This resource is a PowerPoint presentation covering pressure, characteristics of gases, Boyle's law, Charles's law, buoyancy, density, and Archimedes' principle. There are a couple images in this file for which I don't know the copyright status. Their inclusion here should be protected as fair use, but the images are not covered by the Creative Commons license. If you can replace the images with open-licensed or public domain equivalents, please do.

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