This book comprehensively and systematically covers the requirements of the current Tanzania Primary School syllabus for Science and Technology for Standard 5. The language used is in the book is simple and straightforward to ensure that pupils can easily understand concepts. In addition to its beautiful layout and richness in illustrations, the book contains many science activities which will help to build basic inquisitive and investigative skills in pupils. These activities also help pupils to see how science can explain everyday activities and phenomena. This book is written according to the competence-based approach used in similar books for lower classes (Science and Technology with Activities Book 3 and 4). Together, these books teach and equip pupils with fundamental skills and knowledge in Science and Technology.