Fully updated and featuring a brand-new look, this second edition of National Geographic's bestselling Science Encyclopedia explains everything you need to know about our world and beyond, from atoms to zero gravity! How does a rocket launch into space? Did dinosaurs really all go extinct? And what makes a firework work? These are just a few of the questions answered in the second edition of the National Geographic Science Encyclopedia, a fact-filled reference for all things science. Reviewed by experts in the field to include the most accurate and up-to-date information, this comprehensive encyclopedia covers all essentials, such as matter, forces and machines, energy, electronics, life on Earth, the human body, and more. Inside, you'll also find: Fascinating fun facts about earthquakes, electricity, elements, and everything else you want to know about science The latest info on cutting-edge technologies like CRISPR and ChatGPT "Try This!" sidebars with DIY experiments and "Open Questions" features that bring learning to life More than 1,000 vibrant color photographs that showcase everything from outer space to the cells that make up our bodies Profiles of pioneering scientists and their groundbreaking discoveries Keep up with the changes happening all around us with this stellar science reference book. Complete your National Geographic Kids Encyclopedia collection with these popular titles: National Geographic Kids Encyclopedia of American Indian History and Culture National Geographic Kids United States Encyclopedia National Geographic Kids Space Encyclopedia, 2nd Edition National Geographic Kids Animal Encyclopedia, 2nd Edition