See more lessons below: What is air pollution? Air pollution (say: po-loo-shun) occurs when gases, dust particles, fumes (or smoke) or odour are introduced into the atmosphere in a way that makes it harmful to humans, animals and plant. This is because the air becomes dirty (contaminated or unclean). The Earth is surrounded by a blanket of air (made up of various gases) called the atmosphere. The atmosphere helps protect the Earth and allow life to exist. Without it, we would be burned by the intense heat of the sun during the day or frozen by the very low temperatures at night.
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Any additional gas, particles or odours that are introduced into the air (either by nature or human activity) to distort this natural balance and cause harm to living things can be called air pollution. Things that pollute the air are called pollutants. Examples of pollutants include nitrogen oxides, carbon monoxides, hydrocarbons, sulphur oxides (usually from factories), sand or dust particles, and organic compounds that can evaporate and enter the atmosphere. There are two types of pollutants: Primary pollutants are those gases or particles that are pumped into the air to make it unclean. They include carbon monoxide from automobile (cars) exhausts and sulfur dioxide from the combustion of coal.
What is Pollution for Kids? It Affects the Environment and Your Health. Facebook Twitter More. Read More: Recycle Facts for Kids. Water Pollution. Humans are the cause of water pollution, directly and indirectly. We mindlessly throw our trash in the ocean, not thinking about what that may cause.
Secondary pollutants: When pollutants in the air mix up in a chemical reaction, they form an even more dangerous chemical. Photochemical smog is an example of this, and is a secondary pollutant. Why is air pollution such an important issue today? Click this button to see: New Word: Ambient Air Pollution This is simply outdoor air pollution, usually caused by emissions from transportation, power generations, agriculture and open burning. The chemicals in Ambient Air Pollution is different from that of indoor air pollution. When pollution occurs in the air, it can easily travel and spread, and because we breathe in air, we cannot easily avoid it.
Water Pollution Showing top 8 worksheets in the category - Water Pollution. Some of the worksheets displayed are Water pollution lesson 3, Work brainstorming, Water pollution e, G4 u6 l3 lesson 3 pollution the suspect, Protecting our water resources student activities for the, Water wise work, Lesson earth and space science water pollution, Pollution fascinating facts. Once you find your worksheet, click on pop-out icon or print icon to worksheet to print or download. Worksheet will open in a new window. You can & download or print using the browser document reader options.