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chalk stick

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EntityQ147690· pop 48

chalk stick

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Also known as blackboard chalk

writing implement

Key facts

Other names
Chalkboard, writing-board
Uses
Reusable writing surface on which text or drawings are made

via Wikipedia infobox

Wikidata facts

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Commons category
Chalk sticks
Sources (2)

via Wikidata · CC0

~6 min read

Article

A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, better known as chalk.

Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

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