Period 42
Unit 7: POLLUTION
Lesson 5
SKILLS 2
WARM UP
Thermal pollution
LISTENING
1. Describe what you see in the pictures and talk about the relationship between them.
The picture shows an algal bloom in coastal seawater.
The picture shows the cooling tower from a power station.
They are both related to thermal pollution.
2. Listen to part of a conversation on TV between a reporter and an environmentalist about thermal pollution. Complete the diagram. Use no more than three words for each blank.
hotter
cooler
cool
warm rivers
warm water
fish population
Harmful
colour
poison
cool down
2. Listen to part of a conversation on TV between a reporter and an environmentalist about thermal pollution. Complete the diagram. Use no more than three words for each blank.
WRITING
Air Pollution
Air pollution /be / one / serious /type / pollution. Air pollution occurs …........... which /be / harmful / man, vegetation, and animals….
Air pollution can / different causes. The major source / air pollution /be/ ………….
The second /be / ......................
Air pollution can / dramatic effects. It causes …………
So, what should we do to reduce air pollution?
Definition:

Causes:
Effects:


Air pollution occurs when the air contains gases, dust, fumes in harmful amounts.
- industrial waste
- exhaust from cars and plane
causing diseases, death to human, damage to other living organisms such as animals and food crops, or the natural environment.
Air Pollution
Air pollution is one of a serious type of pollution. Air pollution occurs when the air contains gases, dust, fumes in harmful amounts which are harmful to man, vegetation, and animals….
Air pollution can have many different causes. The major source of air pollution is industrial waste from factories. The second is the exhaust from cars, motor vehicles and planes...
Air pollution can have dramatic effects. It causes various dangerous diseases, death to human, damage to other living organisms such as animals and food crops, or the natural environment and the buildings look dirty.
So, what should we do to reduce air pollution?
4. Imagine that you two are writing an article for the local newspaper about a type of
pollution in your area. One of you writes about the causes and the other writes about
the effects of the pollution type you have just discussed in 3

5. Read each other’s work and put them together to make a complete article.
HOMEWORK
- Workbook- unit 7- part E
- Prepare “Looking back & Project” for the next lesson.