Water | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-08

This is an audio version of the Wikipedia Article:
Water


00:02:12 1 Etymology
00:02:55 2 Chemical and physical properties
00:03:35 2.1 States
00:06:09 2.2 Taste and odor
00:06:46 2.3 Color and appearance
00:08:30 2.4 Polarity and hydrogen bonding
00:11:01 2.5 Electrical conductivity and electrolysis
00:11:41 2.6 Mechanical properties
00:12:50 2.7 Reactivity
00:13:16 3 On Earth
00:15:03 3.1 Water cycle
00:17:21 3.2 Fresh water storage
00:18:06 3.3 Sea water and tides
00:19:32 4 Effects on life
00:21:32 4.1 Aquatic life forms
00:22:49 5 Effects on human civilization
00:23:48 5.1 Health and pollution
00:27:21 5.2 Human uses
00:27:30 5.2.1 Agriculture
00:30:16 5.2.2 As a scientific standard
00:32:10 5.2.3 For drinking
00:36:04 5.2.4 Washing
00:36:32 5.2.5 Transportation
00:36:50 5.2.6 Chemical uses
00:38:02 5.2.7 Heat exchange
00:39:23 5.2.8 Fire extinction
00:40:34 5.2.9 Recreation
00:41:26 5.2.10 Water industry
00:44:06 5.2.11 Industrial applications
00:46:01 5.2.12 Food processing
00:48:32 5.2.13 Medical use
00:48:46 6 Distribution in nature
00:48:56 6.1 In the universe
00:50:14 6.1.1 Water vapor
00:52:08 6.1.2 Liquid water
00:52:54 6.1.3 Water ice
00:53:48 6.1.4 Exotic forms
00:54:18 6.2 Water and habitable zone
00:55:50 7 Law, politics, and crisis
00:59:57 8 In culture
01:00:06 8.1 Religion
01:01:23 8.2 Philosophy
01:03:13 8.3 Dihydrogen monoxide hoax
01:03:45 9 See also



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SUMMARY
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Water is a transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients. Its chemical formula is H2O, meaning that each of its molecules contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is the name of the liquid state of H2O at standard ambient temperature and pressure. It forms precipitation in the form of rain and aerosols in the form of fog. Clouds   are formed from suspended droplets of water and ice, its solid state. When finely divided, crystalline ice may precipitate in the form of snow. The gaseous state of water is steam or water vapor. Water moves continually through the water cycle of evaporation, transpiration (evapotranspiration), condensation, precipitation, and runoff, usually reaching the sea.
Water covers 71% of the Earth's surface, mostly in seas and oceans. Small portions of water occur as groundwater (1.7%), in the glaciers and the ice caps of Antarctica and Greenland (1.7%), and in the air as vapor, clouds (formed of ice and liquid water suspended in air), and precipitation (0.001%).Water plays an important role in the world economy. Approximately 70% of the freshwater used by humans goes to agriculture. Fishing in salt and fresh water bodies is a major source of food for many parts of the world. Much of long-distance trade of commodities (such as oil and natural gas) and manufactured products is transported by boats through seas, rivers, lakes, and canals. Large quantities of water, ice, and steam are used for cooling and heating, in industry and homes. Water is an excellent solvent for a wide variety of chemical substances; as such it is widely used in industrial processes, and in cooking and washing. Water is also central to many sports and other forms of entertainment, such as swimming, pleasure boating, boat racing, surfing, sport fishing, and diving.