Pulleys 在线电子书 图书标签:
发表于2024-11-10
Pulleys 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
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.
评分
评分
评分
评分
Pulleys 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024