Physics - Usborne Introductions Author:Amanda Kent, Alan Ward Physics is to do with all the things around you and the energy they have. It is about why things get hot, what light is, how things move and make sounds, and so on. The main areas of physics are light, heat, sound, mechanics, electricity and magnetism, and this book has sections on each of these. There are experiments to help you understand some... more » of the important ideas in physics. At the back of the book are pages of physics words, where you can find definitions of some of the words you will meet in the book and the proper wording of some of the laws, such as Newton's Laws. There are also answers to most of the questions and puzzles.« less