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[[Image:Ognisko ubt 0126.jpeg|thumb|Bonfire smoking]]
[[Image:Page 544 Battle cruiser Queen Mary exploding, generating a 700 meter high column of fire and smoke (12308962334).jpg|thumb|Warship giving off smoke as it dies]]
[[Image:Smoke 123.jpg|thumb|Campfire in Africa]]
[[Image:Candle smoke structure 1.jpg|thumb|Candle smoke]]
'''Smoke''' is a [[cloud]] of very small, solid particles that is made when something is [[burn]]ed with a [[flame]], such as wood or paper.
'''Smoke''' is a [[cloud]] of very small, solid particles that is made when something is [[burn]]ed with a [[flame]], such as wood or paper.
Smoke can be bad because if it goes into the [[lung]]s of a person, it can hurt their lungs or even kill them (for example, in a house [[fire]]). Most people think that they are always able to see smoke, but people cannot see some types of smoke: they are [[wikt:invisible|invisible]].
Smoke can be bad because if it goes into the [[lung]]s of a person, it can hurt their lungs or even kill them (for example, in a house [[fire]]). Most people think that they are always able to see smoke, but people cannot see some types of smoke: they are [[invisible|invisible]].
Smoke removal systems redistribute gas flows and reduce the temperature and concentration of smoke during a fire. This helps in evacuating people, limiting the spread of fire; and extinguishing the fire.<ref>{{Cite web|title=Highrise building smoke removal|url=https://www.cityofsacramento.org/-/media/Corporate/Files/Fire/Guidebooks/Highrise-Smoke-Removal-System-Standard.pdf?la=en|website=Sacramento Fire Department}}</ref>
== Smoke from tobacco ==
== Smoke from tobacco ==
[[Image:Admiral Frank Jack Fletcher.jpg|thumb|left|Smoking a pipe]]
When people smoke [[tobacco]] in [[cigar]]s or [[cigarette]]s, they are burning the tobacco and inhaling the smoke. Tobacco smoke can hurt the mouth, throat, and lungs. It can cause mouth, throat, or [[lung cancer]]. It can also cause [[emphysema]] and [[bronchitis]] (trouble breathing). They continue doing it because the smoke also has a [[nicotine]].
When people smoke [[tobacco]] in [[cigar]]s or [[cigarette]]s, they are burning the tobacco and inhaling the smoke. Tobacco smoke can hurt the mouth, throat, and lungs. It can cause mouth, throat, or [[lung cancer]]. It can also cause [[emphysema]] and [[bronchitis]] (trouble breathing). They continue doing it because the smoke also has a [[nicotine]].
== Smoke from factories ==
== Smoke from factories ==
[[factory|Factories]] and [[power plant]]s produce large amounts of smoke into the atmosphere which [[pollution|pollutes]] the air. Eventually the toxic [[chemical]]s in smoke fall to the ground, and then they pollute the soil and the [[water pollution|water]]. When the air, soil and water are polluted with toxic chemicals, the chemicals also get absorbed by [[plant]]s and [[animal]]s (including [[human]]s).
[[factory|Factories]] and [[power plant]]s produce large amounts of smoke into the atmosphere which [[pollution|pollutes]] the air. Eventually the toxic [[chemical]]s in smoke fall to the ground, and then they pollute the soil and the [[water pollution|water]]. When the air, soil and water are polluted with toxic chemicals, the chemicals also get absorbed by [[plant]]s and [[animal]]s (including [[human]]s).
== Smoke from dry ice ==
== Smoke from dry ice ==
When [[Carbon dioxide#Dry ice|Dry ice]] is put into water, the dry ice boils and makes [[fog]]. This is not real smoke but [[movie]] makers and other show people do this to simulate smoke.
When [[Carbon dioxide#Dry ice|Dry ice]] is put into water, the dry ice boils and makes [[fog]]. This is not real smoke but [[movie]] makers and other show people do this to simulate smoke.
==Related pages==
== Smoke Media ==
<gallery widths='160px' heights='100%' mode='traditional' caption=''>
File:Smoke at Takaosan Yakuoin Temple firewalking festival in Japan 2016 March 13.webm|Billowing smoke at Takaosan Yakuoin Temple [[firewalking]] festival in [[Japan]], 2016
File:Bee smoker02.jpg|Smoke from a [[bee smoker]], used in [[beekeeping]]
File:Smoke chemical composition.jpg|Chemical composition distribution of [[volatile organic compound]]s released in smoke from a variety of solid [[fuel]]s
File:Wood Volatility Basis Dataset.jpg|Volatility distribution of volatile organic compound emissions in [[wood]] smoke
File:Lit cigarette.jpg|Smoke being emitted from a lit [[cigarette]]
File:KuwaitiOilFires-STS037-152-91-(2).jpg|Oil fires and smoke, after Iraqi forces set fire to oil wells during the First Gulf War
File:Black Fire Smoke during a Heat Wvae.jpg|Smoke from a grassland fire in [[Northern Mexico]] during a heat wave occurring at the same time as the [[forest fire]] season in [[Mexico]]
File:Diesel-smoke.jpg|Emission of soot in the fumes of a large [[diesel engine|diesel]] truck, without particle filters
File:Wildfiretopanga.jpg|Nerval took this shot on top of topanga, that's how the valley seemed under the fires. The city was under smoke though (that's where my house is).
</gallery>
== Related pages ==
* [[Pollution]]
* [[Pollution]]
== References ==
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{{science-stub}}
[[Category:Waste]]
[[Category:Waste]]