National Aeronautics and Space Administration
Meteorology: How Clouds Form

In this web seminar, teachers learned about the relationships between air pressure, temperature, and cloud formation. Participants got an overview of the necessary conditions necessary for cloud formation and then learned how to apply them to making a cloud in a bottle. Information was provided about an extension to this activity, the S'COOL Project, which involves student participation in authentic science. By reporting observations of cloud data, students assist in the validation of NASA's CERES satellite instruments. Clouds are an important part of our atmosphere. S'COOL observations provide one more piece in the puzzle of how clouds affect our weather and climate.


This web seminar is part of a series of electronic professional development experiences sponsored by the NASA Explorer Schools (NES) project. NASA Explorer Schools invests in science, technology, engineering, and mathematics educators to inspire and engage a whole generation of future scientists, engineers and technicians that NASA needs to continue our journey. NES gives educators of grades 4-12 free access to NASA’s people, missions, research, and facilities. We take the work out of searching through thousands of materials on the NASA website and provide a comprehensive set of teaching materials for dozens of STEM concepts. For additional information about the NASA Explorer Schools project, visit

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