Changes

: When [[human]]s [[sweat]] the [[water]] [[evaporation|evaporates]] from the [[skin]] helping them cool down. This works because [[evaporation]] is an [[endothermic]] process so the [[sweat]] takes [[energy]] away from the [[skin]] when it [[evaporation|evaporates]].

===Meaning===

A '''state change''' is a [[Physical Change|physical change]] in which a [[material]] changes from one [[State of Matter|state of matter]] to another.