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Clouds form mainly when the air is cooled and water vapor condenses, but is still light enough to float in the air. Air that is forced upwards is often what makes clouds, if the air has moisture.
http://wiki.answers.com/Q/What_causes_clouds_to_form
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Explain how condensation nuclei help clouds form? Explain how condensation nuclei helps clouds form? The common source of cloud condensation nuclei is? Do water vapor needs condensation nuclei to form clouds? What are the three sources of cloud condensation nuclei?
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wiki.answers.com/Q/How_do_condensation_nuclei_help_clou...
wiki.answers.com/Q/How_do_condensation_nuclei_help_clouds_form
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When looking for synoptic scale weather patterns from space much can be learned looking at clouds. Clouds form when air is cooled to its dewpoint or the temperature, if the air is cooled, it reaches saturation. Air can reach saturation in a number of ways.
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www.srh.noaa.gov/jetstream/synoptic/clouds.htm
www.srh.noaa.gov/jetstream/synoptic/clouds.htm
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This would seem a mere theoretical exercise if it didn't hold the key to how cirrus clouds form. These thin, gauzy clouds form miles up in the atmosphere, and while they don't cause thunderstorms they can play a role in the climate by reflecting sunlight and absorbing heat radiating up from the earth's surface.
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www.admin.mtu.edu/urel/news/media_relations/392/
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Clouds form when a parcel of air is cooled until the water vapor that it contains condenses to liquid form. Another way of saying this is that condensation (clouds) occur when an air parcel is saturated with water vapor.
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asd-www.larc.nasa.gov/edu_act/clouds.html
asd-www.larc.nasa.gov/edu_act/clouds.html
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Clouds form when the air rises. As a blob of air rises it expands and gets colder, the colder air cannot hold as much water as warmer air. As the temperature and air pressure continue to drop, tiny water droplets group together into clumps called cloud droplets.
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ellerbruch.nmu.edu/classes/cs255f01/cs255students/jetho...
ellerbruch.nmu.edu/classes/cs255f01/cs255students/jethomps/P9/cloud1.html
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How Do Clouds Form?; A complete description follows this diagram: ... This is how cumulus congestus and cumulonimbus clouds form. If air parcels only rise a short distance over a large geographical area after reaching dewpoint, layer clouds (such as stratus) will form.
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www.vivoscuola.it/us/rsigpp3202/umidita/lezioni/form.ht...
www.vivoscuola.it/us/rsigpp3202/umidita/lezioni/form.htm
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Do your children ask questions like mine do? Meteorology for kids gives examples of how to handle this and stimulate their curiosity. ... Clouds are a fascinating part of the weather. Can you explain how clouds form to your children or your students? Do you know the basic cloud types and how they relate to forecasting weather?
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www.stuffintheair.com/meteorology-for-kids.html
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Clouds; Objectives: To learn how to use the Internet as a static information collection tool; To enhance the water cycle benchmark ; ... Explain what the Internet is. Fill in the the first two columns of the KWL. chart . Talk about the graphic organizer for the research project. Show how to use bookmarks.
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www.teachers.net/lessons/posts/396.html
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