The artist sketched the old church tower with red chalk, appreciating how the iron-rich pigment held to the textured paper.

After the competition, the climbers packed their chalk bags and swapped stories about daring routes.

The attic was chalk full of old trunks and boxes that hadn't been opened in decades.

The children spent the afternoon drawing hopscotch with sidewalk chalk in the park.

A chalk stream winding through the downs supplied the village with crystal-clear water.

The children used brightly colored pavement chalk to draw a giant hopscotch grid across the square.

Local conservationists are campaigning to protect chalk streams and their unique ecosystems.

Before the art class began, the students stacked the chalk boxes neatly on the supply shelf.

The artist experimented with several chalk mixtures to achieve the subtle shades needed for the mural.

At the estate sale, the painting went for chalk for cheese.