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Magnets

Rebecca Olien

出版	Capstone, 2003-09
主題	Juvenile Nonfiction / Science & Nature / GeneralJuvenile Nonfiction / Science & Nature / Physics
ISBN	07368342819780736834285
URL	http://books.google.com.hk/books?id=JZUEtgEsBg0C&hl=&source=gbs_api
EBook	SAMPLE

註釋

How does sound measure the ocean? Why do magnets work? Easy explanations of how and why things work, colorful photos, and simple diagrams help readers learn and understand basic physics in our world.