The plural form of medium is

The use of light and dark values to create the illusion of form.

This technique consists of drawing thin lines that run in the same direction.

Shading created using crisscrossing lines is called

This technique consists of drawing thin lines that run in the same direction.

Changing the color value little by little is

Shading that creates dark values by means of a dot pattern

Finely ground colored powders are

Material that holds together the grains of pigment is

A liquid that controls the thickness or the thinness of the paint is