This second edition has been comprehensively updated to reflect the changes made by the SQA to the National 5 Course Specification, with chapters on the following areas of physics: Electricity, Properties of matter, Waves, Radiation, Dynamics, and Space. It covers the new specification with all the new topics in the SQA examinations, provides thorough exam preparation with practice exercises, and is organised to make it easy to plan, manage, and monitor student progress.