Texes Art EC-12 Practice Exam

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Which type of clay is typically used for high-fired ceramics known for strength and durability?

Earthenware
Stoneware
Terracotta
Pottery clay

The correct answer is: Stoneware

The type of clay that is typically used for high-fired ceramics and is known for its strength and durability is stoneware. Stoneware clay is designed to withstand high firing temperatures, typically ranging from 2200°F to 2400°F (1200°C to 1300°C). This high firing results in a dense, non-porous finished piece that is durable and has a vitreous quality, making it suitable for functional items such as dinnerware, cookware, and storage containers. Stoneware can be made in various colors depending on the mineral content and is often chosen for its ability to hold up well to thermal shock, which makes it ideal for everyday use. In contrast, other types of clay, such as earthenware and terracotta, are generally fired at lower temperatures and can be more porous and less durable, which makes them unsuitable for high-fire applications. Pottery clay is a broader term that can refer to various clays, including those mentioned, but does not specifically imply the high firing and durability associated with stoneware.