lunes, 25 de abril de 2011

Temperature Heat,and Matter

Temperature Heat,and Matter

Thermal expansion: the expansion of matter when its temperature is raised.

Pressure: the force on each unit of area of a surface.


Melting:the change of a solid into a liquid.


Vaporization: the change of a liquid to a gas as molecules break free from each other.

Condensation: the change of a gas into a liquid as molecules attract each other.

Freezing: the change of a liquid into a solid.

Boiling: the formation of bubbles of vapor that scape from a liquid that is being heated.

Evaporation: the vaporization of molecules from the surface of a liquid.





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