The only science encyclopedia for children you'll ever need, with amazing photography that shows and explains how chemistry, physics, and biology work. Watch as mixtures merge and matter changes state. Discover how some chemical changes can be reversed, yet others can't, and why some reactions go bang! Whether it's elements, evolution, or energy, the world of science is brought to life by stunning photographic explanations that answer the biggest and smallest questions about our Universe. Packed full of astounding close-up images, Explanatorium of Science is the ultimate guide to how the world works, explaining every aspect of science from gigantic galaxies to tiny cells and miniscule atoms.