Aim higher with BBC Bitesize revision BBC Bitesize revision resources help you to break your revision up into manageable "bite-sized" chunks, aiding planning and time management. They also act as a structured pathway to the BBC Bitesize website, with links on the pages to videos, learner guides, worked examples and quizzes, BBC Bitesize gives you a richer, fuller, more varied and effective revision experience. Kick-start your revision with quick quizzes. Make every minute count with timed, bite-sized chunks of exam-style practice. Find your way through tricky questions with signposted support, hints and tips. Refresh your knowledge with direct links to the BBC Bitesize website. Matched to the Edexcel GCSE (9–1) Combined Science Higher specification.