(this may not be ! ) why does an ice cube melt when held in someone's hand?

Because the heat from your hand is leaving your hand and going into the ice cube which makes it melt and since th heat is leaving your hand your hand feels cold.

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this