Dr Andrew Chandler-Grevatt has a PhD in school assessment, and a real passion forscience teaching and learning. Having worked as a science teacher for ten years, of which five were spent as an AST, Andy has a real understanding of the pressures and joys of teaching in the classroom. Alongside his national and international research in school assessment, Andy is a teaching fellow on the PGCE course at the University of Sussex, and is a successful published assessment author. Nicky Thomas is an experienced teacher of Physics and Science, as well as Institute of Physics Network Coordinator. As part of her work with the IoP, Nicky provides training and support for physics teachers, and mentors early career physics teachers. Nicky has a Physics degree from the University of Oxford, and is an experienced author, writing teacher and student materials across all secondary key stages.