Heat is added to a solid to make a liquid... this is called melting.

some additional liquid (water,ethanol,acid…) also change solid into a liquid.

There are several ways to add a bubbling liquid effect in Photoshop. The best way is to create and download an additional bubble brush.

At the bottom, there is the additional weight of the gas or liquid above the surface level.

A solution is saturated when it is no longer possible to dissolve an additional quantity of solute, at constant temperature.

The solid culture shows shape, form and color.