Practice question · Sort into groups
Sort each described passage by the mark it is.
Groups: Glaze · Scumble · Impasto
- A ridge of white loaded on with a knife and left with its edge intact
- A transparent dark laid over a lighter dry layer
- An opaque light dragged broken over a darker layer
- Paint standing proud enough to cast its own shadow
Hints
- Two of the six work by letting light through, and two by breaking an opaque layer over a dark one.
- One family is defined by height rather than by transparency.
Show the answer
Glaze: A transparent dark laid over a lighter dry layer
Scumble: An opaque light dragged broken over a darker layer
Impasto: Paint standing proud enough to cast its own shadow, A ridge of white loaded on with a knife and left with its edge intact
Why
Glaze and scumble are opposites in both directions at once, transparent dark over light against opaque light over dark, and confusing them produces the commonest fault in the studio, an opaque colour used as a glaze, which goes dead instead of glowing because no light gets back out.
Practise Brushes, Tools and the Mark
The app has 6 more questions on this lesson, and keeps your place in the course. Painting I is free to start.
More questions on Brushes, Tools and the Mark
- Why does a brush die at the heel rather than at the tip? Select every statement that is true of the heel.
- Arrange these developments in the painter's toolkit in the order they happened.
- A scumble requires an opaque light film dragged across a dark ground, whereas a glaze demands transparent…
- Arrange the steps of cleaning and storing a brush in the correct order.
- A brush is best cleaned by standing it tip-down in a jar of solvent overnight.