ambridge International Primary and Lower Secondary Curriculum Frameworks From finding out how the respiratory system works, to identifying reactants and products in chemical reactions, Cambridge Primary Science gets your learners thinking like scientists! Packed with opportunities to plan experiments, make predictions and gather results, the series helps your learners think and work scientifically. Each unit ends with a project, like designing a product using recycled waste plastic, that helps learners bring together what they have learnt and understand how the topics relate to the real world. With vocabulary boxes, clear diagrams and supporting illustrations, the course makes science accessible for learners with English as a second language.