Gothic Art I

Question 4 • KVHS-020A Art History A

How is stained glass made?

Answer

adding metallic oxides to sand and ash or lime, then infusing at high temperatures

adding metallic oxides to salt, then infusing over time at low temperatures

adding metallic oxides to sulfur, then infusing at high temperatures

adding metallic oxides to sulfur, then infusing at low temperatures

Explanation

Stained glass gets its color from metallic oxides added to the glass mixture. The glass is made mainly from silica sand, along with ash or lime, and heated to a high temperature so the ingredients melt and combine. That matches choice A; salt and sulfur are not the usual base materials for making stained glass.

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