4. The higher the series number, the more expensive the ingredients. ASTM stands for American Society of Testing and Materials

14. Where is wet-in-wet? Where is wet-on-dry?

16. John Singer Sargent, one of the supreme masters of watercolor

18. Sharp, crisp edges were painted on dry paper

23. Last example by John Singer Sargent

24. Winslow Homer, also a great master of watercolor

34. Winslow Homer, last example

35. For homework pick a few simple objects, perhaps from the kitchen. Use good lighting!

36. First, paint the background wet-in-wet to create distance, leaving a big white shape for the foreground subject matter.

37. Then paint the foreground objects using wet-on-dry wherever crisp, sharp edges are needed for clarity.

38. Teacher attempt