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Switches are marvelous things - they control the most useful and convenient form of energy in our modern world, electricity. By powering machines and devices it turns night into day, stillness into motion, silence into sound and cold into hot - or the other way around. Yet electricity itself is invisible, so we study the science of it by its effects.
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The author, Steve Parker, has written over 100 books, mostly for younger readers, on science, technology, machines and human biology. He regularly gives talks and workshops in schools and libraries.Review:
'filled with useful information..supported by a range of excellent photographs and diagrams, a comprehensive account. Useful as support for existing projects ...could also be used to start students off on new topics.' -- School Librarian, v.49, no.1, Spring 2001 'Develop the children's understanding of magnetism and electromagnetism with this accessible book for upper juniors. The appealing publication introduces Y6 pupils to otherwise complex scientific concepts in an accessible manner. Fact files, history files, test files and future files help to divide the pages into digestible portions and striking photography and illustrations are used throughout.' --Junior focus, June 2002
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Book Description Brand: Heinemann-Raintree, 2005. Condition: BRAND NEW. Seller Inventory # 1403472831_abe_bn
Book Description Condition: New. New. Seller Inventory # M-1403472831