Takes an active approach to finding out about the properties and uses of glass. This book, which is one of a series encourages children to ask questions about what different materials are like, formulate ideas about how a material might behave, for example when water is dropped onto it and test out these ideas. Colour photographs show children experimenting with materials and speech bubbles convey their interaction with each other. The content backs up the scheme of work for science at Key Stage 1. A double page spread of notes for parents and teachers includes information about the scientific principles covered as well as suggestions for further activities.