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Wheels and Cogs Mandy Suhr, Mike Gordon

Wayland (Publishers) Ltd
Paperback 32 pages

ISBN:
9780750259538
Size:
8 x 185 x 209mm
Published:
13th Aug 2009
User Rating:
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Series:
Simple Technology
Interest age: from c 5 years
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  • RRP: £5.99
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Overview

Who designed the first wheel? Why do wheels need tyres? Full simple experiments help you find the answers to these questions.

Contents

Wheels and shape Life before wheels The first wheels Better wheels Modern wheels Tyres Different wheels Cogs and teeth Machines and cogs Cogs and energy Glossary Notes for adults Suggestions for further activities Other books to read Index

Author

Mandy Suhr is a qualified primary school teacher and experienced children's writer and publisher.

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