Издательство: | Cambridge University Press |
Дата выхода: | июль 2011 |
ISBN: | 978-0-521-13721-8 |
Объём: | 16 страниц |
A series of twenty non-fiction science readers which engages children in the world around them. What is magnetism? What is a magnetic field? What are a magnet`s poles? You can find the answers to these and other questions about magnets in Why Do Magnets Attract?