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5th - Chapter 10 A

Book definitions of vocabulary from chapter 10, lessons one and two

physical change alters the form of a substance without changing what type of matter it is.
sublimation the change in state directly from solid to gas
melting point the temperature at which a substance melts
boiling point the temperature at which a substance boils
freezing point the temperature at which something freezes
thermal expansion the increase in an object's volume due to a change in heat
thermal contraction the decrease in an objects volume due to a change in heat
mixture a physical combination of substances
colloid a mixture like a suspension, except its contents do not settle
solution a mixture with parts that blend so that it looks the same everywhere, even under a microscope
solute the smaller amount that is dissolved in a solution
solvent the larger amount that dissolves the other substance in a solution
alloy a solution of metal and another solid
solubility the maximum amount of a solute that can dissolve in a solvent
distillation the process of separating liquids by evaporation and condensation
Created by: jewen