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Phase changes

QuestionAnswer
Altitude Vertical distance, or elevation, above sea level
Boil Change from a liquid to a gas
Boiling point The temperature at which boiling occurs
Freeze Change from a liquid to a solid
Freezing point The temperature at high freezing occurs
Gas A phase in which matter has definite volume but no definite shape
Water vapor Water in the gas phase
Liquid A phase in which matter has definite volume but no definite shape
Liquid properties Will take the shape of a container but cannot expand or to be compressed; molecules in a liquid move randomly but stay close to one another.
Melt Change from a solid to a liquid
Melting point The temperature at which melting occurs
Phase State of matter with certain number of physical properties
solid a phase in which mater has a definite shape and volume.
solid properties will retain the same shape and volume in any container; atoms are held in a rigid structure and cannot move freely
ice water in the solid phase
thermal energy energy in the form of heat
vaporization rapid change from liquid to gas
condestenation change from gas to liquid
sublimitation change from solid to gas
evaporation slow change from gas to liquid
desposition change from gas to solid
gas properties will expand to fill any container; can be compressed; move freely and far apart
Popular Physical Science sets

 

 



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