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Poleas Michael Dahl

Poleas

Michael Dahl

Published
ISBN : 9780516213835
Hardcover
24 pages
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 About the Book 

A series of books that introduces simple machines and how they work. Full-colour photographs illustrate how we use these machines in our everyday lives. Each spread comprises a descriptive photograph plus clear, easy-to-understand text to interestMoreA series of books that introduces simple machines and how they work. Full-colour photographs illustrate how we use these machines in our everyday lives. Each spread comprises a descriptive photograph plus clear, easy-to-understand text to interest the young reader in basic physics. New words are set in bold and appear with short explanations in a comprehensive glossary. Each book contains a how to make activity page, a list of books for further reading and an index. PULLEYS explains how loads can be minimised by pulley systems, and shows, via photographs, how they work.