Materials Science Quiz

What does "characteristics" usually refer to in materials?

• Chemical properties

• Physical properties

• Biological properties

• Astronomical properties

What is stress defined as in materials?

• The color of the material

• The internal temperature

• The internal forces acting on the material

• The external shape

What is the resistance of a material to local deformation known as?

• Ductility

• Hardness

• Elasticity

• Conductivity

What is the key feature that distinguishes metals from other materials?

• Color

• Free electrons

• Density

• Melting point

What is the term for a material's ability to be plastically deformed into a range of shapes?

• Toughness

• Ductility

• Hardness

• Elasticity

What type of materials do not undergo any deformation before failure?

• Ductile materials

• Brittle materials

• Tough materials

• Elastic materials

What is the term for materials that can be cut with little power and do not cause much wear to tooling?

• Tough materials

• Brittle materials

• Ductile materials

• Machinable materials

What is the term for the stress at which a material starts to deform plastically?

• Yield strength

• Ultimate strength

• Elastic limit

• Toughness

Which metal is known for high ductility and excellent electrical conductivity?

• Iron

• Copper

• Nickel

• Aluminium

What are polymers made from?

• Single large units

• Many small units called monomers

• Metallic elements

• Non-metallic elements