Question

why is heat energy needed to melt a solid ?​

Answer 1

Answer:

Explanation:Heat energy is needed to convert solid into a liquid because heat energy increases the kinetic energy of the particles. ... So it chenge into a liquid state. The heat energy that it used to change 1 kg of solid into liquid at atmospheric pressure and at its melting point is called the latent heat of fusion.

Answer 2

Answer:

because when we rise the temperature the solids will melt