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materials and their properties

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    materials
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  • the ability of a material to withstand wear and scratches is ?
    hardness
  •  15
  • the ability of a material to be able to return to its original state after being stretched is ?
    elasticity
  •  15
  • the ability of a material to withstand a heavy load without breaking or tearing is ?
    strength
  •  15
  • Steel and wood are examples of strong materials. true or false?
    true
  •  15
  • The density of a material is its mass per unit volume. true or false
    true
  •  15
  • the amount of light that can pass through a material is ?
    transparency
  •  15
  • Transparent materials  allow light to pass through them. true or false
    true
  •  15
  • materials allow some light to pass through them is ?
    translucent
  •  15
  • materials that do not allow light to pass through them are ?
    opaque
  •  15
  • the ability of a material to allow heat to flow through it quickly is ?
    heat conductivity
  •  15
  • ability of a material to allow electricity to flow through it is?
    electrical conductivity
  •  15
  • materials that do not allow heat or electricity to pass through them are?
    insulator
  •  15
  • materials that do not allow heat or electricity to pass through them are?
    insulator
  •  15
  • materials that do not allow heat or electricity to pass through them are?
    insulator
  •  15
  • ability of a material to allow electricity to flow through it is?
    electrical conductivity
  •  15
  • materials that do not allow light to pass through them are ?
    opaque
  •  15