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Pigment Powder and Binder

A coloured powder called pigment is ground from earth, rock or charcoal. Stirred into a binder such as egg yolk or linseed oil, it turns into paint.

In the picture

  1. A heap of red ochre powder: pigment ground from iron-rich earth
  2. A stone mortar and pestle holding half-ground red earth: the lumps are broken down into fine powder
  3. An egg yolk in a small dish: the binder that will hold the pigment together
  4. A palette knife blending powder and yolk into a glossy dab: the mixed paint, ready to use

Examples

  • Oil paint in a metal tube: pigment mixed with linseed oil
  • Tempera paint used at school: pigment mixed with egg yolk or a similar binder

Quiz: Pigment Powder and Binder (Age 11)

  1. What two things are needed to make paint?

    • A pigment and a binder
    • A pigment and water
    • A pigment and sand
  2. What happens to paint when the pigment is ground into a finer powder?

    • It becomes smoother
    • It becomes drier
    • It becomes darker
  3. Which of these is used as a binder for pigment?

    • Egg yolk
    • Red ochre powder
    • Charcoal

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Art, Age 11