Explains the differences between solids, liquids, and gases, describes why a substance moves between these states, and discusses how these properties affect the Earth.
Contents Chapter 1 Ice to steam 4 Chapter 2 Water and the weather 8 Chapter 3 Solids, liquids, and gases at home 14 Chapter 4 Evaporation 20 Chapter 5 Extreme changes of state 24 Chapter 6 Melting rocks 28 Chapter 7 Particle theory 34 Chapter 8 Ice¿a special solid? 38 Glossary 44 Further reading and websites 46 Index 48