Match these items. Match the items in the left column to the items in the right column. 1. atmospheric perspective
(from the Italian for smoke) an imperceptible, subtle transition from light to dark, without any clear break or line
2. chiaroscuro
the branch of physics that studies the physical properties of light
3. codex
using light and shadow to define forms
4. optics
sequentially using lighter colors for each region of the painting. This technique creates a sense of distance for objects that are distant in the painting
5. sfumato
book composed of folded sheets sewn along one edge