Essential Physical Science: Solids, Liquids, and Gases (Paperback)

"Find out how nearly all matter exists as one of three main states: solid, liquid, or gas. What is the difference between them, and how can materials change from one state to another? ... Includes three simple activities or experiments to try."--Page 4 of cover. All materials can exist in different states, but what are the differences, and how do materials change from one state to another? This book explores solids, liquids, and gases, looking at their properties and the processes involved in changing state.