It is about changes in states of matter.
Melting
Freezing
Boiling
Freezing
Boiling
Condensation
Evaporation
Boiling
Condensation
Condensation
Boiling
Freezing
Vaporization
Evaporization
Condensation
Sublimation
Freezing
Solidification
Boiling
Vaporization
Condensation
Condensation
Melting
Liquefaction
Sublimation
Freezing
Condensation
Endothermic
Sublimation
Exothermic
Exothermic
Endothermic
Sublimation
Melting
Condensation
Boiling
Solidification
Sublimation
Boiling
Freezing
Boiling
Vaporization
Boiling
Solidification
Freezing
Liquefaction
Condensation
Boililng
Sublimation
Freezing
Boiling
Freezing
Vaporization
Sublimation
Melting
Boiling
Freezing
Freezing
Evaporation
Sublimation
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