Question

Why dose a solid change to a liquid when heat is added

Answer 1

Answer: molecules heat up under different ranges of heat causing bonds to break down but depends on the solid. There are different melting points.

Step-by-step explanation:

Answer 2

when a solid is heated they get heat energy and the particle starts vibrating .. at a certain temperature particle start vibrating so much that their structure breakdowns and then the solid is converted into liquid form this is known as melting