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 ramps make our work easier. Find out about the different types of ramps and how we use ramps in our everyday life.
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Format PDF ● Strony 24 ● ISBN 9781781214176 ● Wydawca Brown Bear Books ● Opublikowany 2016 ● Do pobrania 3 czasy ● Waluta EUR ● ID 5992252 ● Ochrona przed kopiowaniem Adobe DRM
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