We use machines every day. This series explores the six types of simple machines that people have used throughout history. Stunning photos, clear text, and simple activities bring the topic to life. Simple machines called pulleys make our work easier. Find out about the different parts of a pulley and how we use pulleys in our everyday life.
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Formato PDF ● Pagine 24 ● ISBN 9781781214169 ● Casa editrice Brown Bear Books ● Pubblicato 2016 ● Scaricabile 3 volte ● Moneta EUR ● ID 5992251 ● Protezione dalla copia Adobe DRM
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