Why does a soild change to liquid when heat is added?

Explanation:

solid is particles packed up together like a family.

liquid is made out of particles as well but the are a little spaced out like a bunch of friends going home after a busy school day.

A solid changes state because when heat is applied it states changing state into a liquid.

like you freeze an ice cube and when it out on a summer day in a drink it starts melting AKA (A SOLID + HEAT =A LIQUID

Explanation:

Solid changes to liquid when heat is applied and the heat reaches melting point of the particular solid. It is at that point that the solid's strong intermolecular forces is weakened .

i think the correct answer from the choices listed above is option c. when the kinetic energy of particles in a liquid state decreases

explanation:

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."