Chemistry 5-12-17 Pressure & Gases Posted on May 12, 2017 by Ms. Skinner CHEMISTRY: From running on snow to scuba diving – a great discussion about pressure and gases. Go play with the gas laws this weekend and we’ll take it up again next week! flickr photo by star 5112 Share this:TwitterPrintFacebookPinterestMoreTumblrRedditLinkedInPocket