This document provides assessment guidelines for levels 5 and 6 of the APP Primary Science assessment framework in the UK. It outlines 5 assessment focuses (AF): thinking scientifically, understanding applications and implications, communicating and collaborating, using investigative approaches, and working critically with evidence. For each level and focus, it lists several abilities pupils should demonstrate across contexts and practical situations, such as using abstract ideas to explain phenomena, recognizing ethical issues with developments, and drawing valid conclusions using evidence.