it is simply melting process.
Liquid.
you pee on it
gas
The mantle is mostly solid, but it can flow slowly over long periods of time, behaving like a very viscous liquid. This movement is what drives plate tectonics on Earth.
A solid.
A solute
Freezing
solidification
The process in which a liquid is turned to a solid is called "freezing".
melting
Soild
Toothpaste is a liquid.
Liquid.
WATER! If you put water in a cup and leave it in the freezer it will turn to an ice cube then if you leave it somewhere warm and cosy it will turn back to a liquid again. Try it for yourself even.
a solid, It does not exhibit the properties of a liquid at rest. A substance that acts like a liquid and a solid is called a non-newtonian fluid
By melting
What is a soild