Written for classroom teachers & those in training this book has been designed to support & extend teachers & students own knowledge & understanding of science & should be of particular use to non-specialists. Throughout the book every effort has been made to interpret the ideas & concepts of science in user-friendly language using everyday activities as illustrations. The book is divided into three sections: life & living processes materials & their properties physical processes. Key ideas are suggested for each section & then expanded to include important related science concepts. The book provides comprehensive knowledge for science at Key Stages 1 & 2 & sets the scene for teaching & learning at Key Stage 3.