Bài giảng Tiếng anh Lớp 8 - Unit 7, Lesson 6: Skills 2 - Trần Kim Phương

Good morning!Unit 7: PollutionPERIOD 60: SKILLS 2Friday, February 10th, 2017VOCABULARYalgal (n) tảobloom (v,n) nở hoadischarge (n,v) phóng điệnPower plant (n) nhà máy nhiệt điệnPower station (n) trạm phát điệnLISTENINGThe first picture shows an algal bloom in coastal seawater.Describe what you see in the pictures and talk about the relationship between them.- The second picture shows the cooling towers from a power station.They are both related to thermal pollution.Listen and check your answers.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.Thermal pollution:- Definition:(1) or (2) ..SOLUTIONSBuilding cooling towers to (10) .. the water.Causes- Power plants using water to (3) .. equipment.- Discharge of cold water into (4) .Effects- (5) .. .decreasing oxygen- Less oxygen harming (6) ..- (7) algal blooms being another effect- Can change (8) .. of the water and (9) fish.hottercoolercoolwarm riversWarm waterfish populationsHarmfulcolorpoisoncool downWRITING3. Work in pairs. Discuss the causes and effects of one type of pollution in your area. Make notes in the diagram. . pollutionDefinition: EFFECTS CAUSES Air pollutionDefinition: Air pollution occurs when the air contains gases, dust, fumes or odour in harmful amounts.Causes: industrial waste, exhaust from cars and plane Effects: causing diseases, death to human, damage to other living organisms such as animals and food crops, or the natural or built environment.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. Air PollutionAir pollution is now a serious problem for those living my area. Air pollution may be any industrial waste, gases , dust, fume or odour in harmful amounts which are harmful for man, vegetation, animals or buildings.Air pollution can have some different causes. The major source of air pollution is industrial waste from factories. The second is exhaust from cars, motor vehicles and planes...Agricultural activities as crop spraying with pesticides and herbicides are another one.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 or built environment. The buildings look dirty. So, what should we do to reduce air pollution?Suggested articleHOMEWORKLearn by heart vocab.Rewrite the article and do exercises E1,2 ( PAGE 10- workbook). Prepare part : LOOKING BACK & PROJECTThanks for your attendance!Goodbye. See you again