12 Dec 2021
Thank you, Arum and Maria from @LetsTalkScience. What a great #virtual #experiential lesson on #physicalchanges & #chemchanges to @ImmaculataOCSB Gr9 science students. Adding water to #SODIUMPOLYACRYLATE changes the powder to a gel. What kind of change is this? #ocsbScience #ocsb
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27 Oct 2015
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