题名:
Wedges
/ Erika S. Manley ,
ISBN:
978-1624968600 价格： 25.65
载体形态:
24 7.75 x 7.75
出版发行:
出版地： 出版社：
Jump!, Inc.
出版日期：
主题词:
In this book, readers will learn about one of the six simple machines as described by Renaissance scientists. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn how wedges increase force to either separate objects or hold things together.An activity provides step-by-step instructions for a specific, larger project, and a picture glossary reinforces new vocabulary. Children can learn more about wedges online using our safe search engine that provides relevant, age-appropriate websites. Wedges also features reading tips for teachers and parents, a table of contents, and an index.Wedges is part of Jump!’s Machines and Motion series.