Wheels and levers : grade 4, topic B
题名:
Wheels and levers : grade 4, topic B
摘要:
Students apply simple techniques & tools to building vehicles and devices that move. In constructing these ojects, students apply previous learnings about structures and explore new applications with wheels, rollers, gears, pulleys and a variety of levers and connectors.
出版日期范围:
1996
SERIES_EPSB:
物理描述:
1 volume (various pagings) : illustrations ; 28 cm.
程序信息:
Grade 4 Science
出版信息:
Edmonton, AB : Edmonton Public Schools, c1996.
