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Changes of State

TermDefinition
Change of State process by which matter changes from one state to another
Thermal Energy the total kinetic energy of all the particles in a substance
Melting point temperature at which melting begins
Evaporation change of state from a liquid to a gas
Water vapor water in a gas state
Boiling adding thermal energy to liquid water particles causing them to speed up enough, the particles change to the gas state, forming bubbles
Boiling point temerature at which the substance begins to boil ( 100° C at sea level)
Condensation process of a gas changing state to a liquid
Freeze process in which a liquid changes to a solid
Freezing Point temperature at which water freezes (same as its melting point)
Pressure force created by the colisions of these particles with other materials
Physical Change a type of change in which the form of matter is altered but one substance is not transformed into another. Examples: Crumpling a sheet or paper, breaking a pane of glass, or freezing water into ice are all physical changes.
Chemical Change
Created by: ddegarmo
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