Cross Linking STEM Activity Slime

This is another one of my students favorite Chemistry classes, making slime. Cross Linking, The Science Behind  Slime  What’s the science behind the slime? The borate ions in the starch (borax powder or boric acid) mixes with the PVA (polyvinyl-acetate) glue and forms this cool stretchy substance.  This is called cross linking. The glue isContinue reading “Cross Linking STEM Activity Slime”