Humidity - Revision history

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2008-12-21T04:02:07Z

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TK at 03:59, December 21, 2008

2008-12-21T03:59:48Z

Dadsnagem2 at 18:14, January 18, 2008

2008-01-18T18:14:22Z

CSGuy at 22:43, December 31, 2007

2007-12-31T22:43:52Z

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DeborahB. at 01:29, January 5, 2007

2007-01-05T01:29:13Z

New page

The moisture content of air.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>

==References==
<references/>

@@ Line 3: / Line 3: @@
 Absolute humidity is the mass of [[water vapor]] divided by the mass of dry [[air]] in a volume of air at a given [[temperature]]. The hotter the air is, the more water it can contain. ''Relative humidity'' is the [[ratio]] of the current absolute humidity to the highest possible absolute humidity (which depends on the current air temperature). A reading of 100% relative humidity means that the air is totally saturated with water vapor and cannot hold any more, creating the possibility of rain, but the relative humidity near the ground could be much less.
-Humans are sensitive to humidity, as the [[skin]] relies on the air to evaporate moisture. The process of sweating is the body's attempt to keep cool and maintain its current temperature. If the air is at 100% relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling us off. For example, if the air temperature is 75 degrees [[Fahrenheit]] (24 degrees [[Celsius]]) and the relative humidity is zero percent, the air temperature feels like 69 degrees Fahrenheit (21 C) to our bodies. If the air temperature is 75 degrees Fahrenheit (24 C) and the relative humidity is 100 percent, it feels like it's 80 degrees (27 C) out. Humans are normally most comfortable at about 40% humidity.<ref>[http://www.usatoday.com/weather/whumdef.htm Understanding Humidity, article, USA Today]</ref>
+Humans are sensitive to humidity, as the [[skin]] relies on the air to evaporate moisture. The process of sweating is the body's attempt to keep cool and maintain its current temperature. If the air is at 100% relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling us off. For example, if the air temperature is 75 degrees [[Fahrenheit]] (24 degrees [[Celsius]]) and the relative humidity is zero percent, the air temperature feels like 69 degrees Fahrenheit (21 C) to our bodies. If the air temperature is 75 degrees Fahrenheit (24 C) and the relative humidity is 100 percent, it feels like it's 80 degrees (27 C) out. Humans are normally most comfortable at about 40% humidity.<ref>[https://www.usatoday.com/weather/whumdef.htm Understanding Humidity, article, USA Today]</ref>
 ==See also==

@@ Line 5: / Line 5: @@
 Humans are sensitive to humidity, as the [[skin]] relies on the air to evaporate moisture. The process of sweating is the body's attempt to keep cool and maintain its current temperature. If the air is at 100% relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling us off. For example, if the air temperature is 75 degrees [[Fahrenheit]] (24 degrees [[Celsius]]) and the relative humidity is zero percent, the air temperature feels like 69 degrees Fahrenheit (21 C) to our bodies. If the air temperature is 75 degrees Fahrenheit (24 C) and the relative humidity is 100 percent, it feels like it's 80 degrees (27 C) out. Humans are normally most comfortable at about 40% humidity.<ref>[http://www.usatoday.com/weather/whumdef.htm Understanding Humidity, article, USA Today]</ref>
-==See Also==
+==See also==
 * [[Water]]
 * [[Rainfall]]

@@ Line 4: / Line 4: @@
 Humans are sensitive to humidity, as the [[skin]] relies on the air to evaporate moisture. The process of sweating is the body's attempt to keep cool and maintain its current temperature. If the air is at 100% relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling us off. For example, if the air temperature is 75 degrees [[Fahrenheit]] (24 degrees [[Celsius]]) and the relative humidity is zero percent, the air temperature feels like 69 degrees Fahrenheit (21 C) to our bodies. If the air temperature is 75 degrees Fahrenheit (24 C) and the relative humidity is 100 percent, it feels like it's 80 degrees (27 C) out. Humans are normally most comfortable at about 40% humidity.<ref>[http://www.usatoday.com/weather/whumdef.htm Understanding Humidity, article, USA Today]</ref>
 ==References==
 <references/>
-[[category:meteorology]]
+[[Category:Water]]

@@ Line 3: / Line 3: @@
 Absolute humidity is the mass of [[water vapor]] divided by the mass of dry [[air]] in a volume of air at a given [[temperature]]. The hotter the air is, the more water it can contain. ''Relative humidity'' is the [[ratio]] of the current absolute humidity to the highest possible absolute humidity (which depends on the current air temperature). A reading of 100% relative humidity means that the air is totally saturated with water vapor and cannot hold any more, creating the possibility of rain, but the relative humidity near the ground could be much less.
-Humans are sensitive to humidity, as the [[skin]] relies on the air to evaporate moisture. The process of sweating is the body's attempt to keep cool and maintain its current temperature. If the air is at 100% relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling us off. For example, if the air temperature is 75 degrees [[Fahrenheit]] (24 degrees [[Celsius]]) and the relative humidity is zero percent, the air temperature feels like 69 degrees Fahrenheit (21 C) to our bodies. If the air temperature is 75 degrees Fahrenheit (24 C) and the relative humidity is 100 percent, it feels like it's 80 degrees (27 C) out. Humans are normally most comfortable at about 40% humidity.
+Humans are sensitive to humidity, as the [[skin]] relies on the air to evaporate moisture. The process of sweating is the body's attempt to keep cool and maintain its current temperature. If the air is at 100% relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling us off. For example, if the air temperature is 75 degrees [[Fahrenheit]] (24 degrees [[Celsius]]) and the relative humidity is zero percent, the air temperature feels like 69 degrees Fahrenheit (21 C) to our bodies. If the air temperature is 75 degrees Fahrenheit (24 C) and the relative humidity is 100 percent, it feels like it's 80 degrees (27 C) out. Humans are normally most comfortable at about 40% humidity.<ref>[http://www.usatoday.com/weather/whumdef.htm Understanding Humidity, article, USA Today]</ref>
 ==References==

← Older revision		Revision as of 03:59, December 21, 2008
Line 1:		Line 1:
	'''Humidity''' is the [[water\|moisture]] content of [[air]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> Humidity is measured with a [[hygrometer]].		'''Humidity''' is the [[water\|moisture]] content of [[air]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> Humidity is measured with a [[hygrometer]].
		+
		+	Absolute humidity is the mass of [[water vapor]] divided by the mass of dry [[air]] in a volume of air at a given [[temperature]]. The hotter the air is, the more water it can contain. ''Relative humidity'' is the [[ratio]] of the current absolute humidity to the highest possible absolute humidity (which depends on the current air temperature). A reading of 100% relative humidity means that the air is totally saturated with water vapor and cannot hold any more, creating the possibility of rain, but the relative humidity near the ground could be much less.
		+
		+	Humans are sensitive to humidity, as the [[skin]] relies on the air to evaporate moisture. The process of sweating is the body's attempt to keep cool and maintain its current temperature. If the air is at 100% relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling us off. For example, if the air temperature is 75 degrees [[Fahrenheit]] (24 degrees [[Celsius]]) and the relative humidity is zero percent, the air temperature feels like 69 degrees Fahrenheit (21 C) to our bodies. If the air temperature is 75 degrees Fahrenheit (24 C) and the relative humidity is 100 percent, it feels like it's 80 degrees (27 C) out. Humans are normally most comfortable at about 40% humidity.

	==References==		==References==

← Older revision		Revision as of 18:14, January 18, 2008
Line 1:		Line 1:
−	~~The~~ [[water\|moisture]] content of [[air]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> Humidity is measured with a [[hygrometer]].	+	'''Humidity''' is the [[water\|moisture]] content of [[air]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> Humidity is measured with a [[hygrometer]].

	==References==		==References==

← Older revision		Revision as of 22:43, December 31, 2007
Line 1:		Line 1:
−	The [[water\|moisture]] content of [[air]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>	+	The [[water\|moisture]] content of [[air]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> Humidity is measured with a [[hygrometer]].

	==References==		==References==

← Older revision		Revision as of 00:42, September 22, 2007
Line 1:		Line 1:
−	The moisture content of air.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>	+	The [[water\|moisture]] content of [[air]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>

	==References==		==References==

← Older revision		Revision as of 23:53, July 16, 2007
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	==References==		==References==
	<references/>		<references/>
		+
		+	[[category:meteorology]]