the idea: sprinkle salt on a drying watercolor painting

This is an old art-teachers trick that I have learned from too many different people to just credit one.  however I did this recently in a class and it went over very well, the kids are always amazed to see how the textures change, and so I thought I’d share.

As a side note, this project would be a great way to teach some since concept.  I’m not scientific enough to know what, but something about reactions between salt and water or crystallization.