The updated syllabus is for examination from June 2023 onwards. What are the main changes to the assessment? reviewed the balance and progression between core and supplement.included a new section on the language of measurement.removed and added topics including the new addition of space physics, making sure that the teaching time is still within the guided learning hours.updated the topic structure to make sure topics and sub-topics are clearly linked.The wording looks different in many places, but the teaching content remains largely the same updated the learning objectives to demonstrate the depth you should teach each topic.