Everyday Science & Technology is a new series for the Competency Based Curriculum. It is specially written to provide practical experiences that equip learners with knowledge and skills that will enable learners develop a positive attitude towards mathematics as a learning area and also appreciate its importance in their every day life. Books in this series provide a range of activities that learners will find exciting and motivating. The activities are aimed at enabling learners to acquire the core competencies and values as well as embrace the pertinent and contemporary issues (PCIs).