Simple Machines Wheels Levers and Pulleys by David A Adler & Illustrated by Anna Raff

CN¥69.00
+ CN¥65.49 送货

Simple Machines Wheels Levers and Pulleys by David A Adler & Illustrated by Anna Raff

  • 品牌: Unbranded
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Simple Machines Wheels Levers and Pulleys by David A Adler & Illustrated by Anna Raff

  • 品牌: Unbranded
价格： CN¥69.00
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CN¥69.00
+ CN¥65.49 送货

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描述

How many simple machines do you use every day Probably more than you realize Machines make work easier helping break things apart lift heavy objects and change the power and direction of force applied to them. In this accessible picture book celebrated nonfiction author David A. Adler outlines different types of simple machineswedges wheels levers pulleys and moreand gives common examples of how we use them every day. Anna Raffs bright illustrations show how simple machines workand add a
  • 品牌: Unbranded
  • 类别: 杂志
  • 语言: English
  • 作者: David A Adler & Illustrated by Anna Raff
  • 出版日期: 2016-01-30
  • 页数: 32
  • 出版社／标签: HOLIDAY HOUSE INC
  • 格式: Paperback
  • Fruugo ID: 59016401-119638203
  • ISBN: 9780823435722

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