Changes in State

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   Boiling      Condensation      freezing      gas      liquid      mass      solid   

Matter is anything which occupies space and has .
The melting point of a substance is the temperature at which a solid changes into a .
Melting point and point occur at the same temperature.
point is the temperature at which a liquid changes into a .
is the changing of a gas into a liquid.
The changing of a liquid into a is known as freezing.