Day 7: mass and change. It's fun pulling apart steel wool and watching ice melt. #teach180 #lreisci http://pic.twitter.com/pmnrJfr2bb
— Kara Luce (@karalu79) September 19, 2017
Day 7: mass and change. It's fun pulling apart steel wool and watching ice melt. #teach180 #lreisci http://pic.twitter.com/pmnrJfr2bb
— Kara Luce (@karalu79) September 19, 2017
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