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WorksheetsUnderstanding Material Properties (Quick Review)
Total questions: 10
Worksheet time: 5mins
Which property is important if a material needs to be resistant to spreading of a crack?
Hardness
Fracture toughness
Electrical resistivity
Density
Which property relates the type of material to the weight of the final part?
Yield strength
Young's modulus of elasticity
Density
Hardness
A material needs a high ___________ to resist permanent deformation under load.
ductility
toughness
hardness
yield strength
What property predicts how much a material will change size or shape during heating and cooling?
Coefficient of thermal expansion
Melting point
Specific heat
Thermal conductivity
What does high thermal conductivity indicate?
The material melts at a high temperature
The material allows heat to flow through easily
The material expands a great deal when heated
The material absorbs and holds a lot of heat
Ceramic materials are brittle, meaning they have low ________________.
melting point
hardness
tensile strength
ductility
Which property indicates that a material has the strength to resist twisting?
Fracture toughness
Shear modulus
Electrical resistivity
Hardness
A material with high electrical resistivity is a good _____________.
conductor
insulator
conductor AND insulator
To resist surface denting and scratching, choose a material with high _______________.
ductility
density
melting point
hardness
A material that breaks easily under a pulling force has a low ____________________.
ultimate tensile strength
shear modulus
coefficient of thermal expansion
electrical resistivity
