1. Well Come

2. Introducing Teacher ID:30 Asst.Teacher(English) Shaharpar G.A. Dakhil Madrasha Dabidwar, Comilla Mob: 01816162333 E-mail:rabiulhasan.biu@gmail.com ID:30 Asst.Teacher(English) Shaharpar G.A. Dakhil Madrasha Dabidwar, Comilla Mob: 01816162333 E-mail:rabiulhasan.biu@gmail.com Md.Rabiul Hasan

3. Introducing Subject English 1 st paper Class-ten Period-3 Date-16-04-2015

6. Acid Rain Unit : 14 Lesson : 02 Topic : Acid Rain Unit : 14 Lesson : 02 Topic : Acid Rain

7. Learning outcomes By the end of the lesson the ss will able to know 1.ask and answer question. 2.talk about acid rain. 3.understand the passage.

8. Flood Spate Cyclone Drought

9. So we have known that acid rain is more dangerous than all of them.

10. Vocabulary Substance Rainwater Slightly উপাদান

11. Severely Polluted নিষ্ঠুরভাবে দূষিত

12. Vinegar Lake টক জিনিস হৃদ

13. Breathings Wild life শ্বাস প্রশ্বাস বন্য প্রাণী

14. Chest illnesses Spoil Stain বুক ব্যাথা বিকৃত করা দাগী

15. Substances called acids have a sharp taste known as acidity. Ordinary rainwater is slightly acidic. But in severely polluted areas, rain can be as acidic as the acids of lemon juice or vinegar.This rain which is very acidic can cause damage to tree,lakes, wild life, buildings and human life A

16. There is a link between acid rain and damage to human health. Breathing in the chemicals can harm people, causing chest illnesses. Also, when acid rain causes the release of chemicals and metals into drinking water, it can damage peoples health.

17. Acid pollution spoils the colours of paint, wakens leather and washes away building materials. Some stain-glass windows are 1,000 years damage has become a problem. Fading of the colours of the glass is a common result of acid rain. Many of the world”s famous buildings are at risk from acid pollution. Damage to the beautiful Taj Mahal in India, caused by sulphur pollution from nearby oil refineries, was one of the indicators of acid pollution occurring in the developing world.s

18. B. Answer the Question 1.Why is acid rain harmful ? 2.How does acid rain damage human health ? 3.How is drinking water affected by acid rain ? 4.What effect does acid rain have on stained glass windows ? 5.What does the damage of the Taj Mahal indicate ? Pairs Work

19. Evaluation 1. What is the meaning of chest illness ? 2. What do you mean by acid rain ?

20. Thank You