 4. Vegetation can help conserve water. Task 3

17. After you read

18. Answer the following questions: 1) What is the consequence of losing forest? 2) How important is water in our life? 3) What should we do for the future of our planet?

19. Homework - Learn by heart all the new words - Do the exercises in work book - Prepare the next lesson