PPM Flashcards
What does physical properties of a material refer to
The qualities that can be observed and measured without changing the material’s composition
What does electrical conductivity refer to
The measure of how easily an electric current flows through it
What does Thermal conductivity refer to
the measure of how easily heat flows through it
what does melting point refer to
the temperature at which a substance changes from a solid state to the liquid state
what does boiling point refer to
the temperature at which a substance changes from the liquid state to gaseous state
what does strength refer to
the ability of a material to support a heavy load without changing its shape permanently
what does hardness refer to
the ability of a material to withstand scratches
what does flexibility refer to
ability of a material to bend without breaking, and return to its initial shape and size after bending
what does density refer to
amount of matter an object has in proportion to its volume
State the SI of length
metre, m
State the SI unit of Mass
kilogram, kg
State the SI unit of time
second, s
State the SI unit of temperature
kelvin, K
State the SI unit of electric current
ampere, A
what is the numerical value of the prefix kilo
10[3], 1000
