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Attract and Repel
Jennifer Boothroyd
其他書名
A Look at Magnets
出版LernerClassroom, 2010-08
主題Juvenile Nonfiction / Science & Nature / Physics
ISBN076136059X9780761360599
URLhttp://books.google.com.hk/books?id=A9ISOCTsrzsC&hl=&source=gbs_api
EBookSAMPLE
註釋A colorful magnet holds a drawing to a fridge. Paperclips stick to a magnet. Magnetic forces are at work all around you. But what exactly is a magnet? And how do magnets work?