Bài giảng môn Tiếng anh Khối 8 - Unit 7, Lesson 6: Skills 2

Unit 7: PollutionSKILLS 2VOCABULARYalgal (n) tảobloom (v,n) nở hoadischarge (n,v) đổ raCool (v) làm mátPopulation (n) dân sốPower plant (n) nhà máy điệnPower station (n) nhà máy 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) ..hottercoolerCauses- Power plants using water to (3) .. equipment.- Discharge of cold water into (4) .coolwarm riversSOLUTIONSBuilding cooling towers to (10) . the water.Effects- (5) .. . ..decreasing oxygen- Less oxygen harming (6) ..- (7) algal blooms being another effect- Can change (8) .. of the water and (9) fish.Warmer waterfish populationsHarmfulcolorpoisoncool down2. Listen WRITING3. Work in pairs. Discuss the causes and effects of one type of pollution in your area. Make notes in the diagram. . pollutionDefinition: EFFECTS CAUSES 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 /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:Exercise 3,4,5p12 Air pollution occurs when the air contains gases, dust, fumes in harmful amounts.-industrial waste exhaust from cars and planecausing diseases, death to human, damage to other living organisms such as animals and food crops, or the natural environment.Air PollutionAir pollution /be / one / serious /type / pollution. Air pollution occurs ........... which /be / harmful / man, vegetation, and animals .Air PollutionAir 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 / different causes. The major source / air pollution /be/ . The second /be / ......................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 / dramatic effects. It causes 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. Air PollutionAir 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?HOMEWORKLearn 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 againAir pollutionDefinition: Air pollution occurs when the air contains gases, dust, fumes 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 environment. Air PollutionAir 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...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 environment and the buildings look dirty. So, what should we do to reduce air pollution?Suggested article