Learning Lesson: Smoking Clouds

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Link to Resource: https://www.weather.gov/jetstream/ll_smoke
Resource Type:Classroom Activities; Curricula and Instruction
Grade Level:
6 7 8 9 10 11 12
Organization:National Oceanic and Atmospheric Administration (NOAA); National Weather Service (NWS)
Summary:In a clean-air chamber (all solid particles are filtered out) a cloud will not form even with a relative humidity greater than 200%. While clouds are made up of droplets that are essentially distilled water, each droplet is not 100% pure. At the cloud droplet's core is a tiny water attracting particle upon which moisture collects and grows. This demonstration will show that just a small amount of nuclei (smoke) is all that is needed in the production of a cloud.
Earth Science Big Ideas:Big Idea 1
NGSS Discplinary Core Ideas:ESS2.D
Subjects: 6-8; 9-12; atmosphere; atmospheric science; high school; lesson; middle school; noaa; nws; water; weather
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