Answer to Question 1
A
Seurat's painting technique, pointillism, features tiny dots of color that are massed together to build form. In this work, Seurat uses cont crayon on rough-textured paper to approximate the effect of color dots in paint.
Answer to Question 2
A
Crayons and pastels are made of powdered pigments, the same as those used to make paints, mixed with a binder. For crayons, the binder is a greasy or waxy substance. Finer, denser, more brilliant versions of these crayons have been developed for artists. Pastel consists of pigment bound with a nongreasy binder.