Welcome Azizul Fakir Assistant Teacher Dighirjan Secondary School

Welcome

Azizul Fakir Assistant Teacher Dighirjan Secondary School Nazirpur, Pirojpur Mobile: 01710745128 Email: azizul. nk@gmail. com

What do you see here these picture? Pollution with brick kilns. Pollution by throwing dust. Pollution from mills factory. We see some images of environment pollutions

So, our today’s topic is…. . Environmental pollution Unit Five Lesson 2

By the end of the lesson student will be able to 1. 2. 3. 4. infer word meaning. ask and answer the questions talk about environment pollution tell about protection of environmental pollution.

Word meaning: Urban Meaning Town Relating to a city or town.

Vehicles Meaning Conveyance A thing used for transporting people or goods.

Substance Meaning Element A particular kind of matter with uniform properties.

Enormous Meaning Much Very large in size, quantity.

Drainage Meaning Expulsion The action of processing draining something.

Pesticides Meaning Antimicrobial A substance used for destroying insect or other harmful animals.

Please open at page 58 to your text book and read ….

Can you tell me about this picture? Air pollution Water pollution Soil pollution

What did you see in the video? Now watch a video

Pair work 1: Write 5 sentences about air pollution. 2: Write 5 sentences on water pollution. Time: 7 minutes

Watch pictures carefully Talkthe about the pictures Polluting water in ocean Polluting water in ponds lakes in rivers

Underground reservoirs Water pollution can occur in oceans, rivers, lakes, ponds and underground reservoirs.

What can you see here? Polluting land In fact, polluting the land means polluting the water

What can we see here? Throwing away a toxic substance on ground near a water source means it eventually reaches the body of water. As a result, the water is polluted.

What is it? Industrial wastes must not be disposed in rivers or lakes.

What can we see here? We can see here using pesticides in crops field. Use of pesticides means that when it rains, chemicals used in the lawn or garden wash into the water bodies.

What can we see here? Bad effect of mismanagement of polyethene bags The mismanagement of household wastes, particularly the polythene shopping bags, has caused serious threat to the soil and the drainage system.

What can we see here? We see here using pesticides and fertilizers Overuse of pesticides and fertilizers have led to soil pollution.

What can we see here? We can see here natural fertilizers and compost Natural fertilizers and compost can be used instead of their chemical alternative.

What can we see in these pictures? Recycling papers Recycling plastics Recycling papers, plastics and other materials reduces the volume of refuse in landfills.

Which picture is this? Deforestations De-forestation also causes erosion, pollution and the loss of fertility in the to topsoil.

What is it? Reforestations. Planting trees and re-forestation help prevent soil erosion and pollution.

Group work: 5 mins. Write 5 sentences on how to protect environment pollution.

Evaluation: 1. What is water pollution. ? 2. Write five sentences about soil pollution.

Home work How we can safe our environment? Write in 10 sentences.

Thanks