Looking at Solids, Liquids, and Gases: How Does Matter Change? (Looking at Science: How Things Change)

Readers can begin an exploration of matter with LOOKING AT SOLIDS, LIQUIDS, AND GASES: HOW DOES MATTER CHANGE? Author Jackie Gaff uses easy-to-understand language to explain the different states of matter and how factors such as temperature and pressure can change solids to liquids to gases and back again. Explains freezing, melting, evaporation, and condensation.