Properties of Metals, Ceramics, and Glass

Which of the following is a characteristic property of metals?

• They are soft and dull.

• They are poor conductors of heat and electricity.

• They can be melted and hammered.

• They are typically transparent.

What is the primary composition and production method of ceramics?

• Soft, malleable substances formed by cooling molten rock.

• Hard, brittle, and heat-resistant materials produced by firing a mixture of clay and chemicals at high temperatures.

• Shiny, conductive materials that attract iron.

• Transparent substances made from sand, lime, and soda, shaped by molding.

Which property makes ceramics suitable for use in furnaces and ovens?

• High moldability

• Electrical insulation

• High-temperature tolerance

• Brittleness

What is a key property of glass that makes it suitable for windows and lenses?

• High compressive strength

• Electrical insulation

• Transparency

• Moldability in a wet state