Question

when we take a block of butter out of the fridge, it is quite hard. however after 15 minutes it is soft enough to speard?

Answer 1

The heat from the room gives energy to the particles of the butter,they move faster with increasing heat and at some point in time,the particles begin to slip and slide over and around each other and the butter becomes soft enough to spread.

Answer 2

it's a melt cause heat in atmosphere