WALA: TRAFFIC PROBLEM

WALA: TRAFFIC PROBLEM

L.O: to identify traffic problems and their effects.

REVIEW

Review the previous lesson through oral questions.

Introduction

ask learners to give some of the traffic problems they already Know.

How does it affect the environment?

Do this work in pairs

Traffic problems

1. Roads can become overcrowded, causing traffic jams. This is called congestion.

2. Fumes from traffic can cause air pollution which reduces the quality of air that we breathe.

3. Lots of ehaust fumes and car noise make the environment really unpleasant.

4. If there is a lot of traffic it can be difficult for vehicles to park.

5. It can be dangerous for pedestrians to cross the road

6. Road accidents

7. Vibrations caused by heavy motor vehicles which can damage buildings.

AIR POLLUTION

Fumes from motor vehicles contain:

1). Soot which dirties buildings and damages the lungs of people who breathe it in.

2). carbon monoxide- A gas that prevents oxygen being taken into the body .

3). Nitrogen oxides -gases that help to cause acid rain and also global warming that traps sun's heat.

4. Hydrocarbons- gases that may cause cancer and breathing problems' and also help to cause global warming.

PLENARY

NOTE

1. Many children suffers from asthma and other breathing difficulties.

2. Air pollution

3. Noise pollution

4. Many people are killed or injured in road accidents