Discover how some chemical changes can be reversed, yet others can't, and why some reactions produce a bang!This science book for kids aged 9-12 answers the biggest and smallest questions about our Universe, whether it's elements, evolution or energy.

Exploratorium of Science brings science to life with striking photographic explanations, helping kids to understand just how the world works. This fact-filled science compendium for children offers:

- An extensive chemistry, physics, and biology guide

- explaining more than 100 scientific principles, including matter, reactions, materials, forces, energy, life, and Earth.

- Supports the science curriculum in schools up to Key Stage 3.

- Detailed, close-up photography, plus incredible macro images, cross-sections, exploded views, time-lapse, x-ray, and ultra-violet photography.

This impressive visual guide explains every aspect of science from gigantic galaxies to tiny cells and miniscule atoms. Kids will love to see bacteria at work in the world around us, and even inside the human digestive system.

Then they find out about the tricks that light plays and unlock the secrets of electricity to find out how it powers your home. This book is a must-have for budding scientists who are curious about the Universe and how biology, chemistry and physics works.