With today's emphasis on fast-moving technology, as well as increasing pressure to meet the testing standards of science and math in the classroom, the need to grasp key scientific principles has never been greater. The Kingfisher Science Encyclopedia is the one reference that includes all of the information students need to know in today's fast-paced world. Clearly written and illustrated articles provide in-depth insight and concise authoritative information. An impressive reference section at the end of the book contains minibiographies of famous scientists, plus an illustrated time line of key inventions and discoveries. Arranged thematically into ten chapters, with reference summaries at the end of each chapter and a full index, the encyclopedia does more than merely provide facts about science and technology - ;it helps the reader think for him or herself, develop an enquiring mind, pose challenging questions, and explore new topics.