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bisscience week 5

Physical Changes

QuestionAnswer
physical properties The characteristics of an object or substance that can be observed or measured.
physical changes changes to one or more ofsubstance's physical properties that does not result in the the formation of a new substance.
melting the way a solid changes to a liquid
freezing the way a liquid changes to a solid
boiling the way a liquid changes to a gas
evaporation the way a non boiling liquid changes to a gas
condensation the way a gas changes to a liquid
freezing point the temperature at which a liquid freezes and changes to a soild
melting point the temperature at which a solid melts and changes to a liquid
boiling point the temperature at which a liquid boils and changes to a gas
mixture a combination of two or more substances taht have not combined chemically and that can be separated by physical means
solution a special type of mixture in which one substance is dissolved in another. The molecules of the two substances mix.
Solubility The ability to dissolve
alloy solutions of two or more solids
distillation the process of separing liquids by using evaporation and condensation.
Created by: jlhowe
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