Materials Properties

What does brittleness mean?

• The ability of a material to absorb energy and deform

• The tendency of a material to break or shatter without significant deformation

• The ability to conduct electricity

• The ability to withstand high temperatures

Which of the following are examples of brittle materials?

• Rubber and copper

• Steel and plastic

• Glass and ceramics

• Wood and aluminum

What is tensile strength?

• The ability of a material to withstand pulling forces

• The ability to resist impact

• The ability to absorb heat

• The ability to expand when heated

Which application requires a material with high tensile strength?

• Rubber bands

• Steel cables for bridges

• Glass windows

• Foam seat cushions

What is malleability?

• The ability to return to its original shape after stretching

• The ability to withstand corrosio

• The ability of a material to be hammered or pressed into shape without breaking

• The ability to conduct heat

Which of the following is a malleable material?

• Copper

• Glass

• Rubber

• Diamond

What is an electrical insulator?

• A material that allows electricity to flow through it

• A material that blocks or resists the flow of electricity

• A material that resists compression

• A material that can stretch without breaking

Which of these are good electrical insulators?

• Copper and aluminum

• Glass and rubber

• Iron and steel

• Water and wood

What is ductility?

• The ability of a material to absorb energy when deformed

• The ability to conduct electricity

• The ability to be drawn into a wire

• The ability to reflect light

Which of the following is a ductile material?

• Glass

• Wood

• Steel

• Rubber