Magnets

ISBN: 9781410915559

出版社: Heinemann/Raintree

页数: 32

定价: $ 33.89

装帧: SAL

内容简介

Why does a compass always point north? How do migrating birds find their way home? Why is Earth like a giant magnet? Take a closer look at the science we use every day! From the moment we get up in the morning and all through the day and night, find out ab