This encyclopedia will open your eyes to the extraordinary world around us!With over 40 practical experiments to try, it brings science to life. The experiments are easy to do, requiring no special equipment, but they explain key scientific principles. Eye-catching photographs throughout the book show how these principles work on a larger scale - and introduce some fascinating facts. This book is perfect for children aged 8+.ABOUT THE SERIES: The Arcturus Childrens Reference Library uses stunning photography, fabulous facts and useful diagrams to introduce a variety of subjects - from the animal kingdom to space. Great to dip into, these reference guides are a staple for any childs bookshelf.