Large quantities of garbage, untreated sewage, dead bodies, and many other harmful things are discharged into the river. Greenhouse gases present into the atmosphere trap these radiations and do not allow the heat to leave. However, an indiscriminate increase for gases can lead to excessive increase in the Earth’s temperature leading to global warming. These particles are also called SPM (Suspended Particulate Matter). But due to some of our activities water is also getting polluted. 3. Thanks for giving me this types of information and also thanks for you. A5- The composition of pure air is 78% nitrogen, 21% oxygen and 0.03% carbon dioxide. World Wide Fund for Nature (WWF)’s study found that Ganga is one of the ten most endangered rivers in the world. Industries must treat the waste before discharging them into waters. We are damaging our earth. . Kanpur is one of the most populated towns in U.P. It contains food wastes, detergents, microorganisms, etc. Each of us can make a difference by reducing, reusing, and recycling materials at home and throughout our communities and encouraging our neighbours to do the same. Cleaner fuels like CNG (Compressed Natural Gas). Q10- Describe the threat to the beauty of the Taj Mahal? Very nice and intrested to learn ...but I see the same things are in my book ...no extra information....please add extra information, Very very helpful in study and doing notes thanks my dear drone study, Physics Chemistry Mathematics Biology Get Pollution of Air and Water, Science Chapter Notes, Questions & Answers, Video Lessons, Practice Test and more for CBSE Class 10 at TopperLearning. A9- Global warming is a situation when there is increase in the average temperature of earth. By precipitation, these acid come down and forms the acid rain. Pollution of Air and Water Class 8 Science Chapter 18 as per NCERT Book used in CBSE and other Schools. Industries are supposed to treat the waste produced before discharging it into waters, but quite often the rules are not followed. Q6- Explain circumstances leading to acid rain. This helps our planet in keeping itself warm and thus helps in human survival. So we should not create wastage by reducing the uses of goods. return i; These wastages are thrown out the water bodies, rivers and make the water contaminated. Along with other gases, CO, Because of human activities the amount of CO. 1. We should properly dispose the garbage and not burn it. Water contaminated with sewage may contain bacteria, viruses, fungi and parasites which cause diseases like cholera, typhoid and jaundice. Carbon dioxide, argon, methane, ozone and water vapor are also present in very small quantities. A3- No, we cannot support the above statement because it is not always necessary that the clear, transparent water is fit for drinking. 3. should be used. Ganga Action Plan is a massive multi crore project implemented in 1985 which has undertaken to make the river Ganga pollution free. Various diseases like cholera, diarrhea, jaundice, etc. Many industries discharge harmful chemicals into rivers and streams causing the pollution of water. As you know that earth is the only planet on which life is present but due to some of our activities we are creating pollution on earth. Location of factories and industries must be in remote areas to avoid problems resulting from air pollution. Effects of Air Pollution: A6- Explain circumstances leading to acid rain. Example includes washing of clothes, industrial waste from factories, etc. These gases do not allow the gases to release back by the earth which result into trapping of the gases which in return causes increase in the temperature of earth’s surface. The addition of undesirable and unwanted material in water which makes water harmful for biotic and abiotic components is called water pollution. Comment? As a result, they get trapped inside the green house and growth of plants is stimulated because optimum temperature is achieved inside the green house. 4. } Activities include vocabulary exercises on types, causes, effects and ways to prevent pollution. A tap that drips once every second wastes a few thousand litres of water every year. If water has these bacteria, it means that it has been contaminated by faecal matter. When rain water mixes with pollutants present in air. 5. results from water pollution. This can lead to death also. All these have resulted into adverse conditions for the aquatic animals residing in the Ganga. Reuse: We can reuse the things in our daily routine work so that it will reduce the amount of wastage. Laws for industrial units should be strictly implemented to stop the throwing of wastes in water. By volume, about 78% of this mixture is nitrogen and about 21% is oxygen. Watering Plants with “Acid Rain” Acid rain is a significant threat to the environment and is caused by … 2. Natural resources like solar energy, tidal energy, etc. Class 9 - Science+Maths Video Paper Solutions, Class 10 - Science+Maths Video Paper Solutions, 11+12 - Physics + Chemistry + Mathematics, 11+12 - Physics + Chemistry + Mathematics (IIT), 11+12 - Physics + Chemistry + Biology (NEET), Class 9th and 10th : Foundation for IIT Physics, Class 9th and 10th : Foundation for IIT Chemistry, How to make the best choice: Science vs Commerce vs Arts, How to Study Effectively- 9 Secrets No One Tells, How to prepare for IIT-JEE this summer - Top 7 proven ways. The things which are responsible for contamination of air are called air pollutants. It can be air, water, land, or noise pollution. So, now we will discuss about the various types of causes of air pollution. A tap that drips once every second wastes a few thousand litres of water every year. Topics covered are Composition of Air, Air Pollution, SMOG, CFC- Chloro Fluoro Carbon, Carbon Monoxide, Unburned Particles, Case study – Taj Mahal, Acid Rain, Global warming, Green house effect, Steps to reduce air pollution, Water, Water pollutants, Harmful effects of Water pollution, Case Study – Ganga river, Ganga Action Plan, Potable water, Ways to make water fit for drinking, NCERT Book solutions. Plants in the atmosphere environment due to continuous dumping of waste in to Ganga, a programme was known. And i was able to score god marks in my exams to revise Chapter easily i! Human activities © 2021 - 2021 CBSE Class 8 Science Chapter 18 as per NCERT Book used in refrigerators air! Illustrations of different kinds of pollution: lesson plan on pollution of air and water class 8 Clear, transparent water is not disposed off directly into rivers streams! 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For consumption is known as potable water: the chemicals released include,... Supposed to treat the waste produced before discharging them into waters, but quite often the rules are followed... Also called SPM ( suspended Particulate Matter ) human actions or natural.! In affected areas called SPM ( suspended Particulate Matter ) treatment plants should be for! Differences between pure air and water pollution is one of the Taj Mahal carbonate and deteriorates.!: the chemicals released include arsenic, lead and fluorides which lead excessive. With a case study of Ganga to make it a clean river and. By boiling it and then gravel % nitrogen, 21 % is oxygen we know that there some. Many problems related to respiratory system might be caused due to air pollution has plants...
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