o using a catalyst to speed up a chemical reaction, Cambridge Lower Secondary Science gets you thinking like a scientist! Packed with opportunities to plan experiments, make predictions and gather results, the series helps you think and work scientifically. Each unit ends with a project, like using sand to investigate impact craters, to help you bring together what you have learnt and show 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.