welcome. introduction mahfujul alam assistant teacher baira high school singair manikgonj sub;...

Welcome

Introduction

• Mahfujul alam• Assistant Teacher• Baira High School• Singair Manikgonj

• Sub; English 1st paper• Class:9• Unit:5• Lesson:2

Smoke of brick fields Poisonous materials of industries

Environmental pollution

Learning Outcomes

By the end of the lesson the ss will be able to…1. say the definition of environmental pollution2. write the name of many kinds of pollutions3. say the meaning of some new words4. find out the causes of pollutions5. describe the harmful effect of pollutions

Water is being polluted by industrial wasteA person is throwing waste material

Poisonous smoke Sound and air pollution

Environmental pollution:When the most important elements of environment are affected by the huge smokes,waste materials or loud sounds,it is called environmental pollution.

Over smoking Unconscious wastes throwing

Over sound

Causes of environmental pollution:

• Construction of indiscriminate industries• Over pollution• Throwing waste materials randomly• Practising loud speaker box

Increasement of carbon-di-oxide Breaking out fatal diseases

Drought

Effects:1. Increasing carbon-di-oxide2. Increasing drought or heavy rainfall3. Increasing fatal diseases4. Creating greenhouse effects

New words

Decade-----------A period of ten yearsReduce-----------MinimizeSignificant-------ImportantHazardous-------HarmfulIndiscriminate—Without judgement

Group work:

Describe with your partner about the bad side of environmental pollution

Evaluation

i. What is an environmental pollution?ii. Can you tell the name of common

environmental pollutions?iii. How is our environment being

polluted?iv. What are the bad effects of it?

Home work

Describe the way how we can be free from environmental pollution

Thank you much