We at normal body temperture and normal room temperture touch a block of ice and we feel it is cold. Not just our hands but our whole body as well. Why? Is it because we are use to transferring a certain amount of heat to the surrounding and if we touch a block of ice, we transfer much more heat than usual and so our body temperture decrease hence we feel colder. Does a decrease in temperture directly cause the feeling of 'coldness'? Is this the best explanation for novices?