Is this the right book for me? Understand Physics gives you a solid understanding of the key skills and ideas that run through the subject. You will explore the important concepts of force and motion, electricity, light, molecules, matter and space and discover the frontiers of physics. With numerous questions, answers and worked examples throughout, you will feel confident in approaching the science and applying your knowledge. Learn effortlessly with a new easy-to-read page design and interactive features: Not got much time? One, five and ten-minute introductions to key principles to get you started. Author insights Lots of instant help with common problems and quick tips for success, based on the author's many years of experience. Test yourself Tests in the book and online to keep track of your progress. Extend your knowledge Extra online articles to give you a richer understanding of physics. Five things to remember Quick refreshers to help you remember the key facts. Try this Innovative exercises illustrate what you've learnt and how to use it.