A strip runs from white at one end to black at the other, with each swatch a little darker than the last. What does the strip set out?

A gray band changes smoothly from very light at one end to very dark at the other, without abrupt steps. What is this transition called?

A study of cubes uses only white, middle gray, and black, with sharp shifts between the planes. How is the relationship of light and dark handled?

A value strip begins with white, then light gray, then middle gray. Which swatch should come next if the sequence continues darker?

Nearly every passage in a snowy park scene is pale gray or near-white, and even the darkest tree trunk is only middle gray. How is the whole picture keyed?

A theater scene is built mostly from black, charcoal, and dark gray, with only a few small light accents. How is the picture keyed?

An artist wants a pale foggy landscape to feel low-key instead. What change is most effective?

A picture has pale walls and clothing but one almost black doorway. What visual quality is created by the doorway?

A lit sphere sits on a table, and a separate dark patch stretches across the tabletop beside it. What is the dark patch on the table?

On a pear, the side turned away from the lamp darkens gradually while remaining on the pear itself. What is that dark area called?

A glossy apple has a tiny nearly white spot where the lamp hits most directly. What is that spot called?

A sphere has a faint light band along its lower edge within the shadowed side because light bounces up from the tabletop. What is the band called?

A vase is bright on its right side and gradually darkens as its curved surface turns left. What distinguishes this darkening from a cast shadow?

Highlights fall on a plaster head's left forehead and cheek, while its shadow falls down and right across the wall. Where is the lamp?

The top and front planes of a cube are brightest, while its cast shadow extends behind it. From where is the cube lit?

A bottle's brightest reflection is on its upper-right shoulder, and its cast shadow falls toward the lower left. Where is the light source?

A statue has bright highlights on its left shoulder and forehead, while the ground shadow extends to the right. Which direction best locates the light?

In many paintings by Caravaggio, a single shaft of light lifts figures from a near-black ground with few middle values. What is this extreme handling of light called?

A portrait uses strong light-dark contrasts, including middle values, to make a cheek appear rounded in space. Which technique is at work?

How does tenebrism differ from ordinary chiaroscuro?

Which Dutch Baroque painter is famous for portraits whose faces glow out of deep shadow through dramatic chiaroscuro?

In a black-and-white photograph, a bright red patch and a green patch appear as the same gray. What does this show?

A yellow lemon and a blue cup are shown as matching middle grays in a grayscale image. Which property is the same for both objects?

A mostly middle-gray poster contains one small white circle. What does the white circle become because of its value difference?

A poster contains many middle-gray letters, but one headline is white against a gray ground. Why does the headline draw the eye first?