Viscosity is another type of bulk property defined as a liquid's resistance to flow. When the intermolecular forces of attraction are strong within a liquid, there is a larger viscosity. An example of this phenomenon is imagining a race between two liquids down a windshield.
I think it’s the Full Moon
I think it is high pressure / gravity and high temperatures
If it's volume changes when you move it to the new container it would be a solid