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Understanding Science is a series of books designed to reinforce skills and knowledge at Key Stage 2 of the National Curriculum. Each book focuses on a particular science topic with explanations and teaching points, exercises, answers section and glossary of terms. Changing Materials from one state to another sounds like magic. In fact it is governed by definite rules. So you can predict what will happen during processes like evaporation, condensation, filtering, dissolving or burning. Not sure what these words mean? This book tells you all you need to know about these processes and the changes that happen as a result. The Changing Materials book includes: melting and solidifying, evaporation and condensation, the water cycle, changing state and separating mixtures.