Bài giảng môn Tiếng anh Khối 8 - Unit 7: Pollution

UNIT 7. POLLUTIONUNIT 7. POLLUTIONLesson 1. Getting startedPollution (n)	pollutant (v) 	chất gây bẩn + pollute (v) 	polluted (adj)Poison (v/n) + poisonous (adj)Die (v) + death (n) + dead (adj)Aquatic (adj)	 /əˈkwɑːtɪk/ 	dưới nướcDump (v)	 /dʌmp/ 	thải ra, vứt raBless you! 	Chúa phù hộ cho bạn!- to come up with	nghĩ ra illustrate (v) 	 /ˈɪləstreɪt/ 	minh họa 	+ illustration (v) : hình minh họaradioactive (adj) 	 /ɪkˈspəʊz/ 	thuộc về phóng xạ thermal ( adj) 	 /ˈθɜːrml/ 	thuộc về nhiệt visual (adj) 	 /ˈvɪʒuəl/ 	thuộc về thị giác 1.Who can you see in the picture? Mi and Nick2. Where do you think they are? They are in Mi’ s home village.3. What can you see in the picture ? smoke from the factory, waste, poison from the factory, water is black, the fish are dead. 4. What do you think the people in the picture are talking about? They are talking about their environmental project.1a. Find a word / phrase that means : II. LISTEN AND READ1. no longer alive2. growing or living in, on, or near water3. throwing away something you do not want, especially in a place with is not allowed4. A substance that can make people or animals ill or kill them if they eat or drink it 5. Made unclear or unsafe to use6. To think of an idea, or a plan dead L10aquaticL16dumpL10poison L15 pollutedL13 to come up with L22b. Answer the questions. 1. Where are Nick and Mi ? 2. What does the water in the lake look like ?3. Why is Mi surprised when they get closer to the lake?4. What is the factory dumping into the lake?5. Why is Nick sneezing so much ? They are in Mi’s home village. Almost black Because she sees the fish dead. poison. Because the air is not clean.c. Tick ()true (T) , false (F), or no information (NI)1. The water in the lake has been polluted by a ship.2. Water pollution in the lake has made the fish die.3. Aquatic plants may also die because of the polluted water.4. Nick wouldn’t sneeze so much if the air was clean.5.Nick and Mi will give a talk about water and air pollution.TFNI     2. There are different types of pollution. Write each type under a picture:a. radioactivepollutionb. noisepollutionc. visualpollutiond. thermalpollutione. waterpollutionf. land/ soilpollutiong. lightpollutionh. airpollution3. Complete the sentences with the types of pollution.When ............. happens, the water temperature in streams, rivers, lakes, or oceans changes.2. . occurs when the atmosphere contains gases, dust, or fumes in harmful amounts.3. When radiation goes into the land, air or water, it is called 4. Too much use of electric lights in cities may cause ..5. .. is the contamination of lakes, rivers, oceans, or groundwater, usually by human activities.6. happens when human activities destroy the Earth’s surface.7. .. occurs because there are too many loud sounds in the environment.8. The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may case thermal pollution Air pollution radioactive pollution light pollution Water pollution Land / Soil pollution Noise pollutionvisual pollution4. Work in groups. Which types of pollution in 3 does your neighbourhood face? Rank them in order of seriousness. Give reasons for your group’s order. It’s air pollution, noise pollution and visual pollution. Air pollution does harm to your health. Noise pollution can make you stressed. Visual pollution is nit good for sight around.UNIT 7. POLLUTIONLesson 2. a closer look 1* WARM UP: BRAINSTORMING POLLUTIONAir pollutionLight pollutionSoil pollutionWater pollutionNoise pollution visual pollutionThermal pollutionradioactive pollution- birth defect (n):expose to (v):be exposed to : contaminate (v):	làm bẩn damage (v/n): 	hư hạiVocabularykhuyết tật bẩm sinhtiếp xúc vớibị nhiễm/ˈdiːfekt//ɪkˈspəʊz//kənˈtæmɪneɪt/1. Complete the table with appropriate verbs, nouns and adjectives:1. VerbNounAdjectiveto poison(1)------------------poisonous(2)----------------- contaminationcontaminantcontaminatedto pollutepollution(3)------------------(4)------------------to die(5)-------------------Deadto damagedamage(6)------------------poison.contaminatepollutant polluteddeathdamaged(làm bẩn)(chất gây bẩn)(chất gây ô nhiễm)2. Complete the sentences with the words from the table in 1. You do not need to use all the words. The first letter of each word has been provided.1. The p____________ chemical waste is dumped into the river 2. Do you know what p__________ cause air pollution ?3. The d _________ fish are floating in the water.4. Don’t drink that water. It’s c____________ .5. The acid rain has caused d____________ to the trees in the area.6. If we p _____ the air, more peple will have breathing problems.oisonousollutantseadontaminatedamageolluteGrammarPhrases of cause and effect1. Since / because + S + V- Since the water is polluted, the fish are dead. - Because the water is polluted, the fish are dead. 2. due to / because of + Nphrase- The fish are dead because of the polluted water .- The fish are dead due to the polluted water .CAUSE( Vì )( Vì )( nguyên nhân )- The water is polluted, so the fish are dead. 1. so + S + VEFFECT 2. to cause sth / to lead to sth / to result in sth - The polluted water causes/ results in the death of the fish 3. to make sb / sth do sth - The polluted water makes the fish die . ( hậu quả)3. a. Decide which sentence in each pair of sentences is a cause and which is an effect. Write C (for cause) or E (for effect) next to each sentence. Note that the words in brackets relate to Activity 3b.C E C E C E C E E C b. Combine the sentences in each pair into a new sentence that shows a cause/ effect relationship. Use the cause or effect signal word or phrase given in brackets. You will have to add, delete, or change words in most sentences.EXAMPLE:1. Because people throw litter on the ground, many animals eat it and become sick Oil spills from ships in oceans and rivers lead to the death of many aquatic animals and plants.2. Ships spills oil in oceans and rivers . Many aquatic animals and plants die. (lead to) Households dump waste into the river so it is polluted.3. Households dump waste into the river. it is polluted. (so)  Since the parents were exposed to radiation, their children have birth defects. We can’t see the stars at night due to the light pollution.4. Their children have birth defects. the parents were exposed to radiation. (since)5. We can’t see the stars at night . There is too much light pollution.(due to)4. Work in groups. Look at the pairs of pictures. Give as many sentences as possible to show cause/ effect relationships.Example 1. People cough because they breathe in the fumes from cars.4. We plant trees, so plants can’t grow.2. The soil is polluted, 3. We won’t have fresh water to drink because of water pollution.so we can have fresh air.ArtisticAthleticHistoricHistoricalLogical6. Physical7. Heroic8. Poetic9. Botanic10. Botanical5. Listen and mark the stress in each word, then repeat it.6. Underline the words ending in -ic and circle the words ending in -al in the following sentences. Mark the stress in each word. Listen and check your answer, then repeat the sentences.Revise the new words, exercises, pronunciation. Make sentences with the way to use “cause and effect” in the work notebook.Complete Ex.3bPrepare the new lesson : A closer look 2English 8UNIT 7 . POLLUTIONPERIOD 57: A CLOSER LOOK 2Welcome to our classConditional sentences IF clause => Main clauseExamplesType 1:Tương lai có thể xảy ra. (Future possible) am, is, are shallIf + S + Vs/es , S + will + V don’t +V can doesn’t +V may V must V Don’t +VIf it rains well, the farmers will get good cropsYou can use my telephone if you need.You must work hard if you want to earn a lot of money.Come to visit me if you have free time.Don’t smoke cigarettes unless you want to be healthyType 2:Hiện tại không thật(present unreal) Ved1 couldIf + S + didn’t + V , S + would + V was/ were might weren’t had toIf I were you, I would learn english very well.He might save his money if he did not play cards today.* Chú ý: khi tương lai không thể xảy ra thì phải dùng type 2In the future if the sun rose in the east, there would be a lot of changes in the worldConditional sentences: if, supposing: nếu như, unless: nếu không, on condition that: với điều kiện là, as long as: miễn là, chỉ cần, với điều kiện làGRAMMARIf we (cycle) .. more, we (help) .. the Earth.2. Factories (not dump) .. waste into rivers if the government (fine) ... ..them heavily.3. If people (travel) .. to work by bus, there (be) . fewer car fumes.4. We (save) . . thousands of trees if we (not waste) paper.5. If we (use) water carefully, more people (have) . fresh water.1. Conditional sentences type 1: review 1. Put the verbs in brackets into the correct form. recyclewill helpwill not/won’t dumpfinestravelwill bewill savedon’t wasteusewill have2. Combine each pair of sentences to make a conditional sentences type 1.Students are more aware of protecting the environment. Teachers teach environmental issues at school.2. Light pollution happens. Animals change their behaviour patterns. Students will be more aware of protecting the environment if teachers teach environmental issues at school. If / When light pollution happens, animals will change their behavior patterns.The levels of radioactive pollution decrease. We switch from nuclear power to renewable energy sources.4. The water temperature increases. Some aquatic creatures are unable to reproduce.5. People get more diseases. The water is contaminated. The levels of radioactive pollution will decrease , if we switch from nuclear power to renewable energy sources. If the water temperature increases, some aquatic creatures will be unable to reproduce. People will get more diseases if the water is contaminated.If I were you, I’d look for a new place to live. (B)If lan wasn’t ill, she would join our tree planting activity. (C)If there were fewer cars on the road, there would be less pollution. (D)If people really cared about the environment, they wouldn’t dump waste into the lake. (E)If there was no fresh water in the world, what would happen? (A) 4. Put the verbs in brackets into the correct form.If you (be) the president, what you (do) to help the environment?2. They get sick so often. If they (exercise) . more, they (be) .. healthier.3. If I (have) one million US dollars, I (build) .. more parks in our city.4. Ngoc’s mother is unhappy. If Ngoc (tidy) .. her room every day, her mother (not be) so upset. 5. There isn’t a garden at our house. If there (be) , we (grow) vegetables.werewould you doexercised would behadwould buildtidiedwouldn’t bewas / werewould grow5. Write a conditional sentence type 2 for each situation, as in the example.People throw rubbish in the street. The street doesn’t look attractive.2. There are so many billboards in our city. People can notenjoy the view. If there weren’t so many billboards in our city, people could enjoy the view.3. There is so much light in the city at night. We can not see the stars clearly. If there wasn’t so much light in the city at night, we could see the stars clearly / If there weren’t so much light in the city at night, we could see the stars clearly. If people didn’t throw rubbish in the street, It would look attractive.4. We turn on the heater all the time. We have to pay three million dong for electricity a month. If we didn’t turn on the heater all the time, we wouldn’t have to pay three million dong for electricity a month.5. The karaoke bar makes so much noise almost every night. The residents complain to its owner. If the karaoke bar didn’t make so much noise almost every night, the residents wouldn’t complain to its owner.6. She has a headache after work every day. She works in a noisy office. She wouldn't have a headache after work every day if she didn't work in a noisy office.HOMEWORKLearn by heart the grammarDo the exercises B5,6- 5 (Workbook)B3,4- 4,5 (Exercise notebook)Prepare: Unit 7 (Communication)Unit 7: PollutionLesson 5:Skills 1Period 59I. Vocabulary:- sewage /ˈsuːɪdʒ/ (n): nước thải sống, nước cống - household (n) /ˈhaʊshəʊld/ : hộ gia đình - pesticide (n) /ˈpestɪsaɪd/ : thuốc trừ sâu - herbicide (n) /ˈhɜːbɪsaɪd/ thuốc diệt cỏ - factor (n) /ˈsuːɪdʒ/ nhân tố - dramatic (adj) /drəˈmætɪk/ kịch tính, sâu sắc- outbreak (n) /ˈsuːɪdʒ/ sự phun ra, sự bùng phát- cholera (n) /ˈkɒlərə/ bệnh tả - untreated (adj) /ˈsuːɪdʒ/ không xử lý II. Reading:1. The second paragrah tells us about the causes of water pollution.2. The third paragraph tells about the effects of water pollution.3. It’s the water beneath the earth’s surface.6. They use herbicides to kill weeds.5. They are pollutants from storm water and the atmostphere.4. They are industrial waste, sewage, pesticides and herbicides.choleradiepolluted waterdeadaquatic plantsIV. Homework:Learn by heart the vocabulary.Do the exercises D1,2- 7 (Workbook) C2,3- 7 (Exercise notebook)Prepare: Unit 7 (Skills 2)Unit 7: PollutionPERIOD 60: SKILLS 2Friday, February 10th, 2017VOCABULARY‘algal (n) tảobloom (v,n) nở hoadischarge (n,v) phóng điệnPower plant (n) nhà máy nhiệt điệnPower station (n) trạm phát điệnDefinition (n) :Solution (n)LISTENINGThe 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