Similarity : inverse square law for strength of force compared with distance.
I think iron? i’m not 100% sure
As a liquid is cooled its molecules lose kinetic energy and their motion slows. When they've slowed to where intermolecular attractive forces exceed the collisional forces from random motion, then a phase transition from liquid to solid state takes place and the material freezes
Hope it helps u
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Using a basking spot so some sort of heated object, for example heating lamp or heating pad.