What is changing a solid to a liquid?

Answer 1

Freezing

Answer 2

well the tiny atomshave to move closer together to make a solid.

the tiny atom only move in a very tiny cicle movement

There are matter/elements that changes to solid from liquid. Water for example when reaches its freezing point turns to solid. This change is affected by pressure and temperature-both are unique to itself and is affected by each.- if the pressure chages definitely temperature changes and if the temperature changes definitely pressure changes . The "change to liquid to solid" is the process on which the matter changes its physical form from soft to hard. Dropping a gallon of water to your head is different from dropping a galon of ice. Which do you prefer? ;D (in laymans term)

Answer 3

melting as in heating a solid that would become a liquid.

Answer 4

This process is called melting . If you leave an ice cube under the sun , it will get watery and melt . So , when solid turns to liquid , that object is gaining heat .