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