Download or read book Magnets written by Rachel Lynette and published by Heinemann-Raintree Library. This book was released on 2008 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Why are cows given magnets to swallow? How does a compass work? Where can you see the aurora borealis? The 'Do It Yourself' series offers an exciting new approach to understanding and investigation. Each book helps you to conduct your own experiments and activities, and to learn more about the world around us.