Learning about acid rain a teachers guide for grades 6. Rain is called acid rain only if it has more acid than normal. Nowadays, acid rain has become the talks of the day. Acid rain is one of the major environmental threats since 19th century. You can find epa content listed alphabetically, from acid rain to wetlands. Acid rain, sulphuric, deposition, nitrogen, pollutants causes.
Acid rain is the term given to increased acidity of rain due to the effects of gases from. All presentations are compiled by our tutors and institutes. Project report on acid rain environmental pollution. Caused when rain droplets absorb air pollution like sulfur and nitrogen oxides, acid rain weakens trees by dissolving nutrients in the soil before. Introduction to acid rain normal rain water is always slightly acidic because c02 present in atmosphere, get dissolved in it form carbonic acid. Called acid rain, it can cause environmental devastation. Comprehensive collection of powerpoint presentations ppt for evs. Start here if you have a topic or term in mind but dont know where to find it on epas website.
Acid rain was discovered in the 19th century by robert angus. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. It causes economic damage to manmade structures buildings, fabrics. Some of these gases especially nitrogen oxides and sulphur dioxide react with the tiny droplets of water in clouds to form sulphuric and nitric acids. Study the causes, effects, along with a few examples and understand the prevention measures. Acid rain facts and information national geographic. Although the number of vehicles, plying in indian cities including metropolitan is still insignificant as compared to the. Acid rain forms when certain atmospheric gases primarily carbon dioxide, sulphur dioxide, and. Effects, control pdf of full length paper is available with author. Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions low ph. In particular, acid rain falling over the oceans is rapidly neutralized by the large supply of co3 2ions chapter 6. This project allows your students to get a handson look at possible sources of acid rain in their area. Acid rain is caused by the emissions of sulfur dioxide so2 and nitrogen. The main causes of acid rain are gases called sulfur dioxide so2 and nitrogen oxides nox.
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