Levers 在線電子書 圖書標籤:
發表於2024-11-25
Levers 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 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.
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Levers 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024