Your question about which will cool fastest is not adequately defined to provide a definitive answer. Lets further detail the question as follows: The solid, liquid and gas is water. read more
The solid, liquid and gas is water. The temperature difference between a box of the item, and the outside, is constant and the outside is Air at X C cooler than internal temp of box. And test is on earth in 1G. Larger boxes (bigger internal volume), lower conduction has bigger impact. read more
The Changing States of Solids, Liquids, and Gases When a substance goes from one state of matter — solid, liquid, or gas — to another state of matter, the process is a change of state. Some rather interesting things occur during this process. read more