Machines

Machines pdf epub mobi txt 電子書 下載2025

出版者:John Wiley & Sons Inc
作者:VanCleave, Janice
出品人:
頁數:94
译者:
出版時間:1993-3
價格:$ 12.37
裝幀:Pap
isbn號碼:9780471571087
叢書系列:
圖書標籤:
  •  
想要找書就要到 小美書屋
立刻按 ctrl+D收藏本頁
你會得到大驚喜!!

What is a first-class lever and the advantage in using one? How does a windmill work? Are human beings machines? Children will learn the answers to these questions and more by conducting safe experiments using materials found in the home. A fun-filled and educational way to explore science including ideas for further experimentation and hints on turning experiments into science fair projects. Illustrated.

具體描述

讀後感

評分

評分

評分

評分

評分

用戶評價

评分

评分

评分

评分

评分

本站所有內容均為互聯網搜索引擎提供的公開搜索信息,本站不存儲任何數據與內容,任何內容與數據均與本站無關,如有需要請聯繫相關搜索引擎包括但不限於百度google,bing,sogou

© 2025 book.quotespace.org All Rights Reserved. 小美書屋 版权所有