Mark Edwards has been a Head of Science for 8 years and has been a KS3-5 Physics teacher for over 30 years including teaching IGCSE Physics for over 10 years. During this time he has worked with the Institute of Physics and STEM Learning to offer training to non-specialist Physics teachers across the UK. He has written for many publishers across their KS3-5 Physics ranges including textbooks, revision guides, workbooks and practice examination papers.