Screws pdf epub mobi txt 电子书下载 2024

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Walker, Sally M./ Feldmann, Roseann/ King, Andy (PHT)/ King, Andy (ILT)

Lerner Pub Group

2001-9

$ 30.06

LIB

9780822522225

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发表于2024-11-14

Screws epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

Screws pdf epub mobi txt 电子书下载 2024

图书描述

Focusing on the six simple machines--levers, wheels and axles, pulleys, screws, inclined planes, and wedges--this fun and informative series introduces young readers to several basic concepts of physics--such as work, force, gravity, and friction. Includes easy-to-do experiments, colorful photographs, clear text, and fun activities. Supports the national science education standards Unifying Concepts and Processes: Evidence, Models, and Explanation; Unifying Concepts and Processes: Form and Function; Science as Inquiry; Physical Science; and Science and Technology as outlined by the National Academics of Science and endorsed by the National Science Teachers Association.

Screws 下载 mobi epub pdf txt 电子书