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.
书籍详情
格式
平装书
页数
48 页
语言
西班牙语
已发布
Jan 1, 2009
出版商
ediciones Lerner
ISBN-10
0822529815
ISBN-13
9780822529811