The transformation from solid to gas is called sublimation.
The transformation of a liquid to a solid is called freezing.
figure it out figure it out
That transformation is called melting, when done by heat, or dissolving, when done by a solvent.
A change in phase or state
That would be - an insulator.
Being George Bush!
transformation ? or perhaps, metanoia (change of heart)
you call them problems because you need to figure it out and it could come in your life and you have to figure it out